贵州电大2018年秋季学期高中数学（入学测试）高中数学（入学测试）（含答案）

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2018年秋季学期高中数学（入学测试）高中数学（入学测试）
一、单选题:【15道,总分:0分】
电大作业答案
贵州电大作业

1.[单选题]<img width="269" height="55" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/24a6c364-312b-4f5d-ae3b-5049a61173ec/2017111142843796.jpg" />          (满分:)
    A.<img width="101" height="80" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/24a6c364-312b-4f5d-ae3b-5049a61173ec/2017111142853531.jpg" />
    B.<img width="103" height="73" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/24a6c364-312b-4f5d-ae3b-5049a61173ec/201711114291815.jpg" />
    C.R
    正确答案:——A——
2.[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=2x²-5x+8</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">的最小值为( )</span>          (满分:)
    A.1
    B.2
    C.<img width="37" height="54" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/28b95dbc-0114-47b7-a456-735ac9b4bb1e/2017111143617412.jpg" />
    正确答案:——C——
3.[单选题]方程-3x+5=0的解为（ ）          (满分:)
    A.<img width="40" height="56" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/97cbdb6e-c51d-4bbe-a01f-2460865caa3f/2017111143738457.jpg" />
    B.<img width="36" height="52" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/97cbdb6e-c51d-4bbe-a01f-2460865caa3f/20171111437467.jpg" />
    C.<img width="29" height="52" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/97cbdb6e-c51d-4bbe-a01f-2460865caa3f/201711114375488.jpg" />
    正确答案:——B——
4.[单选题]<img width="308" height="29" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/067ee218-1a18-48d9-b3b2-cef389326ff5/201711114945809.jpg" />          (满分:)
    A.<img width="33" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/067ee218-1a18-48d9-b3b2-cef389326ff5/20171111410021.jpg" />
    B.<img width="42" height="52" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/067ee218-1a18-48d9-b3b2-cef389326ff5/201711114107993.jpg" />
    C.<img width="43" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/067ee218-1a18-48d9-b3b2-cef389326ff5/201711114101529.jpg" />
    正确答案:————
5.[单选题]<img width="254" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/9b0fe569-1611-4008-9a5e-2c14c293ef21/2017111141635401.jpg" />          (满分:)
    A.-1＜x＜0
    B.x＜0
    C.x＞0
    正确答案:————
6.[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">下列为有界函数的是（ ）</span>          (满分:)
    A.<img width="66" height="29" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/31cad507-8e6f-4166-8241-cb158e091d6e/201711115410488.jpg" />
    B.<img width="74" height="32" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/31cad507-8e6f-4166-8241-cb158e091d6e/201711115418444.jpg" />
    C.<img width="84" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/31cad507-8e6f-4166-8241-cb158e091d6e/201711115426447.jpg" />
    正确答案:————
7.[单选题]<img width="538" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/b002c9d8-6e5d-4d83-a09f-e2ecb9cd2198/2017111142127600.jpg" />          (满分:)
    A.＞0
    B.＜0
    C.&ge;0
    正确答案:————
8.[单选题]<img width="326" height="31" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/422bb776-a7a6-43ae-830d-c0e7dd8bbdf8/2017111141753544.jpg" />          (满分:)
    A.a=0,b=0
    B.<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">互为倒数</span>
    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">互为相反数</span>
    正确答案:————
9.[单选题]<img width="440" height="59" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/fa376f36-4e17-4e33-b6c4-f2c8d3c12658/2017111142713796.jpg" />          (满分:)
    A.0
    B.1
    C.2
    正确答案:————
10.[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-bidi-font-weight: bold; mso-fareast-font-family: 宋体"><span style="position: relative; top: 3pt; mso-text-raise: -3.0pt"><v:shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600">x</v:shapetype></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">的</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">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">倍减去</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">4</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">等于它的</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">倍加上</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">6</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x</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">为（ ）</span>          (满分:)
    A.10
    B.-5
    C.6
    正确答案:————
11.[单选题]<img width="404" height="31" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5c-ffd7-4e8f-9aa7-3d3eb6223ec2/201711114313149.jpg" />          (满分:)
    A.<img width="125" height="58" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5c-ffd7-4e8f-9aa7-3d3eb6223ec2/2017111143144825.jpg" />
    B.<img width="166" height="63" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5c-ffd7-4e8f-9aa7-3d3eb6223ec2/2017111143153639.jpg" />
    C.<img width="109" height="58" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/f9293b5c-ffd7-4e8f-9aa7-3d3eb6223ec2/20171111432216.jpg" />
    正确答案:————
12.[单选题]<span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">如果直线l<span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">沿x</span></span><span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">轴负方向平移3</span><span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">个单位再沿y</span><span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">轴正方向平移1</span><span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">个单位后，又回到原来的位置，那么直线l</span><span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">的斜率是（</span><span lang="EN-US" style="font-size: 10.5pt; font-family: "Times New Roman","serif"; color: black; 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"><span style="mso-spacerun: yes"></span> <span style="mso-spacerun: yes"> </span></span><span style="font-size: 10.5pt; font-family: 宋体; color: black; 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">）</span>          (满分:)
    A.<img width="39" height="48" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/6692a93e-1449-471e-b2ae-32cb01321b1d/201711115253468.jpg" />
    B.-3
    C.<img width="29" height="48" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/6692a93e-1449-471e-b2ae-32cb01321b1d/201711115242735.jpg" />
    正确答案:————
13.[单选题]<img width="444" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/6700f788-fa43-42c4-8a33-60c325ff523b/201711114023997.jpg" />          (满分:)
    A.｛1,4｝
    B.{2,5,6}
    C.{1,2,4,5,6}
    正确答案:————
14.[单选题]<img width="479" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/eaa2412d-4dd5-4e74-adf6-683fd23fe787/201711114595591.jpg" />          (满分:)
    A.<img width="138" height="34" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/eaa2412d-4dd5-4e74-adf6-683fd23fe787/2017111145914390.jpg" />
    B.<img width="144" height="30" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/eaa2412d-4dd5-4e74-adf6-683fd23fe787/2017111145922690.jpg" />
    C.<img width="178" height="32" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/eaa2412d-4dd5-4e74-adf6-683fd23fe787/2017111145931379.jpg" />
    正确答案:————
15.[单选题]<img width="211" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/00a48ee7-b9c4-4a51-b1a1-ac095add0123/20171111479615.jpg" />          (满分:)
    A.1
    B.2
    C.3
    正确答案:————
二、判断题:【5道,总分:0分】
16.[判断题]<img width="279" height="67" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/a51b9087-ef74-4d54-bbeb-bea4cd453d0a/2017111151826712.jpg" />          (满分:)
    T.√
    F.×
    正确答案:——F——
17.[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">数据</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">23</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><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">22</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><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">25</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><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">22</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">，的众数是</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">25</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>          (满分:)
    T.√
    F.×
    正确答案:——F——
18.[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"><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">偶函数的图形关于x</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">轴对称．</span></span>          (满分:)
    T.√
    F.×
    正确答案:——F——
19.[判断题]<img width="137" height="35" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201711/a8962267-2810-470a-ba27-5ecc595b6990/2017111151724887.jpg" />          (满分:)
    T.√
    F.×
    正确答案:————
20.[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">无理数为无限不循环小数</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>          (满分:)
    T.√
    F.×
    正确答案:————
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