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A:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/ACNW/2018/1206/PIrsmvjACNW20181206143323659.png?Expires=3436238006&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=vldyWaVjVFHD45wZDQgwCkkSgww%3D" title="图片.png" alt="图片.png">
B:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/YAKH/2018/1206/PIjjfcgYAKH20181206143331430.png?Expires=3436238015&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=3%2BVmTPvBCenLS%2Fobt1SWeeyjgSQ%3D" title="图片.png" alt="图片.png">
C:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/SZJO/2018/1206/PIodgtfSZJO20181206143338900.png?Expires=3436238022&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=mQ0amp7m%2B0R0SrQudn1HN8Z9F7Y%3D" title="图片.png" alt="图片.png">
D:<p><img src="http://ccm2cdn.open.com.cn/zyglpt/PI/VKZM/2018/1206/PIlbeekVKZM20181206143435420.png?Expires=3436238081&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=erqJgyunvHpFGv8%2Fuf6sdHv8SM4%3D" title="图片.png" alt="图片.png"></p>
<p><span style="font-size: 14px; font-family: 微软雅黑, 'Microsoft YaHei';">下列函数能构成复合函数<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIgtsyuTEMP20160910105219673.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png">是（ ）</span></p>
A:<p><img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIlbmdxTEMP20160910105238781.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></p>
B:<p><img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PItgjomTEMP20160910105249916.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></p>
C:<p><img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIxrmsyTEMP20160910105301832.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></p>
D:<p><img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIxwrltTEMP20160910105312821.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></p>
<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/YWTQ/2018/1205/PIvxehlYWTQ20181205152343248.png?Expires=3436154624&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=3kLUD79ZvB1soQMCyHCDIRYZzsA%3D" title="图片.png" alt="图片.png">
A:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/AEJY/2018/1205/PIsccitAEJY20181205152350176.png?Expires=3436154634&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=18e0yQOuC5Retv2w%2FMiM5mBXDY4%3D" title="图片.png" alt="图片.png">
B:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/GOVB/2018/1205/PIoogtwGOVB20181205152403281.png?Expires=3436154645&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=LVureBitT%2FCc9YGCw76j3z2kRDc%3D" title="图片.png" alt="图片.png">
C:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/TPNC/2018/1205/PIkkmnxTPNC20181205152411460.png?Expires=3436154655&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=yJ%2B4W16Wa7wZYlCqVYEG5CYxOvo%3D" title="图片.png" alt="图片.png">
D:<p><img src="http://ccm2cdn.open.com.cn/zyglpt/PI/EHJD/2018/1205/PInlwomEHJD20181205152503533.png?Expires=3436154708&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=nqL8dR9Or3FqFh4cQe5Q1mpQaKs%3D" title="图片.png" alt="图片.png"></p>
<p><span style="font-size: 14px; font-family: 微软雅黑, 'Microsoft YaHei';">已知<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIhqderTEMP20160910013046800.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png">则<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIvrnwpTEMP20160910013111337.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png">（ ）。</span></p>
A:<p><span style="font-family: 微软雅黑, 'Microsoft YaHei';">1</span><br></p>
B:<p><span style="font-family: 微软雅黑, 'Microsoft YaHei';">0</span><br></p>
C:<p><span style="font-family: 微软雅黑, 'Microsoft YaHei';">-1</span><br></p>
D:<p><img class="kfformula" src="data:image/png;base64,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" data-latex="-\frac {1} {2}"></p>
<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/GGDV/2018/1205/PIlyfoxGGDV20181205170836417.png?Expires=3436160921&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=XEX13PpjdSstLeHt1eUDmiwK6gA%3D" title="图片.png" alt="图片.png">
A:<p><img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADsAAAA1CAYAAAD/L5PDAAAAvUlEQVRoge3ZwQ2DMAyF4bcKE2SFLpKFmId1Mkt6ANRgLlWlNtXz/0k+hFMsBwsHCQAAAMAsTVI/ok7ey1etksqwbmFtpelazfWIFDaZH+VTiqquejWoVLqMG1RUtTctO0X3Sp7PLMUq2jepPsQ2eS8AklskPd6M5ac7Az42DgLWHxRF1wQ3GSccEysyHQSkPbGYsO0gEFlXNkpzB1Vl3JxGVUnGu6J7orb3UDFR23d2/M9zRppuDAAAAPyLJ4maLkM0s3BMAAAAAElFTkSuQmCC" data-latex="\frac {3} {2}"></p>
B:1
C:3
D:0
下列命题正确的是（ ）
A:<span style="font-size: 14px; font-family: "微软雅黑", sans-serif;">驻点一定是极值点</span>
