【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/32FA38AA994087804CA36962D7A2ECBD.png title=QQ图片20160108174625.png alt=QQ图片20160108174625.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/90A1412780124CAA60E271F47BD0FCD8.png title=QQ图片20160108174637.png alt=QQ图片20160108174637.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/9BE103C4BDD070A790CF0D1D45308CBF.png title=QQ图片20160108174646.png alt=QQ图片20160108174646.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/D628A420D246559BC89C82DD765C7851.png title=QQ图片20160108174700.png alt=QQ图片20160108174700.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/CB1F85A219E9DE2CC60C4652AAE9FFB1.png title=QQ图片20160108174710.png alt=QQ图片20160108174710.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/C901857D59DC5153A13A9C539D95EF2B.png title=题干.png alt=题干.png width=702 height=46 style=width: 702px; height: 46px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6E35AF134320DB2FFD13FCCD6B074233.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/245ACD69986DBB13D920065D770DFBED.png title=3.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/0361C65C689E49EB589070986552B980.png title=2.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5129E950D78F5C71589160D8632ED17D.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/74450240495411D56025D8D56C7C83B0.png title=题干.png alt=题干.png width=825 height=146 style=width: 825px; height: 146px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/16E48B874BBA6559EB8535EDCAB755E4.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/EA64ED1D599C490A708EE1B8E51CF8E5.png title=2.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/354C8D0445967D3415A9C77E97B38400.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/84ADC141A9F319BDCFA1D09CAA3C69F9.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/641BEDBA3B6C85A73FD3EFD35DE4E4D3.png title=QQ图片20160108163236.png alt=QQ图片20160108163236.png/><img src=https://huaweicloudobs.ahjxjy.cn/288906281F47417A4DCC13585D2660C7.png title=QQ图片20160108163548.png alt=QQ图片20160108163548.png/>
①
１或２
②
－１或３
③
１或３
④
－１或－３
【单选题】
已知向量<img src="20190809/1565318424536224.png" title="1565318424536224.png" alt="图片12.png"/>的长度为3，方向向东，向量<img src="20190809/1565318432803809.png" title="1565318432803809.png" alt="图片11.png"/>的长度为4，方向向北，则<img src="20190809/1565318416857876.png" title="1565318416857876.png" alt="图片10.png"/>等于( )
①
<img class="kfformula" src="20190809/1565318471610307.png" data-latex="5"/>
②
<img class="kfformula" src="20190809/1565318471807250.png" data-latex="7"/>
③
<img class="kfformula" src="20190809/1565318471275858.png" data-latex="11"/>
④
<img class="kfformula" src="20190809/1565318471551260.png" data-latex="\sqrt {73}"/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E9CCE99ABC3D90DD9271185233946874.png title=QQ图片20160108175255.png alt=QQ图片20160108175255.png/><img src=https://huaweicloudobs.ahjxjy.cn/28D6F7A14E90CAFB479D1D056702222C.png title=QQ图片20160108175305.png alt=QQ图片20160108175305.png/>
①
-1
②
0
③
1
④
2
【多选题】
<img src=https://huaweicloudobs.ahjxjy.cn/16C7003AF9EB1735F75173AF3F994BD1.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/997C861BE25A9EB1CA0BE4E4AA1F6921.png title=2.png alt=2.png/><img src=https://huaweicloudobs.ahjxjy.cn/24E0907ED0230C3FE1B001D96DCA0640.png title=3.png alt=3.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/692F090A7E165A0A38C14FF0554B4204.png title=4.png alt=4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/69624F08569759B278A275D6A58759F1.png title=5.png alt=5.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/EBEE189275F1591DF76F689BF95BD90B.png title=7.png alt=7.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7659ADB5D6852930BC5FBFD88C956B69.png title=6.png alt=6.png/>
【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/2B4A77C8B9C0BB18180CE62E9F1D0AC6.png title=8.png alt=8.png/><img src=https://huaweicloudobs.ahjxjy.cn/05AB0F7F394D0CD4D82B5B2086DE0927.png title=de.png alt=de.png/><img src=https://huaweicloudobs.ahjxjy.cn/2E169DFBC5EE7A737D73D94ED679755F.png title=9.png alt=9.png/><img src=https://huaweicloudobs.ahjxjy.cn/0E5EF962291E521FE1A6CA71074CE537.png title=10.png alt=10.png/><img src=https://huaweicloudobs.ahjxjy.cn/DB63E2989A296772B7315BA6326EDFE4.png title=12.png alt=12.png/>
①
正确
②
错误
【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】
设<img src=https://huaweicloudobs.ahjxjy.cn/C67CBDA727FEA56C7AB111CAB6F951AD.png title=QQ图片20160224215718.png alt=QQ图片20160224215718.png/>，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
