贵州电大2018年秋季[高中数学（入学测试）（省）]入学测试卷阶段性测验

奥鹏作业答案

【贵州电大】[高中数学（入学测试）（省）]入学测试卷阶段性测验
试卷总分100得分100贵州电大阶段性测验答案

第1题&ltimgwidth=&quot326&quotheight=&quot31&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/422bb776a7a643ae830dc0e7dd8bbdf8/2017111141753544.jpg&quot/&gt
a=0b=0
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt互为倒数&lt/span&gt
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt互为相反数&lt/span&gt
第2题&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt下列函数在定义域上是增函数的是（）&lt/span&gt
y=|x|
y=x&ltsup&gt2&lt/sup&gt
y=x&ltsup&gt3&lt/sup&gt
第3题&ltimgwidth=&quot404&quotheight=&quot31&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5cffd74e8f9aa73d3eb6223ec2/201711114313149.jpg&quot/&gt
&ltimgwidth=&quot125&quotheight=&quot58&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5cffd74e8f9aa73d3eb6223ec2/2017111143144825.jpg&quot/&gt
&ltimgwidth=&quot166&quotheight=&quot63&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5cffd74e8f9aa73d3eb6223ec2/2017111143153639.jpg&quot/&gt
&ltimgwidth=&quot109&quotheight=&quot58&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5cffd74e8f9aa73d3eb6223ec2/20171111432216.jpg&quot/&gt
第4题&ltimgwidth=&quot509&quotheight=&quot32&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/59d70ae16db04e758c32160c33496e5d/20171111432732.jpg&quot/&gt
&ltimgwidth=&quot31&quotheight=&quot58&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/59d70ae16db04e758c32160c33496e5d/201711114314464.jpg&quot/&gt
&ltimgwidth=&quot27&quotheight=&quot67&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/59d70ae16db04e758c32160c33496e5d/201711114325681.jpg&quot/&gt
&ltimgwidth=&quot59&quotheight=&quot58&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/59d70ae16db04e758c32160c33496e5d/201711114332889.jpg&quot/&gt
第5题&ltimgwidth=&quot287&quotheight=&quot35&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f25bf6ca90464f3ba2e481ca0c4ea6d2/201711115549567.jpg&quot/&gt
&ltimgwidth=&quot131&quotheight=&quot23&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f25bf6ca90464f3ba2e481ca0c4ea6d2/20171111562421.jpg&quot/&gt
&ltimgwidth=&quot155&quotheight=&quot32&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f25bf6ca90464f3ba2e481ca0c4ea6d2/201711115610908.jpg&quot/&gt
&ltimgwidth=&quot162&quotheight=&quot27&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/f25bf6ca90464f3ba2e481ca0c4ea6d2/201711115619364.jpg&quot/&gt
第6题&ltspanstyle=&quotfontsize12ptfontfamily宋体colorblackmsoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightboldmsobidifontsize10.5pt&quot&gt下列方程为圆的方程的是（）&lt/span&gt
x&ltsup&gt2&lt/sup&gt+y&ltsup&gt2&lt/sup&gt=1
2x&ltsup&gt2&lt/sup&gt+y=1
2x&ltsup&gt2&lt/sup&gty&ltsup&gt2&lt/sup&gt=1
第7题log&ltsub&gt2&lt/sub&gt16=（）
4
3
8
第8题&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt下列式子中，正确的是（）&lt/span&gt
a&ltsup&gt3&lt/sup&gt+a&ltsup&gt3&lt/sup&gt=a&ltsup&gt6&lt/sup&gt
(a&ltsup&gt3&lt/sup&gt)&ltsup&gt2&lt/sup&gt=a&ltsup&gt6&lt/sup&gt
a&ltsup&gt3&lt/sup&gta&ltsup&gt2&lt/sup&gt=a&ltsup&gt6&lt/sup&gt
第9题&ltimgstyle=&quotheight34pxwidth515px&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/05159e45b393484786908e30c29b662a/2017111144718636.jpg&quot/&gt
1
2
3
第10题&ltimgwidth=&quot215&quotheight=&quot43&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/3f1537d7a71a4858ba561d6aab21a985/201711114111503.jpg&quot/&gt
3
3
&ltimgwidth=&quot38&quotheight=&quot36&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/3f1537d7a71a4858ba561d6aab21a985/2017111141117260.jpg&quot/&gt
