【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】
已知<img src=https://huaweicloudobs.ahjxjy.cn/250171269DE1EAEA9FE59DEE8BFE33BA.png title=Z8AQFF}MI1N9$@ISTBVL[_6.png alt=Z8AQFF}MI1N9$@ISTBVL[_6.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E02D89F335D5B0BEDBCB24A25DDEF177.png title=%1PYP~8`A`P2XO0XL}Q98%2.png alt=%1PYP~8`A`P2XO0XL}Q98%2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/69D80B472379AEA95C4AA497F0F03B9D.png title=_U~~]((YV3SG%(XE9LBJ$MJ.png alt=_U~~]((YV3SG%(XE9LBJ$MJ.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B6855BA4D3D31E726705276A1F134D16.png title=K)K9(18JZEU0Y67$C9433KA.png alt=K)K9(18JZEU0Y67$C9433KA.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CA8375B4374044476851055918F47A75.png title=VTDX~]OQE%W4HDMGX1J20%F.png alt=VTDX~]OQE%W4HDMGX1J20%F.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/C67CBDA727FEA56C7AB111CAB6F951AD.png title=QQ图片20160224215718.png alt=QQ图片20160224215718.png width=212 height=25 border=0 vspace=0 style=width: 212px; height: 25px;/>，则（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为极值点
②
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为驻点
③
<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>为连续点
④
<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/>有定义
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/A7D35F2A068ECD7A6BAC6ADDE92D1323.png style= title=3.png/><img src=https://huaweicloudobs.ahjxjy.cn/6A1DFCFA477B9ECC3BC53A3CCD70B50A.png style= title=333.png/><img src=https://huaweicloudobs.ahjxjy.cn/75978959ECA9D472929BD49032869F89.png style= title=33.png/>。
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/7F4087B026D6F4BADEA518ED8648AFE7.png title=6-C.png alt=6-C.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/FD9E846B51A5615706F3A945B9906DE7.png title=6-1.png alt=6-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F856EAFC58F1CA132023163A43A3B7F3.png title=6-2.png alt=6-2.png/>
③
2
④
-2
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D91B7DE6E2676A8C3C426B37D62DCBD0.png title=9.png alt=9.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6D9A1F18FF10CBC8CBDCAFD038284FA1.png title=9-1.png alt=9-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/3D678F83D3E1207FA8C6868333731B10.png title=9-2.png alt=9-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/2ADF4BFEA7B720FC04E4890932DEB776.png title=9-3.png alt=9-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/AB17F6D86E27F47AE2DC309D766CC94E.png title=9-4.png alt=9-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/74A502EEFD2F91321DDA59BAFD6F98B6.png title=QQ图片20160105201806.png alt=QQ图片20160105201806.png/>
①
-0.5
②
0.5
③
-1
④
1
【多选题】
<img src=https://huaweicloudobs.ahjxjy.cn/6ED6D2FB01B4ECC5D6DDF9F850E0AE42.png title=7.png alt=7.png/><img src=https://huaweicloudobs.ahjxjy.cn/20F9D6170587EDA4C64F36BAFE91C289.png title=8.png alt=8.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/FC072071BE30D785E1E9D3C0C6DC23FA.png title=12.png alt=12.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/C4180BC6D69C69221A5A45A4532C5475.png title=13.png alt=13.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/07624451B02C04C93B32CAD0810A4A60.png title=14.png alt=14.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/425E82C9FBB555C71DF8A9E386DB1674.png title=9.png alt=9.png/><img src=https://huaweicloudobs.ahjxjy.cn/F189577D1DB0CB47D0B222D7E3E081CC.png title=10.png alt=10.png/><img src=https://huaweicloudobs.ahjxjy.cn/9125E5FCA2C763BFC81669EBF5E2CAD1.png title=11.png alt=11.png/>
【单选题】
下图所示结构的弯矩图形状应为（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/FCEAB6F5F6EBD6D8859B6F68E8E7920A.png title=2.png alt=2.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/F8F1661FAAEF8E51F25191E56660E07B.png title=3.png alt=3.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5CF87F063285D8F9C943A7A1C059DD98.png title=4.png alt=4.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/9C4BE8EBBB82949EFEAFE2991DE07FC4.png title=5.png alt=5.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/74DADDBFB7F9682A5A05BDA5F282EF23.png title=6.png alt=6.png/>
【多选题】
满足<img src=https://huaweicloudobs.ahjxjy.cn/1F81DB3FBC63EFB279F7100321D5E8A9.png title=6.png alt=6.png/>的<img class=jc-formula data-tex=a src=https://huaweicloudobs.ahjxjy.cn/0B1E8CF7FFD9A4B5F77424783BC2078A.png style=vertical-align: middle;/>的取值有
①
2
②
1
③
-1
④
-2
