【判断题】
根据图所示切割体的正面投影和水平投影，其侧面投影的转向轮廓线为曲线。<img src=http://60.205.157.60/course/a@4A86563E6B6DA06893F711ACC27EA6B8.png title=4.png alt=4.png/>
①
正确
②
错误
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/F5326515F34582EA7FEF0E3310B920B4.png title=4.png alt=4.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/154C4F09C5A3B06F9B66CA10664B9E94.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8EE19EDB3A5F6F5D3E9A636E7C802596.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/9FCDFA547FAAE962AE075F2CD21FED28.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/7473782C9D9197B4DCBA01997F125151.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CAA54583C9BBD2A49FE9C4661F2AEE36.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/CE438FFA8937454B38C0DE9C1750383A.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4C7B7F274236552013503AD72645C174.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A75671EE2CE0AE0563FCB3CE16ABE5CC.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C38718C1834818D48061D4B34FD05914.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/96D982B8E3E7195EA7A3F24375E88F73.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/CDF7C86F62D49070BB62EB3FE15FED84.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/EDA71533D280D7ECEAEE189716E5E890.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A0DEF06340DFF0A4996119CBCD107DA0.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/27DF27F32AC440FCB5A56F8525D3CEC4.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/35F162C359A92F1097CDB26CA5B417D3.png title=4-4.png alt=4-4.png/>
【判断题】
根据图所示切割体的正面投影和水平投影，圆柱体上有通孔，通孔是方形孔。<img src=http://60.205.157.60/course/a@4A86563E6B6DA06893F711ACC27EA6B8.png title=4.png alt=4.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/265846F6D50C0338CBD1E2519B1F41D3.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/0B597BE8BDA0B795349190D9DBC4F166.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BABAC19A382691F6DEAF2E5343DB4858.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CAF3C45004979241B0FE9911908E527B.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D30017D259D1619D58BFB18400BF5522.png title=4-4.png alt=4-4.png/>
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/D7F1520B4EF6626C95379CDCD5008DB9.png" title="4.png" alt="4.png"/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/B3DF7DADBAD32A4D7A8ACD06B67EA145.png title=4.png alt=4.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/0AEE6D28A479E3CFC01F6B0A0AAA565E.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/5F1DF376BB746AC7C50DE292DF7F3F00.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2120CD63C9698A84B5E593D203078EC9.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1BA088B65ED6FA5D7A6BE25820DD3F05.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/4C2B331B0ADB11541DED913DC5535EDF.png title=4-4.png alt=4-4.png/>
%E5%85%B1%EF%BC%88%20%20%EF%BC%89%E4%B8%AA%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@897BB88B56D9897C8DCF0F7A3446181B.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png/%3E&pn=1){kind=link}
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%E5%85%B1%EF%BC%88%20%20%EF%BC%89%E4%B8%AA%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@897BB88B56D9897C8DCF0F7A3446181B.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png/%3E&pn=6){kind=link}
%E5%85%B1%EF%BC%88%20%20%EF%BC%89%E4%B8%AA%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@897BB88B56D9897C8DCF0F7A3446181B.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png/%3E&pn=7){kind=link}
%E5%85%B1%EF%BC%88%20%20%EF%BC%89%E4%B8%AA%E3%80%82%3Cimg%20src%3Dhttp://60.205.157.60/course/a@897BB88B56D9897C8DCF0F7A3446181B.png%20title%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png%20alt%3D%E5%8D%95%E9%80%89%E9%A2%98%E5%9B%BE4.png/%3E&pn=10){kind=link}