B:<span style="font-size: 14px; font-family: "微软雅黑", sans-serif;">极值点一定是驻点</span>
C:<span style="font-size: 14px; font-family: "微软雅黑", sans-serif;">可导的极值点一定是驻点</span>
D:<span style="font-size: 14px; font-family: "微软雅黑", sans-serif;">不可导点一定不是极值点</span>
<p><span style="font-size:14px;font-family:宋体">设<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIhywgbTEMP20160910015033021.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span><span style="font-size:14px;font-family:宋体"></span><span style="font-size:14px;font-family:宋体">在<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIkabdcTEMP20160910015042951.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span><span style="font-size:14px;font-family:宋体">上连续，且<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIjqngeTEMP20160910015052887.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span><span style="font-size:14px;font-family:宋体">，则下列结论错误的是</span></p>
A:<p><span style="font-size:14px;font-family:宋体">至少存在一点<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIulcmkTEMP20160910015124817.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span><span style="font-size:14px;font-family:宋体">使得<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIyrmqzTEMP20160910015142323.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span></p>
B:<p><span style="font-size:14px;font-family:宋体">至少存在一点<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIxuigyTEMP20160910015209922.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span><span style="font-size:14px;font-family:宋体">使得<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIpniwxTEMP20160910015222211.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span></p>
C:<p><span style="font-size:14px;font-family:宋体">至少存在一点<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIayvmsTEMP20160910015242397.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span><span style="font-size:14px;font-family:宋体">使得<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIzskiiTEMP20160910015253744.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span></p>
D:<p><span style="font-size:14px;font-family:宋体">至少存在一点<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIllcrhTEMP20160910015311913.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span><span style="font-size:14px;font-family:宋体">使得<img src="http://oapi.open.com.cn/api/core/file/gofile.do?id=PIkmeigTEMP20160910015328734.png&appkey=5da97a028134420c84123474e7e59e93" title="blob.png" alt="blob.png"></span></p>
<p><span style="font-size: 14px; font-family: 微软雅黑, 'Microsoft YaHei';">下列命题正确的是（ ）</span></p>
A:<p><span style="font-size: 14px; font-family: 微软雅黑, 'Microsoft YaHei';">驻点一定是极值点</span></p>
B:<p><span style="font-size: 14px; font-family: 微软雅黑, 'Microsoft YaHei';">极值点一定是驻点</span></p>
C:<p><span style="font-size: 14px; font-family: 微软雅黑, 'Microsoft YaHei';">可导的极值点一定是驻点</span></p>
D:<p><span style="font-size: 14px; font-family: 微软雅黑, 'Microsoft YaHei';">不可导点一定不是极值点</span></p>
<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/KJPJ/2018/1206/PIuzrjzKJPJ20181206150608695.png?Expires=3436239971&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=o%2Fbm0iojFyGsYLXekte%2FZOIeDAA%3D" title="图片.png" alt="图片.png">
A:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/MAKQ/2018/1206/PIgtdncMAKQ20181206150618860.png?Expires=3436239983&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ku%2FEvck8GkAQwT%2Bk3Sz5vDm9FoU%3D" title="图片.png" alt="图片.png">
B:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/GVHD/2018/1206/PIqhxaqGVHD20181206150631180.png?Expires=3436239992&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=tVgWYu4VFsuXexCODMeauVG4MMw%3D" title="图片.png" alt="图片.png">
C:<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/CVDN/2018/1206/PIoqjtoCVDN20181206150639346.png?Expires=3436240002&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=IfOOaVcs0%2BQEb56o0MtVQw8m%2Frc%3D" title="图片.png" alt="图片.png">
D:<p><img src="http://ccm2cdn.open.com.cn/zyglpt/PI/TCUA/2018/1206/PIsllbnTCUA20181206151215651.png?Expires=3436240338&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=E6ySBma8I1aqCkGkr93RqSKV54o%3D" title="图片.png" alt="图片.png"></p>
<img src="http://ccm2cdn.open.com.cn/zyglpt/PI/PTEC/2018/1205/PIocugdPTEC20181205153629394.png?Expires=3436155391&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=P6xuv9ddxTcPbQ%2F1YH5qMPbl4z8%3D" title="图片.png" alt="图片.png">
A:1
B:0
C:2
D:3
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发表于 2020-8-8 19:06:11
