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2021年湖北省“荆、荆、襄、宜四地七校考试联盟”2019届高三2月月考数学(理)试卷含答案.pdf

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《2021年湖北省“荆、荆、襄、宜四地七校考试联盟”2019届高三2月月考数学(理)试卷含答案.pdf》由会员分享，可在线阅读，更多相关《2021年湖北省“荆、荆、襄、宜四地七校考试联盟”2019届高三2月月考数学(理)试卷含答案.pdf（12页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、“荆、荆、襄、宜四地七校考试联盟”2019届高三 2 月联考数学（理）试题一、选择题:本大题共12 小题,每小题 5 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.已知全集1,2,3,4,5,6U,集合1,2,4,1,3,5AB,则()UABe（）A.1 B.3,5C.1,6D.1,3,5,62.欧拉公式cossiniei(e是自然对数的底,i是虚数单位)是由瑞士著名数学家欧拉发现的.它将三角函数的定义域扩大到复数,建立了三角函数和指数函数的关系,它在复变函数论里占有非常重要的地位当时,就有10ie.根据上述背景知识试判断20183ie表示的复数在复平面对应的点位于（）A.第一

2、象限B.第二象限C.第三象限D.第四象限3.向量,a b c在正方形网格中的位置如图所示.若向量ab与c共线,则实数（）A.2B.1C.1D.24.若数列na是公比不为1 的等比数列,且222018202004aax dx,则2017201920212023(2)aaaa（）A.24B.22C.2D.235.设xR,定义符号函数1,0sgn()0,01,0 xxxx,则下列等式正确的是（）A.sinsgn()sinxxxB.sinsgn()|sin|xxxC.sinsgn()sinxxxD.sinsgn()sin|xxx6.运行如图所示的程序框图,设输出的数据构成集合A,从集合 A 中任取一个

3、元素 a,则函数 yxa在（0,+）上是增函数的概率为（）|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页，共 12 页A.12B.25C.23D.347.已知函数32()17fxaxbxcx(,)a b cR的导函数为)(xf,0)(xf的解集为32xx,若)(xf的极小值等于98,则a的值是（）A.2281B.31C.2D.58.已知511xaxx的展开式中常数项为40,则a的值为（）A.2B.2C.2D.49.已知函数()2sin0)fxxww=（在区间,2 3pp轾-犏犏臌上是增函数,且在区间0,p上存在唯一的0 x使得()02fx

4、=,则w的取值不可能为（）A.13B.23C.45D.110.直线4x与双曲线C：2214xy的渐近线交于A、B 两点,设 P 为双曲线C 上的任意一点,若OBbOAaOP(a、bR,O 为坐标原点),则下列不等式恒成立的是（）A.2212abB.2218abC.2212abD.2218ab11.如图，在正方体 ABCD A B C D 中,平面垂直于对角线AC,且平面截得正方体的六个表面得到截面六边形,记此截面六边形的面积为S,周长为 l,则（）A.S 为定值,l 不为定值B.S不为定值,l 为定值C.S与 l 均为定值D.S与 l 均不为定值12.设函数32()341f xxxx,.若当时

5、,不等式(sin)(4)2f mfm恒成立,则实数的取值范围是（）A.1,2B.4,4C.2,D.,2二.填空题：本大题共4 小题,每小题 5 分。|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页，共 12 页文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10

6、K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y1

7、0G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR

8、10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y

9、5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码

10、:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2

11、G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6

12、ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B213.实数,x y满足2025040 xyxyxy,则24zxy的最大值是 _.14.现有编号为、的三个三棱锥（底面水平放置）,俯视图分别为图1、图 2、图 3,则至少存在一个侧面与此底面互相垂直的三棱锥的所有编号是_.15.已知抛物线C：22(0)ypx p=的焦点为F,准线l与x轴的交点为A,P是抛物线C上

13、的点,且PFx轴.若以AF为直径的圆截直线AP所得的弦长为1,则实数p的值为 _.16.设数列na的前n项和为nS满足：1(1)nnnSan n，1,2,nn则2019S_.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.(本题满分12 分)如图,ABCD、四点共圆,A为钝角且3sin5A,10BABC,6 5BD,（1）求AD;（2）设BDC,CBD,求sin(2)的值.18.(本题满分12 分)已知12,FF分别为椭圆222:1(0)4xybb的左

14、、右焦点.（1）当1b时,若P是椭圆上一点,且P位于第一象限,1254PF PF,求点P的坐标;|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 12 页文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5

