【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/B19661C941268DA2F18DE7B87080983E.png title=4.png alt=4.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/50A7613D65079122BDD05186B1D547A2.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/17D45722468C2304E927A7863DAB9320.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/83AD93FD147A07F52F7442E977A2D5E8.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B149EB543D873852CFE1B7CF2489501F.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F85B4AC6FFDC77E75AC37228B15C5C4C.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E63EFDD38D8A922C2D63C3CBE7D338ED.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4F4E038E5E379044FFDBB50A199D4BB0.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A7395CE44F69E3E165B8B2FD0C61CCAF.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/9EBBB23187468B7B9426724DFA5F38BC.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F5D4F542D8397031121A84DBDC1DB6FE.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/48A8FC7CAC0BA5ED5F09E1281C2885DA.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/1CEA2855311D171C0BA2F1174CFBC3BF.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/31258A15223174121D71E615E88765D3.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/8468B797B67C04F9FA273FE638CA6B5A.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/B54CADE670BF7BC5D12AFE5ABD3E0618.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，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
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/1E8A240E8C1F631E82009065386C57BE.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/027300C3180166A26EAD35F0AE85E539.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/8103A3A2DA9C5898A2B0FDF5CA8894BA.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A36F2ABFD25E1D228485204109F11451.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/34586DC435F0A13039CD7653EBBB62C0.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/ED7B3988571DCEF095E67E455A81D9FE.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/3322533243ADAB58240B78A0EB9B3867.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F2B8B38A97AFF2AAA58D5B654ABC97E9.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/FAAC16322A145A406EB257B495E2238F.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/C184C43B498566791AB16657E364A9B1.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/86BA88713E99791F6245FF5DB76637B4.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C68E9B3FD3E7621C39C718D63AB3F513.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/6DF94C6405C0E9C3B4B2D41AFA7E70CF.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/39414C336FD06C9612C8912AB60671BF.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/034F12DB164BD508DF7F90EA26D901AC.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/11540691C82288125AE9D0361E4A6670.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/CC5DAB543FD35CC5C36619E6F7965343.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/C7E03B491976CE5DFB559EA7A9BFDD75.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/81E71E88F6FE989D58458A042175779D.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2C61BEE7928D76A2D9F8E7B5250E68C9.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/92937B70ECBCEACE925CAD085D6DAFD6.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D0430E27D605015C752493220B8E98E4.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/8A554B979CB6B7F140B62F660574BBE4.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5F1A24467347180989EAA9A31FDE2D6D.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F88F9E70F75F85B938ECE77D72D92CCA.png title=4-4.png alt=4-4.png/>
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