【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/396D9D2B5D042909788CABA99A919AE2.png title=6.png alt=6.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D66FB42E17613DF05332FC8033094DBD.png title=6-1.png alt=6-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/4E62B11889FCDC4AE20A198F1290CA47.png title=6-2.png alt=6-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/4F02F08AAF2F12F901C28752C4FB7F2E.png title=6-3.png alt=6-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/34D67E57E4CF894C4BD894E5A17E11EF.png title=6-4.png alt=6-4.png/>
【单选题】
该零件尺寸主基准是轴心线和（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/9E62863FFFE6B0B300A3D397A86163F1.png title=图片10.png alt=图片10.png style=width: 388px; height: 250px; width=388 height=250/>
①
左端面
②
右端面
③
圆柱表面
④
通孔
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/56BDC0D59A0699903005B3D2E6060B98.png title=QQ图片20160108162428.png alt=QQ图片20160108162428.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/A0C4768A3FDB0AD9531B15E00E86D516.png title=QQ图片20160108162437.png alt=QQ图片20160108162437.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/289E84ADB4513D8039DA1BE85366AEA4.png title=QQ图片20160108162447.png alt=QQ图片20160108162447.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/11D9D5D2C4389C493557CA52FA43869B.png title=QQ图片20160108162456.png alt=QQ图片20160108162456.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/E0E9DA84C0BAFD0E6A50514231D18777.png title=QQ图片20160108162506.png alt=QQ图片20160108162506.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/687FAE5F026A2FE148F80D811933B933.png title=39.png alt=39.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B99CB086A76207FCD046EE50D2D03081.png title=39-1.png alt=39-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/DE9F1B6E5DD6E1B9B6EED68517462F33.png title=39-2.png alt=39-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C265C7CD6188A8B057086AAF15700DAC.png title=39-3.png alt=39-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/C95E5E80192413694A9BE1659574710D.png title=39-4.png alt=39-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/05F1E336D4DB1D8D74DE53F521940B0C.png title=6.png alt=6.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/1EE9E836B7A4EC23DA3213A20979B67A.png title=6-1.png alt=6-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A18AEB55D7B2E139EA54F72F0E2996C0.png title=6-2.png alt=6-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A25EC92ACC9E5BBD1359C04717718823.png title=6-3.png alt=6-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A2A8F239096DC2B1B464A725092429AE.png title=6-4.png alt=6-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/57132FE13F2DE4735F4D3F53FFED7853.png title=QQ图片20160108160451.png alt=QQ图片20160108160451.png/><img src=https://huaweicloudobs.ahjxjy.cn/171588FEB72EC6FE8DCA91F20C02650C.png title=QQ图片20160108160509.png alt=QQ图片20160108160509.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/11764A0C995D64C8A00BCA06E16E2899.png title=QQ图片20160108160522.png alt=QQ图片20160108160522.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/7BCA0CD43CAC629543F8E84CEC015783.png title=QQ图片20160108160534.png alt=QQ图片20160108160534.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/4AC1282EA7A7C78218566A46FCCB23CD.png title=QQ图片20160108160546.png alt=QQ图片20160108160546.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/36C21C21DE2405894D9ED59BC3F9E088.png title=QQ图片20160108160557.png alt=QQ图片20160108160557.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/250F5F2F1AA5D5ABD06B9C5EBFFB9B40.png title=题干.png alt=题干.png width=800 height=136 style=width: 800px; height: 136px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/CE00B08FAE208F235553F5AAACC2196B.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BBFB122ED2731AA64FBFFD3C2F778211.png title=2.png style=font-size: 18.018px; white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/E0E983CFEC59EB77FEE53BA3822F8F8D.png title=3.png style=font-size: 18.018px; white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/AD7980D995486F65445DB878185D272A.png title=4.png style=font-size: 18.018px; white-space: normal;/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/EA6FB79FF8DF7A9F3A2D0CEB093C717F.png title=QQ图片20160224214006.png alt=QQ图片20160224214006.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>的偏导数存在，则<img src=https://huaweicloudobs.ahjxjy.cn/61AF63E59A60D6B49960C25A0B85414F.png title=QQ图片20160224214038.png alt=QQ图片20160224214038.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/588DCE737E539AFE5318232DBC0C8858.png title=QQ图片20160224214107.png alt=QQ图片20160224214107.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/1898B210FBB62DA4DA7997BB95A4D586.png title=QQ图片20160224214125.png alt=QQ图片20160224214125.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C9D08ECB097A69F4F22594D120D687E7.png title=QQ图片20160224214140.png alt=QQ图片20160224214140.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6101D759594C1C2892D8E9F8195520C5.png title=QQ图片20160224215328.png alt=QQ图片20160224215328.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A724535F15B638714463E897B6F46BFB.png title=4-D.png alt=4-D.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/ED2A5742BA046856DBD6D7AE0C7633B3.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/AE9C59C056BAC621EB219568F47F474A.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/AC5E35F01656879CEDE91C9810FAFA5A.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9FD46AE930025AC1F106470B19A0427A.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/F34769F580544CC4F837D2409D3C88C1.png title=题干.png alt=题干.png width=820 height=136 style=width: 820px; height: 136px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/58748F0735C46E03B72015E7C0CF02F5.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/8600C162BDB85BF564DEE9D96CF5FA5B.png title=2.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/622EB727D3D79F0C07651DF85832635D.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/073909FF6C006AC6F29262575671F101.png title=4.png style=white-space: normal;/>
