《2018年高考全国三卷理科数学试卷.pdf》由会员分享,可在线阅读,更多相关《2018年高考全国三卷理科数学试卷.pdf(4页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、2018 年普通高等学校招生全国统一考试(III 卷)理科数学 注意事项:1答卷前,考生务必将自己的姓名和准考证号填写在答题卡上。2回答选择题时,选出每小题答案后,用铅笔把答题卡对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其它答案标号。回答非选择题时,将答案写在答题卡上。写在本试卷上无效。3考试结束后,将本试卷和答题卡一并交回。一、选择题:本题共 12 小题,每小题 5 分,共 60 分在每小题给出的四个选项中,只有一项是符合题目要求的 1已知集合,则 A B C D 2 A B C D 3中国古建筑借助榫卯将木构件连接起来,构件的凸出部分叫榫头,凹进部分叫卯眼,图中木构件右边的小
2、长方体是榫头若如图摆放的木构件与某一带卯眼的木构件咬合成长方体,则咬合时带卯眼的木构件的俯视图可以是 4若,则 A B C D 5的展开式中的系数为 A10 B20 C40 D80 6直线分别与轴,轴交于、两点,点在圆上,则面积的取值范围是 A B C D 7函数的图像大致为 8某群体中的每位成员使用移动支付的概率都为,各成员的支付方式相互独立,设为该群体的 10 位成员中使用移动支付的人数,则 A B C D 9的内角的对边分别为,若的面积为,则 A B C D 10设是同一个半径为 4 的球的球面上四点,为等边三角形且其面积为,则三棱锥体积的最大值为 A B C D 11设是双曲线()的左
3、、右焦点,是坐标原点过作的一条渐近线的垂线,垂足为若,则的离心率为 A B2 C D 12设,则 A B C D 二、填空题:本题共 4 小题,每小题 5 分,共 20 分 13已知向量,若,则_ 14曲线在点处的切线的斜率为,则_ 15函数在的零点个数为_ 16已知点和抛物线,过的焦点且斜率为的直线与交于,两点若,则_ 三、解答题:共 70 分解答应写出文字说明、证明过程或演算步骤第 1721 题为必考题,每个试题考生都必须作答第 22、23 题为选考题,考生根据要求作答(一)必考题:共 60 分 17(12 分)等比数列中,文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M
4、1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X
5、3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M
6、1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X
7、3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M
8、1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X
9、3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M
10、1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6(1)求的通项公式;(2)记为的前项和若,求 18(12 分)某工厂为提高生产效率,开展技术创新活动,提出了完成某项生产任务的两种新的生产方式为比较两种生产方式的效率,选取 40 名工人,将他们随机分成两组,每组 20 人,第一组工人用第一种生产方式,第二组工人用第二种生产方式根据工人完成生产任务的工作时间(单位:min)绘制了如下茎叶图:(1)根据茎叶图判断哪种生产方式的效率更高?并说明理由;(2)求 40 名工人完成生
11、产任务所需时间的中位数,并将完成生产任务所需时间超过和不超过的工人数填入下面的列联表:超过 不超过 第一种生产方式 第二种生产方式 (3)根据(2)中的列联表,能否有 99%的把握认为两种生产方式的效率有差异?附:,19(12 分)如图,边长为 2 的正方形所在的平面与半圆弧所在平面垂直,是上异于C、D的点(1)证明:平面平面;(2)当三棱锥体积最大时,求面与面所成二面角的正弦值 20(12 分)已知斜率为的直线与椭圆交于A、B两点,线段的中点为 文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1
12、U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3
13、H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1
14、U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3
15、H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1
16、U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3
17、H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1
18、U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6(1)证明:;(2)设为的右焦点,为上一点,且证明:、成等差数列,并求该数列的公差 21(12 分)已知函数(1)若,证明:当时,;当时,;(2)若是的极大值点,求 (二)选考题:共 10 分,请考生在第 22、23 题中任选一题作答,如果多做,则按所做的第一题计分 22 选修 44:坐标系与参数方程(10 分)在平面直角坐标系中,的参数方程为(为参数),过点且倾斜角为的直线与交于两点(1)求的取值范围;(2)求中点的轨迹的参数方程 23 选修 45:不等式选讲(10 分)设函数(1)画出的图像;(2)
19、当,求的最小值 文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1
20、X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4
21、M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1
22、X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4
23、M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1
24、X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6文档编码:CZ1R5U1X3H6 HK1Z7K2J3Y1 ZT4M1U7W9U6