15、HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H

16、5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档

17、编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8

18、T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G

19、6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10

20、N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G

21、2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2（2）当椭圆的焦距为2 时,若直线1:2lyxm与椭圆相交于1122(,),(,)A x yB xy两点,且1212340 x xy y,试求AOB的面积.19.(本题满分12 分)在四棱锥P-ABCD 中,底面 ABCD 是边长为22的正方形,平面 PAC底面 ABCD,PA=PC=2 2.（1）求证：PB=PD;（2）若点 M,N 分别是棱P A,PC 的中

22、点,平面 DMN 与棱 PB 的交点 Q,则在线段 BC 上是否存在一点H,使得 DQPH,若存在,求 BH 的长,若不存在,请说明理由.20.(本题满分12 分)有甲、乙两家公司都需要招聘求职者,这两家公司的聘用信息如下：甲公司乙公司职位A B C D 职位A B C D 月薪/元6000 7000 8000 9000 月薪/元5000 7000 9000 11000 获得相应职位概率0.4 0.3 0.2 0.1 获得相应职位概率0.4 0.3 0.2 0.1（1 根据以上信息,如果你是该求职者,你会选择哪一家公司？说明理由;（2）某课外实习作业小组调查了1000 名职场人士,就选择这两家

23、公司的意愿做了统计,得到以下数据分布：|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 12 页文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编

24、码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T

25、2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6

26、 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N

27、9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2

28、R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV

29、10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B

30、2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2选择意愿人员结构40 岁以上（含 40 岁）男性40 岁以上（含 40 岁）女性40 岁以下男性40 岁以下女性选择甲公司110 120 140 80 选择乙公司150 90 200 110 若分析选择意愿与年龄这两个分类变量,计算得到的K2的观测值为k15.5513,测得出“选择意愿与年龄有关系”的结论犯错误的概率的上限是多少？并用统计学知识分析,选择意愿与年龄变量和性别变量哪一个关联性更大？附：22()()()

31、()()n adbcKab cdac bd21.(本题满分 12 分)已知()lnf xx,设1122(,ln),(,ln)A xxB xx,且12xx,记1202xxx;（1）设()(1)g xf xax,其中aR,试求()g x的单调区间;（2）试判断弦AB的斜率ABk与0()fx的大小关系,并证明;（3）证明：当1x时,11lnxexxx.（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.(本题满分10 分)选修 44：坐标系与参数方程在平面直角坐标系xOy中,曲线C的参数方程为2 3cos2sinxyaa=?=?,其中a为参数,在以

32、坐标原点O为极点,x轴的正半轴为极轴的极坐标系中,点P的极坐标为2 2,4p骣琪琪桫,直线l的极坐标方程为2P Kk0.050 0.025 0.010 0.005 k3.841 5.024 6.635 7.879|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 5 页，共 12 页文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码

33、:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2

34、G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6

35、ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9

36、U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R

37、5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV1

38、0H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2

39、文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2sin4 204prq骣琪-+=琪桫.（1）求直线l的直角坐标方程与曲线C的普通方程;（2）若Q是曲线C上的动点,M为线段PQ的中点.求点M到直线l的距离的最大值.23.(本题满分10 分)选修 4-5：不等式选讲已知函数()f x=|21|2|x

40、xa,()g x=3x.（1）当a=2 时,求不等式()f x()g x的解集;（2）设1a,且当x 2a,12)时,()f x()g x,求a的取值范围.|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 6 页，共 12 页文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6

41、ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9

42、U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R

43、5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV1

44、0H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2

45、文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10

46、K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y1

47、0G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B22019 届“荆、荆、襄、宜四地七校考试联盟”高三 2 月联考数学（理）参考答案一、选择题BCDCD CCCAB BD 12、3()(1)(1)1f xxx，令3()g ttt，则121212()()2(1)(1)22(1)(1)0f xf xg xg xg xg x而()g t是 R 上的单调递增函数

48、，又是奇函数，于是12(1)(1)0 xx.故2sin4221sinmmmm此题是考察三次函数的对称中心.二、填空题：13.21 14.、15.216.2019112020216、1n，10S，2n时，11111212()111nnnnnSSSSSnnnnn11111111111()()1222212nnnnnnSSSSnnn故201920191120202S三、解答题：解答应写出文字说明,证明过程或演算步骤.17解：（1）3sin5A，且角A为钝角，234cos1()55A.在ABD中，由余弦定理得，2222cosADABAD ABABD，216800ADAD，解得4AD或20AD（舍），4

49、AD.6 分|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 7 页，共 12 页文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R

50、5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV10H5Y5G2R5 HR10N9U3Y10G6 ZA10K8T2G4B2文档编码:CV1

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本文标题：2021年湖北省“荆、荆、襄、宜四地七校考试联盟”2019届高三2月月考数学(理)试卷含答案.pdf
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