第11题&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt若二次函数y=ax&ltsup&gt2&lt/sup&gt+2x+1(a&ampne0)&lt/span&gt&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt的图像开口向上，则a&lt/span&gt&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt满足下列哪个条件（）&lt/span&gt
a&amplt0
a&ampgt0
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gta取除&lt/span&gt&ltspanlang=&quotENUS&quotstyle=&quotfontsize10.5ptfontfamily&ampquotTimesNewRoman&ampquot&ampquotserif&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightboldmsofareastfontfamily宋体&quot&gt0&lt/span&gt&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt外的任意实数都行&lt/span&gt
第12题&ltimgwidth=&quot257&quotheight=&quot32&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/fadae5f1f0494d2a84d8fdeda092e58d/20171111452051.jpg&quot/&gt
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt充分条件&lt/span&gt
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt必要条件&lt/span&gt
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt充分必要条件&lt/span&gt
第13题&ltimgwidth=&quot377&quotheight=&quot35&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/590ed78d1cd840dcbd89d3f66111feb1/2017111144549791.jpg&quot/&gt
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt单调递增&lt/span&gt
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt先单调递增，后单调递减&lt/span&gt
&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt单调递减&lt/span&gt
第14题&ltimgwidth=&quot444&quotheight=&quot34&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/6700f788fa4342c48a3360c325ff523b/201711114023997.jpg&quot/&gt
｛14｝
{256}
{12456}
第15题&ltimgwidth=&quot440&quotheight=&quot59&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/fa376f364e174e33b6c4f2c8d3c12658/2017111142713796.jpg&quot/&gt
0
1
2
第16题&ltimgwidth=&quot123&quotheight=&quot55&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/a30e4d28321d4a3a8d40d4182cb27574/2017111152123685.jpg&quot/&gt
√
第17题&ltimgwidth=&quot83&quotheight=&quot34&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/e98eeb91d8cf4bbd94e5ead326de0a33/2017111151932874.jpg&quot/&gt
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第18题&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt二次函数与一次函数至多有&lt/span&gt&ltspanlang=&quotENUS&quotstyle=&quotfontsize10.5ptfontfamily&ampquotTimesNewRoman&ampquot&ampquotserif&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightboldmsofareastfontfamily宋体&quot&gt2&lt/span&gt&ltspanstyle=&quotfontsize10.5ptfontfamily宋体msoasciifontfamily&ampquotTimesNewRoman&ampquotmsohansifontfamily&ampquotTimesNewRoman&ampquotmsobidifontfamily&ampquotTimesNewRoman&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightbold&quot&gt个交点&lt/span&gt&ltspanlang=&quotENUS&quotstyle=&quotfontsize10.5ptfontfamily&ampquotTimesNewRoman&ampquot&ampquotserif&ampquotmsofontkerning1.0ptmsoansilanguageENUSmsofareastlanguageZHCNmsobidilanguageARSAmsobidifontweightboldmsofareastfontfamily宋体&quot&gt.&lt/span&gt
√
第19题&ltimgwidth=&quot205&quotheight=&quot36&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/d51aa5053f2845b6963654cf6c18cb65/2017111152028444.jpg&quot/&gt
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第20题&ltimgwidth=&quot74&quotheight=&quot36&quotalt=&quot&quotsrc=&quot/Attachment/Attachment/Itembank/QuestionAttachments/201711/3ee67e808cde4ff082d77adb135297b6/2017111152157866.jpg&quot/&gt
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