贵州电大2020年春季《高中数学（入学测试）》高中数学入学测试卷资料

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2020年春季《高中数学（入学测试）》高中数学入学测试卷
1.[单选题] <img width="215" height="43" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/3f1531d1-a11a-4858-ba5 -1d aab21a985/201111114111503.jpg" />
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    A.3
    B.-3
    C.<img width="38" height="3 " alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/3f1531d1-a11a-4858-ba5 -1d aab21a985/20111111411112 0.jpg" />
    答:——A——
2.[单选题] <img width="142" height="51" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/3bf0cb9f-11d3-421f-9912-394a421310d8/2011111144 44121.jpg" />
    A.2
    B.3
    C.1
    答:——A——
3.[单选题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">设一组资料x₁=1,x₂=2,x₃=3</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">它们的权数分别为P₁=0.2,P₂=0.3,P₃=0.5</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">则这组数据的加权平均数是（</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes">  </span><span style="mso-spacerun: yes">  </span></span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">）．</span>
    A.2
    B.2.3
    C.3
    答:——B——
4.[单选题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">与直线4x+3y-8=0</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">平行的直线方程为（</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes">  </span><span style="mso-spacerun: yes">  </span></span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">）．</span>
    A.4x+3y+2=0

    B.3x+4y-2=0
    C.3x-4y-2=0
    答:————
5.[单选题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">若二次函数y=ax²+2x+1(a≠0)</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">的图像开口向上，则a</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">满足下列哪个条件（   ）</span>
    A.a<0
    B.a>0
    C.<span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">a取除</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体">0</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">外的任意实数都行</span>
    答:————
.[单选题] <img width="599" height="31" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/5cbfd990-eb12-43d5-88e -403835f 01cf/20111111415332 .jpg" />
    A.0
    B.1
    C.4
    答:————
1.[单选题] <img width="389" height="40" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/3d98 ba1-8e45-4d9d-9e8a-ffa11a25b1fd/2011111145414514.jpg" />
    A.<img width="124" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/3d98 ba1-8e45-4d9d-9e8a-ffa11a25b1fd/2011111145423312.jpg" />
    B.<img width="128" height="38" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/3d98 ba1-8e45-4d9d-9e8a-ffa11a25b1fd/201111114543120 .jpg" />
    C.<img width="128" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/3d98 ba1-8e45-4d9d-9e8a-ffa11a25b1fd/2011111145440130.jpg" />
    答:————
8.[单选题] <img width="144" height="55" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/1d9b9d83-a1f -4c4c-af82-fd bf1f4c183/201111114150421.jpg" />
    A.1
    B.tan x
    C.cot x
    答:————
9.[单选题] <span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><img width="430" height="31" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/2115ad2f-c9f0-4510-89 8-44fb1bd1150c/2011111143929313.jpg" /></span>
    A.y=2x-4
    B.y=2x-1
    C.y=-2x+2
    答:————
10.[单选题] <img width="291" height=" 5" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/4c831 0d-b205-4d3e-9900-b841 f42cc15/20111111429451 9.jpg" />
    A.x=15,y=10
    B.x=-30,y=-14
    C.x=-15,y=-1
    答:————
11.[单选题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold"><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">下列各对函数中，（</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体"><span style="mso-tab-count: 1">     </span><span style="mso-spacerun: yes">  </span></span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">）中的两个函数相等．</span></span>
    A.<img width="203" height="39" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/98e d  2-11bd-4233-a1c2-13138 e45ca /201111114203115 .jpg" />
    B.<img width="221" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/98e d  2-11bd-4233-a1c2-13138 e45ca /2011111142045384.jpg" />
    C.<img width="231" height="54" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/98e d  2-11bd-4233-a1c2-13138 e45ca /2011111142052982.jpg" />
    答:————
12.[单选题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">圆心为（1，2）</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">，半径为</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体">2</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">的圆的方程为（</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes">  </span><span style="mso-spacerun: yes">  </span></span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">）．</span>
    A.(x+1)²+(y-2)²=4

    B.(x-1)²+(y-2)²=4
    C.(x-1)²+(y-2)²=2
    答:————
13.[单选题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">函数y=2x+1</span><span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">的反函数为（   ）</span>
    A.<img width="101" height="5 " alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/c0d14151-ea01-4d18-a203-5 51d 892f03/201111114454191.jpg" />
    B.<img width="94" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/c0d14151-ea01-4d18-a203-5 51d 892f03/2011111144512119.jpg" />
    C.<img width="91" height="5 " alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/c0d14151-ea01-4d18-a203-5 51d 892f03/2011111144520112.jpg" />
    答:————
14.[单选题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">下列函数在定义域上是增函数的是（   ）</span>
    A.y=|x|     奥鹏作业答案q   1  12 9  0 21
    B.y=x²
    C.y=x³
    答:————
15.[单选题] <img width="115" height="50" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/04158431-4b11-4 ea-8b59-1 11ee4af2ba/2011111141211519.jpg" />
    A.8
    B.<img width="40" height="59" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/04158431-4b11-4 ea-8b59-1 11ee4af2ba/2011111141225544.jpg" />
    C.1  
    答:————
1 .[判断题] <span style="font-size: 10.5pt; font-family: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">三点可以确定一个平面</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体">.</span>
    A.√
    B.×
    答:————
11.[判断题] <img width="30 " height="32" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/a30c84d3-5a f-4b5d-81ab-fdb28c35ef85/201111115110841.jpg" />
    A.√
    B.×
    答:————
18.[判断题] <img width="111" height="59" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/14ca24cd-b411-4190-b4b5-e42f418be2ca/201111115184934.jpg" />
    A.√
    B.×
    答:————
19.[判断题] <img width="248" height="54" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/d9f1 120-3f51-44be-aaed-50 1d10b8c3c/2011111151141539.jpg" />
    A.√
    B.×
    答:————
20.[判断题] <img width="1  " height="41" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201111/2a9388f4-2091-410a-bc 3-44859d98eecd/2011111151 341 9.jpg" />
    A.√
    B.×
    答:————

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