下列草图用旋转特征工具不能生成实体的是（）。1、
举一反三
- A点的图形1变换到B点的图形2，以下关于图形变换矩阵的叙述正确的是。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/9b2cbd1c43e54eb38f7f0a967d08ef97.png 矩阵1：<img width="120" height="60" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/08cbc950646e4b1d85081e01cff11c27.png" border="0" vspace="0 矩阵2：<img width="90" height="55" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0d034a8326794296b16db9fff0274038.png" border="0" vspace="0
- 下列化合物有旋光性的是( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/42754375451947b4a2097a204914e285.png" border="0" vspace="0" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/259cc0f9369441888e4306c19039152f.png" border="0" vspace="0" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/c6798f5eb7e14df7a79f40cdd7d2f42e.png" border="0" vspace="0" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/4275928f484d4bad94705297fe159cf0.png" border="0" vspace="0" />
- 已知物体的主、俯视图，左视图正确的是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/3930fea847ba4492944ddb365a59ad61.png" border="0" vspace="0" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/8c60c5d1b6634256b2ef9a91dac8488e.png" border="0" vspace="0" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/c0b01d9bd70846c0a833771f3e1329f0.png" border="0" vspace="0" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f4f8a566f2de4d289c53bb491395d1fe.png" border="0" vspace="0" />
- 由角系数性质，任意两表面间的角系数有下列关系（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8fe9f71498f04232b7d9626ea192f5d5.png" border="0" vspace="0" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d2b63ba506614bfab0e0d91b5a62b9bd.png" border="0" vspace="0" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f88fb5553ef147e996473ea8d738144e.png" border="0" vspace="0" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3bb42a34fc7943abb899e6ad38246778.png" border="0" vspace="0" />
- 将某二维图形整体放大2倍，其变换矩阵可写为：<p style="text-align: left;<img width="70" height="60" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/b188ae02b37b4bd8bd2f7ac8b69f7a62.png" border="0" vspace="0