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【320722】【分层训练】五年级下册数学单元测试-第五单元 图形的运动(三)(基础卷) 人教版(

时间:2025-01-08 18:41:20 作者: 字数:7960字
简介:

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 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 五年级下册数学单元测试-第五单元 图形的运动(三)(基础卷)

(完成时间:60分钟,总分:100分)

一.选择题(满分16分,每小题2分)

1.如所示图形中,对称轴条数最多的是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> D <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

2.下面图中,绕端点旋转,怎样从图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A.先顺时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,再向右平移10

B.先逆时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,再向右平移10

C.先顺时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,再向右平移8

D.先逆时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,再向右平移8

3.将图案绕 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 点逆时针旋转90度,得到的图案是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

4.将下图按顺时针的方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,得到的图案是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

5.如图是由 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 经过 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 变换得到了 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A.旋转 B.平移 C.对称

6.如图所示,把一个正方形三次对折后沿虚线剪下,则所得图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

7.下面图形中,对称轴条数最多的是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> D <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

8.下面图形中有2条对称轴的是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A.正方形 B.长方形 C.等腰三角形

二.填空题(满分16分,每小题2分)

9.正方形有   条对称轴,长方形有   条对称轴,圆形有   条对称轴。

10.指针从指向 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 旋转到指向 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,可以按   时针方向旋转    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

也可以按   时针方向旋转    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

11.如图有   条对称轴.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

12.你所认识的常见平面图形中,有无数条对称轴的图形是   

13.钟面上分针从6绕中心点旋转到12点,顺时针要旋转   度,逆时针要旋转   度.

14.图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 看作图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    点顺时针旋转   度,再向   平移   格,再向下平移   格得到的.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

15.简单的图案设计步骤分为       

16.如图所示,把图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>    平移   格可以得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ;图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点0   时针方向旋转   得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

三.判断题(满分8分,每小题2分)

17.三角形最多有三条对称轴.   

18.如图,将等边三角形图形绕着点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 后与原来图形重合.   

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

19.钟表的指针从12 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 逆时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 3   

20.图中是由 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 经过旋转得到的.   

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

四.操作题(满分36分)

21.(6分)画出小旗先向右平移6格,再向上平移4格后的图形。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

22.(6分)将图 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针旋转90度,得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,再将图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 向右平移4格,得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 。(标出图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

23.(12分)(1)画出平行四边形绕顶点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 后的图形.

2)以直线 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 为对称轴,画出图的轴对称图形

3)画出图形先向上平移3格,再向左平移6格后的图形

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

24.(12分)按照下面的要求设计一个班徽,并画在方格里.

1)给班徽起一个名字.

2)需要体现一个主题.

3)可以全部或者部分是轴对称图形.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

五.解答题(满分24分)

25.(6分)下面是用四个小正方形组成的“ <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ”图形,我们只要在图中添画一个小正方形就能使它成为一个轴对称图形,如范例所示,请你在框中再画出与范例不同的两种添加方法.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

26.(6分)淘气将下图 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 变成图 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,请你说说他的变化过程.

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

27.(12分)你知道方格纸上图形的位置关系吗?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

1)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 可以看作图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点  顺时针方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 得到的.

2)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 可以看作图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针方向旋转  得到的.

3)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 到图形  所在位置.

4)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 可以看作图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针方向旋转  得到的.



参考答案

一.选择题(满分16分,每小题2分)

1解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 项有3条对称轴;

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 项有4条对称轴;

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 项有无数条对称轴;

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 项有1条对称轴。

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

2解:通过旋转、平移得到,

以旗杆的下端点为中心,先把图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 逆时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,再向右平移10个格得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

3解:根据题干分析可得,绕 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 点逆时针旋转90度旋转后的图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

4解:如图,

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

按顺时针的方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,得到的图案是:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

5解:采用平移的方法,平移5次,复制下图案,即可得到左图.

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

6解:经过实践,两次折叠后沿虚线剪开,图形展开,即可得解,图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的图形;

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

7解:对称轴条数最多的是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

8解:正方形有4条对称轴;

长方形有2条对称轴;

等腰三角形有1条对称轴;

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

二.填空题(满分16分,每小题2分)

9解:根据对称轴的意义可知,正方形有4条对称轴,长方形有2条对称轴,圆形有无数条对称轴。

答案:42,无数。

10解:如图,

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

指针从指向 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 旋转到指向 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,可以按顺时针方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

也可以按逆时针方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答案:顺,270,逆,90

11解:画出这个图形的所有对称轴如下:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答:一共有4条对称轴.

答案:4

12解:在我们所认识的常见平面图形中,有无数条对称轴的图形是圆.

答案:圆.

13解:钟面上分针从6绕中心点旋转到12点,顺时针要旋转 180度,逆时针要旋转 180度.

答案:180180

14解:如图,

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 看作图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 0点顺时针旋转 90度,再向右平移 2格,再向下平移 1格得到的.

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 90,右,21

15解:简单的图案设计步骤分为整体构思、具体作图、对图案进行适当修饰。

答案:整体构思;具体作图;对图案进行适当修饰。

16解:如图:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

把图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 向右平移4格可以得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ;图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点0,顺时针方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 得到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答案:右,4,顺, <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

三.判断题(满分8分,每小题2分)

17解:根据轴对称图形的定义,此题应分情况分析:一般三角形不是轴对称图形,没有对称轴,等腰三角形是轴对称图形,只有1条对称轴,等边三角形是轴对称图形,有3条对称轴,所以原题说法错误.

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

18解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

该图形绕中心至少旋转120度后能和原来的图案互相重合,所以本题说法正确;

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

19解: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> (个 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

即钟表的指针从12 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 逆时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,旋转了3个数字,到数字“9”

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

20解:图中有一个大小形状不变的图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,有一个旋转点,旋转角度 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

所以图中是由 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 经过旋转得到的是正确的;

答案: <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

四.操作题(满分36分)

21解:如图:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

22解:根据题意画图如下:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

23解:(1)画出平行四边形绕顶点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 后的图形(图中红色部分)。

2)以直线 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 为对称轴,画出图的轴对称图形(图中绿色部分)。

3)画出图形先向上平移3格,再向左平移6格后的图形(图中蓝色部分)。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

24解:(1)班徽名字:我们一条心.

2)体现一个主题:团结友爱.

3)如图所示:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

五.解答题(满分24分)

25解:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

26解:将图 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针或逆时针旋转180度,得到图 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

答案:图 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针或逆时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

27解:根据观察,(1)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 可以看作是图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 得到的;

2)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 可以看做是图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 所得到的;

3)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 到图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 所在的位置;

4)图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 可以看作图形 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 绕点 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 顺时针方向旋转 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 得到的.

答案:(1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ;(2 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ;(3 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ;(4 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/4/" title="测试" class="c1" target="_blank">测试</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

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