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
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/201711/3f1537d7-a71a-4858-ba56-1d6aab21a985/201711114111503.jpg" />
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A.3
B.-3
C.<img width="38" height="36" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/3f1537d7-a71a-4858-ba56-1d6aab21a985/2017111141117260.jpg" />
答:——A——
2.[单选题] <img width="142" height="57" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/3bf0cb9f-11d3-421f-9912-394a427370d8/2017111144644127.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x<sub>1</sub>=1,x<sub>2</sub>=2,x<sub>3</sub>=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P<sub>1</sub>=0.2,P<sub>2</sub>=0.3,P<sub>3</sub>=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=ax<sup>2</sup>+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:————
6.[单选题] <img width="599" height="31" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/5cbfd990-eb72-43d5-88e6-403835f607cf/201711114153326.jpg" />
A.0
B.1
C.4
答:————
7.[单选题] <img width="389" height="40" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/3d986ba7-8e45-4d9d-9e8a-ffa11a25b1fd/2017111145414514.jpg" />
A.<img width="124" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/3d986ba7-8e45-4d9d-9e8a-ffa11a25b1fd/2017111145423312.jpg" />
B.<img width="128" height="38" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/3d986ba7-8e45-4d9d-9e8a-ffa11a25b1fd/2017111145431206.jpg" />
C.<img width="128" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/3d986ba7-8e45-4d9d-9e8a-ffa11a25b1fd/2017111145440130.jpg" />
答:————
8.[单选题] <img width="144" height="55" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/1d9b9d83-a1f6-4c4c-af82-fd6bf7f4c783/201711114750427.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/201711/2775ad2f-c9f0-4510-8968-44fb7bd7150c/2017111143929313.jpg" /></span>
A.y=2x-4
B.y=2x-1
C.y=-2x+2
答:————
10.[单选题] <img width="291" height="65" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/4c83760d-b205-4d3e-9900-b8416f42cc75/2017111142945169.jpg" />
A.x=15,y=10
B.x=-30,y=-14
C.x=-15,y=-7
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/201711/98e6d662-77bd-4233-a1c2-137386e45ca6/2017111142037756.jpg" />
B.<img width="221" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/98e6d662-77bd-4233-a1c2-137386e45ca6/2017111142045384.jpg" />
C.<img width="237" height="54" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/98e6d662-77bd-4233-a1c2-137386e45ca6/2017111142052982.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)<sup>2</sup>+(y-2)<sup>2</sup>=4
B.(x-1)<sup>2</sup>+(y-2)<sup>2</sup>=4
C.(x-1)<sup>2</sup>+(y-2)<sup>2</sup>=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="56" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/c0d14751-ea07-4d18-a203-5657d6892f03/201711114454191.jpg" />
B.<img width="94" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/c0d14751-ea07-4d18-a203-5657d6892f03/2017111144512179.jpg" />
C.<img width="97" height="56" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/c0d14751-ea07-4d18-a203-5657d6892f03/2017111144520712.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 7 612 9 60 21
B.y=x<sup>2</sup>
C.y=x<sup>3</sup>
答:————
15.[单选题] <img width="115" height="50" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/04758437-4b17-46ea-8b59-1611ee4af2ba/2017111141211519.jpg" />
A.8
B.<img width="40" height="59" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/04758437-4b17-46ea-8b59-1611ee4af2ba/2017111141225544.jpg" />
C.16
答:————
16.[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:————
17.[判断题] <img width="306" height="32" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/a30c84d3-5a6f-4b5d-81ab-fdb28c35ef85/201711115170847.jpg" />
A.√
B.×
答:————
18.[判断题] <img width="111" height="59" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/14ca24cd-b471-4190-b4b5-e42f418be2ca/201711115184934.jpg" />
A.√
B.×
答:————
19.[判断题] <img width="248" height="54" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/d9f76120-3f51-44be-aaed-5061d70b8c3c/2017111151747539.jpg" />
A.√
B.×
答:————
20.[判断题] <img width="166" height="47" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/2a9388f4-2091-470a-bc63-44859d98eecd/2017111151634169.jpg" />
A.√
B.×
答:————
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