【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/FBF5BF7DE835CAAC2E23322746CFFD36.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/7CC51D5FCE8C0CC2DF07D6CB5147DF14.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FBE995F9E2FC28A279659CD9F4D24043.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1C7B8D2E5DFE745EEF6248DC4E47888A.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6291788E35C4B96DF30393C58B66BBC7.png title=2-4.png alt=2-4.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/900D649E56E9D0206EB96757ACF13EF8.png title=2.png alt=2.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/BB0733A48C56D0809351E40E9A8D7FBE.png title=2.png alt=2.png/>
【单选题】
平面P在( )面上的投影反映实形,因此称之为水平面。<img src=https://huaweicloudobs.ahjxjy.cn/52410CDCBD2E838170348A6DD9876195.png title=图片4.png alt=图片4.png style=width: 408px; height: 234px; width=408 height=234/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/3DDF7E2C546693ADAE9FA7CEEAE8BC69.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C49F76A10E5FF785124DAC0E7DAD3D02.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FDDC152605429D8C5DE7E01CBE4CD8CC.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/55F53BAEE96A0A68A387F0AF77CD799B.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/ADFCB2C6C5DD209551C2B312192E407C.png title=2-4.png alt=2-4.png/>
【多选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4DE29EFA21CB7D8D919C14C049187750.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/E85495858960DABC7D0670895F1502DC.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/5329CCB367DC78F31026DD8A280B9DB7.png title=4.png alt=4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F0279F9E99540B5C6AD90E91695A90B0.png title=3.png alt=3.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/201DB0FD15C18B3A27CC64EEA281F911.png title=5.png alt=5.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7EAB1F1D0550A6C5C24EEB0FFE8B0D00.png title=6.png alt=6.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/E02B0267C9CE5D631293E2009CAA944E.png title=2.png alt=2.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/97A321C54CDE390E45CABB40E0385792.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/120FFEBE12173E72E2E586E9D411B33A.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/783C74CDD717EF027F8C7B8227F4E7E8.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/184FA4D262A2B6AEC7953A55374537C0.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7A2A9D21570021EB863D6D11B9B4ADAE.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/2E6C39A9A09597AD57A446FD6E31B3B2.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E4607BE5554DF3B9A9660F997F909DE7.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/75DA33B0E9515DBA13C25CE536E822A8.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F25BC0EFD82E21FADEA1CB09B4D22BF1.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2BED7E83C050F5A9D352471AD9CC44B9.png title=2-4.png alt=2-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/5793948AC4645CCFDF41AFF74F2E4F8A.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/EC5040CE30F5F60A3D9F91BC4BD093F8.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/4A9B4786703E1FEDEB43312FAB28B4F9.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/743905A0694F7EA960F3DF54CD30DD97.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/E57DC7A35FE409BC2B78685498D11E30.png title=2-4.png alt=2-4.png/>