【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】
下图附件是（ ）。<img src="20190823/1566521438790966.png" title="1566521438790966.png" alt="图片1.png"/>
①
P型存水弯
②
S型存水弯
【单选题】
图示体系是（ ）。<img src="20200804/1596526384314062.png" title="1596526384314062.png" alt="图片8.png"/>
①
几何瞬变无多余约束
②
几何瞬变有多余约束
③
几何常变
④
几何不变
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/BB6602F8EBCDCBC4325AC6C2D402AC62.png title=QQ图片20160108172103.png alt=QQ图片20160108172103.png/><img src=https://huaweicloudobs.ahjxjy.cn/2185028B122EA820C3F12899EF40B3B5.png title=QQ图片20160108172114.png alt=QQ图片20160108172114.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/CC23C6DB5BA0BF66BBFFC2864C452A86.png title=QQ图片20160108172123.png alt=QQ图片20160108172123.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/EED4D03BD0C27BA6DF81137CB7AD483D.png title=QQ图片20160108172134.png alt=QQ图片20160108172134.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/161D2BDBBB638F1AEC50FA43244D2A9D.png title=QQ图片20160108172143.png alt=QQ图片20160108172143.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/3E2F5DB12481695A27D0760789A13712.png title=QQ图片20160108172158.png alt=QQ图片20160108172158.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/CA977EAF174ABEA8D98572494901DEA6.png title=QQ图片20160108165530.png alt=QQ图片20160108165530.png/><img src=https://huaweicloudobs.ahjxjy.cn/9CFC6BDC5CABDBA9BC689F2757C70809.png title=QQ图片20160108165542.png alt=QQ图片20160108165542.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8B20C4790FE0AFEE7E5AD0A25E146D33.png title=QQ图片20160108165552.png alt=QQ图片20160108165552.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/CD375EF57CF5BEC51FCB663131E76075.png title=QQ图片20160108165602.png alt=QQ图片20160108165602.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/0D6F53BC545A4B151069E02879A1AF83.png title=QQ图片20160108165611.png alt=QQ图片20160108165611.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9B31FC6625A74D69B56755295A5BFDDB.png title=QQ图片20160108165621.png alt=QQ图片20160108165621.png/>
【单选题】
设平面<img src=https://huaweicloudobs.ahjxjy.cn/31A542F228A00D0E0C454891B06C0999.png title=图片10.png alt=图片10.png/>的方程分别为<img src=https://huaweicloudobs.ahjxjy.cn/15780060EFC09696E85F57C13C838872.png title=图片11.png alt=图片11.png/>，则（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png/>与<img src=https://huaweicloudobs.ahjxjy.cn/A6AD1FC6BBAF3C1CE6C912612FEE0DF8.png title=图片13.png alt=图片13.png/>平行
②
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png style=white-space: normal;/>与<img src=https://huaweicloudobs.ahjxjy.cn/A6AD1FC6BBAF3C1CE6C912612FEE0DF8.png title=图片13.png alt=图片13.png style=white-space: normal;/>垂直
③
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png style=white-space: normal;/>与<img src=https://huaweicloudobs.ahjxjy.cn/6120621973DB1B0F605F96EED984CCD7.png title=图片14.png alt=图片14.png/>平行
④
<img src=https://huaweicloudobs.ahjxjy.cn/6FD084A684B16B81128226DB7D320E19.png title=图片12.png alt=图片12.png style=white-space: normal;/>与<img src=https://huaweicloudobs.ahjxjy.cn/6120621973DB1B0F605F96EED984CCD7.png title=图片14.png alt=图片14.png style=white-space: normal;/>垂直
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/C2B945A48B09CACAEC9C03FFB92990C9.png title=QQ图片20160224135447.png alt=QQ图片20160224135447.png/>，则<img src=https://huaweicloudobs.ahjxjy.cn/7644EB64AED2EBF2A8A26C3DFD9845D0.png title=QQ图片20160224135614.png alt=QQ图片20160224135614.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/671DAD88C50990D12AAC921B430EDD50.png title=QQ图片20160224135703.png alt=QQ图片20160224135703.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/AFA01D88DB73274B34570B27E59FA317.png title=QQ图片20160224135735.png alt=QQ图片20160224135735.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/59D7ABE11EC3BFDC4862C827EEECDD92.png title=QQ图片20160224135809.png alt=QQ图片20160224135809.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/28E012AAED7E6EA58A29A6698EEA43F1.png title=QQ图片20160224135750.png alt=QQ图片20160224135750.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D463108C315338EC602955767F53A761.png title=QQ图片20160107165926.png alt=QQ图片20160107165926.png/>( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/6C90585DE21EC1110F7706304E3C2363.png title=QQ图片20160107165946.png alt=QQ图片20160107165946.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5E76DAA2C98616ED2B434FBA90DF0B46.png title=QQ图片20160107170011.png alt=QQ图片20160107170011.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/727FE39E7BBDA3ACE633C1D9DB4A4D3B.png title=QQ图片20160107170024.png alt=QQ图片20160107170024.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/4F1123D324CA90EC92B6E3C41457B6C1.png title=QQ图片20160107170040.png alt=QQ图片20160107170040.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/46371AC9656CCBCDE75D4732FDAF3336.png title=QQ图片20160108174303.png alt=QQ图片20160108174303.png/><img src=https://huaweicloudobs.ahjxjy.cn/D21D396B38AA2D3311B32DFF3B429B81.png title=QQ图片20160108174314.png alt=QQ图片20160108174314.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/078683216D2137B6C6787C47CF752A08.png title=QQ图片20160108174326.png alt=QQ图片20160108174326.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/088A43BE148E0F9BA5CB6DBECC6C83A2.png title=QQ图片20160108174336.png alt=QQ图片20160108174336.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/06E8BAAD1ECEC250DA5ABDFFBAEA1A82.png title=QQ图片20160108174346.png alt=QQ图片20160108174346.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2BA64BD0346C9F9EED009C9A82FCA0A0.png title=QQ图片20160108174356.png alt=QQ图片20160108174356.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/>
