《2021年2019年普通高等学校招生全国统一考试理科数学(全国III卷)解析版.pdf》由会员分享，可在线阅读，更多相关《2021年2019年普通高等学校招生全国统一考试理科数学(全国III卷)解析版.pdf（17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、2019 年普通高等学校招生全国统一考试（全国III 卷）理科数学一、选择题1、已知集合 1|,2,1,0,12xxBA，则BA（）A.1,0,1B.B.0,1C.C.1,1D.D.2,1,0答案：A 解答：11|1|2xxxxB，所以 1,0,1BA.2.若iiz2)1(，则z（）A.i1B.i1C.i1D.i1答案：D 解答：iiz2)1(,iiiiiiiiiz1)1()1)(1()1(212.3.西游记三国演义 水浒传和红楼梦是中国古典文学瑰宝，并称为中国古典小说四大名著，某中学为了解本校学生阅读四大名著的情况，随机调查了100 位学生，其中阅读过西游记或红楼梦的学生共有90 位，阅读过
2、红楼梦的学生共有80 位，阅读过西游记且阅读过红楼梦的学生共有60 位，则该校阅读过西游记的学生人数与该校学生总数比值的估计值为（）A.5.0B.6.0C.7.0D.8.0答案：C 解答：|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页，共 17 页7.01006080904.42)1)(21(xx的展开式中3x的系数为（）A.12B.16C.20D.24答案：A 解答：由题意可知含3x的项为33142334121211xxCxxC，所以系数为12.5.已知各项均为正数的等比数列na的前4项和为15，且53134aaa，则3a（）A.16B
3、.8C.4D.2答案：C 解答：设该等比数列的首项1a，公比q，由已知得，4211134a qa qa，因为10a且0q，则可解得2q，又因为231(1)15aqqq，即可解得11a，则2314aa q.6.已知曲线xxaeyxln在点)1(ae，处的切线方程为bxy2，则（）A.ea,1bB.ea,1bC.1ea,1bD.1ea,1b答案：D 解析：令xxaexfxln)(，则1ln)(xaexfx，21)1(aef，得11eea.baef2)1(，可得1b.故选 D.|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页，共 17 页文档编码
4、:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7
5、HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 Z
6、V9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档
7、编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J
8、7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9
9、 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1
10、文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L1文档编码:CR3W2G7Z5J7 HB9N8L8W7N9 ZV9P3F10Z2L17.函数3222xxxy在 6,6的图像大致为（）A.B.C.D.答案：B 解析：32()22xxxyf x，332()2()()2222xxxxxxfxf x，()f x为奇函数，排除选项C.又334442424(4)8222f，根据图像进行判断，可知选项B 符合题意.
11、8.如图，点N为正方形ABCD的中心，ECD为正三角形，平面ECD平面ABCD，M是线段ED的中点，则（）A.ENBM，且直线ENBM,是相交直线B.ENBM，且直线ENBM,是相交直线C.ENBM，且直线ENBM,是异面直线|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 17 页文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编
12、码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y
13、1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R
14、9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K
15、9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M
16、10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8
17、P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V
18、8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5D.ENBM，且直线ENBM,是异面直线答案：B 解析：连结BD，因为点N为正方形ABCD的中心，所以点N为BD的中点，可知直线ENBM,都是平面BED内的直线，且不平行，即直线ENBM,是相交直线，设正方形ABCD的边长为a2，则由题意可得：aDBaDNaDMaDE22,2,2，根据余弦定理可得：BDEaaBDEDMDBDMDBBMcos249cos222222，BDEaaBDEDNDEDNDEENcos246cos22
19、2222，所以ENBM，故选 B.9.执行右边的程序框图，如果输出为01.0，则输出s的值等于（）A.4212B.5212C.6212D.7212答案：C 解析：|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 17 页文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P1
20、0Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S
21、5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:
22、CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y
23、3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9
24、HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P
25、9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10
26、 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5第一次循环：21,1 xs；第二次循环：221,211xs；第三次循环：3221,21211xs；第四次循环：43221,2121211xs；第七次循环：76221,21.21211xs，此时x成立，循环结束，可得输出的66221221.21211s.故选 C.10.双曲线C：22142xy的右焦点为F，点P为C的一条渐近线的点，O为坐标原点.若|POPF则PFO的面积为（）A:3 24B:3 22C:2 2D:3 2答案:A 解析：由双曲线的方程22042xy可得一条渐近线方程为22
27、yx；在PFO中|POPF过点P做PH垂直OF因为2t a nP O F=2得到32PH;所以13326224SP FO;故选 A;11.若()f x是定义域为R的偶函数，且在(0,)单调递减，则（）A.233231(log)(2)(2)4fffB.233231(log)(2)(2)4fffC.233231(2)(2)(log)4fff|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 5 页，共 17 页文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 Z
28、F8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z
29、9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文
30、档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA
31、8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D
32、7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX
33、5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S
34、5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5D.233231(2)(2)(log)4fff答案：C 解析:依据题意函数为偶函数且函数在(0,)单调递减，则函数在(,0)上单调递增；因为3331(log)(log 4)(log 4)4fff；又 因为233230221l o g4；所以233231(2)(2)(log)4fff；故选 C.12.设函数()si
35、n05f xx，已知()f x在0 2，有且仅有5个零点，下述四个结论：1()f x在0,2有且仅有3个极大值点2()f x在0,2有且仅有2个极小值点3()f x在0,10单调递增4的取值范围是12 29,510其中所有正确结论的编号是A.14 B.23 C.123 D.134答案：D 解析：根据题意，画出草图，由图可知122,x x，|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 6 页，共 17 页文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10
36、ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10
37、Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5
38、文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:C
39、A8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3
40、D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 H
41、X5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9
42、S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5由题意可得，125565xx，解得12245295xx，所以2429255，解得1229510，故4 对；令52x得3010 x，图像中y轴右侧第一个最值点为最大值点，故1 对；122,x x，()f x在0,2有2个或3个极小值点，故2 错；1229510，1149251051002，故3 对.二.填空题13
43、.已知a，b为单位向量，且0a b，若25cab，则cos,a c .答案：23解析：222225454 59cababa b，3c，225252a caabaa b，22cos,1 33a ca cac.14.记nS为等差数列na的前n项和，若10a，213aa，则105SS .答案：4解析：设该等差数列的公差为d，213aa，113ada，故1120,0daad，1101101551102 292 102452452aaadSdaaSadd.15.设1F、2F为椭圆1203622yxC：的两个焦点，M为C上一点且在第一象限，若21FMF为等腰三角形，则M的坐标为 _.答案：)15,3(|精
44、.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 7 页，共 17 页文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P
45、10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8
46、S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码
47、:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1
48、Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9
49、 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9
50、P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5文档编码:CA8Y1Y3D7R9 HX5K9P9S5M10 ZF8P10Z9V8S5解析：已知椭圆1203622yxC：可知，6a，4c，由