【单选题】
设D是圆环<img src=https://huaweicloudobs.ahjxjy.cn/C1E9D12458DFD4A14CD3882562ECD317.png title=QQ图片20160224231208.png alt=QQ图片20160224231208.png/>，且<img src=https://huaweicloudobs.ahjxjy.cn/19CA4355701DCCA8E9BFC90709B1C2E6.png title=QQ图片20160224231228.png alt=QQ图片20160224231228.png/>则<img src=https://huaweicloudobs.ahjxjy.cn/D387AD7A8CB622BCD1F542C7C350B136.png title=QQ图片20160224231244.png alt=QQ图片20160224231244.png/>（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/9E7A64637000AEC0789E48D1E96AD66E.png title=QQ图片20160224231302.png alt=QQ图片20160224231302.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/AFF8BA7BECE58AC3901A521D7A606F30.png title=QQ图片20160224231314.png alt=QQ图片20160224231314.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/7E7DDA627E10663C0016B52FA149DC3A.png title=QQ图片20160224231331.png alt=QQ图片20160224231331.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/12F7546764221D5997C3F99846C7FF70.png title=QQ图片20160224231344.png alt=QQ图片20160224231344.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A7680902CB99663BA6E23408C5C4ABFB.png title=QQ图片20160108111419.png alt=QQ图片20160108111419.png/><img src=https://huaweicloudobs.ahjxjy.cn/F7C836FE5C2376120035EBE3D8C699B9.png title=QQ图片20160108111439.png alt=QQ图片20160108111439.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/51A1F02268CD4EAF0D1BB4C81A2C8981.png title=QQ图片20160108111454.png alt=QQ图片20160108111454.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/FAF724DB88B6F9338819B0ACF799FC7E.png title=QQ图片20160108111507.png alt=QQ图片20160108111507.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/D6D9581D650D608E065C2881AE35D6A8.png title=QQ图片20160108111520.png alt=QQ图片20160108111520.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F1950DBF13A5E2F6DF6D0A2E7B40036B.png title=QQ图片20160108111532.png alt=QQ图片20160108111532.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/B02CD22D3347799C04123AFB12CAB4BB.png title=题干.png alt=题干.png width=718 height=64 style=width: 718px; height: 64px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/295E5C45CDB9BAA827198FAF8E044AD8.png style= title=2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F9CC7E6795E49482C881A3E135957501.png title=3.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C9002CED13BF33495DC6181927AFF047.png title=1.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5A3C180AB3D7B03217D519B4EB7D7F23.png title=4.png style=white-space: normal;/>
【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
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/EACBDB7AACB6CCFD57D69BB2531D09DE.png title=QQ图片20160108162109.png alt=QQ图片20160108162109.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/7C76BFCC5F8A393F2B935BDEA9D78EF1.png title=QQ图片20160108162120.png alt=QQ图片20160108162120.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/B96167ADDEFC695A4870459C2BF7897A.png title=QQ图片20160108162132.png alt=QQ图片20160108162132.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/7A9A01991C504EFCFA4FCF2560EA784F.png title=QQ图片20160108162144.png alt=QQ图片20160108162144.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/EFD05D802E5F910C608A613EC6336438.png title=QQ图片20160108162153.png alt=QQ图片20160108162153.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/F22E424670D48EA8B00BF875A572F6D9.png title=QQ图片20160108102117.png alt=QQ图片20160108102117.png/><img src=https://huaweicloudobs.ahjxjy.cn/A7B8AB7EFE9A8EC7C2D83F83CE6AD874.png title=QQ图片20160108102145.png alt=QQ图片20160108102145.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D1158E7E2A11A9F3FF830DEDCACFCE40.png title=QQ图片20160108102201.png alt=QQ图片20160108102201.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5E167DEDAC45510EE9C136A2850BAEEB.png title=QQ图片20160108102216.png alt=QQ图片20160108102216.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/EAC49782558574996690E7E54E04DB82.png title=QQ图片20160108102237.png alt=QQ图片20160108102237.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A97A1286364D01DF4D8429E6D441571A.png title=QQ图片20160108102252.png alt=QQ图片20160108102252.png/>
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/9FF47EB4ACC755BA3E9A845E0264B1EF.png" title="计12.png" alt="计12.png"/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/AD9B5748E6D7139D692C23227AD9D994.png title=10.png alt=10.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8075C953332368FDB0A9FF615F8A4CCA.png title=10-1.png alt=10-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/9262A8046F7BE40E89B7A32D51DF6AF9.png title=10-2.png alt=10-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/40B7CDE783B5BBEA711B405B6C22E900.png title=10-3.png alt=10-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/97D76363B91CC80D065E8AA47239BABD.png title=10-4.png alt=10-4.png/>
