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【可下载】四川省绵阳南山中学实验学校2024-2025学年高二下学期5月期中数学(含部分解析)

  • 2026-09-17 22:06:42
【可下载】四川省绵阳南山中学实验学校2024-2025学年高二下学期5月期中数学(含部分解析)

数学

完成时间:120分钟满分:150分

注意事项:

1.答卷前,考生务必将自己的姓名、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,用铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。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,将答题卡交回。

一、单项选择题:(本大题共8小题,每小题5分,共40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.已知数列的首项为1,(     )

A.1B.2C.4D.8

2.已知函数,则(     )

A.2B.-2C.1D.-1

3.某城市的汽车牌照号码由个英文字母后接个数字组成,其中个数字互不相同的牌照号码共有(     )个

A.B.C.D.

4.函数的导函数的图象如图所示,则下列说法正确的是(     )

在处取得极小值

B.函数在处取得极大值

C.函数在上单调递增

D.函数的递减区间为

5.从4名男生和3名女生中选出4人参加某个座谈会,若这4人中必须既有男生又有女生,则不同的选法共有(     )

A.140种B.120种C.35种D.34种

6.在等比数列中,是函数的极值点,则(     )

A.3B.C.D.9

7.高二某班为了准备校园樱花文化节活动的展示牌,计划用5种不同颜色的笔书写图中A、B、C、D四个区域的文字,规定每个区域只用一种颜色的笔书写文字,相邻区域书写的文字颜色不同,则不同的书写方法数为(     )

A.120B.160

C.180D.240

8.设数列的前项之积为,满足,则()

A.B.C.D.

二、多选题:(本大题共3小题,每小题6分,共18分.在每小题给出的选项中,有多项符合题目要求.全选对的得6分,部分选对的得部分分,有选错的得0分)

9.到了毕业季,我校科技创新兴趣小组内的5名同学要站在一排进行拍照留念,则下列说法正确的是(     )

A.所有不同的排法种数为120种

B.如果甲同学和乙同学必须相邻,则所有不同的排法种数为48种

C.如果甲同学不站在第一个位置,也不在最后一个位置,则所有不同的排法种数为48种

D.如果甲和丙不能相邻,则所有不同的排法种数为72种

10.设数列是以为公差的等差数列,是其前n项和,,且,则下列结论正确的是(     )

A.B.

C.使>0成立的的最大值为14D.为的唯一最大值

11.已知不等式在上恒成立(当且仅当时等号成立),下列不等式正确的是(     )

A. B.

C.D.

三、填空题:(本大题共3小题,每小题5分,共15分)

12.在的展开式中,常数项是.

13.我校新采购了5套不同的实验器材,预计分配到高一、高二、高三三个年级的实验室,要求每个年级至少分到1套实验器材,那么共有种不同的分配方案.

14.已知等差数列的前项和为,且.在与之间插入个数,使这个数组成一个公差为的等差数列.若对任意的,总存在,使得,则实数的取值范围是 .

四、解答题:(本大题共5小题,共77分.解答应写出文字说明、证明过程或演算步骤)

15.(13分)已知函数

(1)求曲线在点处的切线方程;

(2)若,求函数的最大值与最小值.

16.(15分)已知等差数列和正项等比数列满足:

(1)求数列的通项公式;

(2)记,数列的前项和为,求.

17.(15分)已知函数.

(1)设函数,若在定义域上存在减区间,求实数的取值范围;

(2)若对任意的,且,求实数的取值范围.

18.(17分)已知数列,若,且.

(1)证明数列是等比数列,并求出的通项公式;

通过网盘分享的文件:试卷10

链接: https://pan.baidu.com/s/1NLwjjiMT7FuK3ySySi0-Xw?pwd=4321 提取码: 4321 

--来自百度网盘超级会员v8的分享

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  12. SELECT * FROM `article` WHERE `id` > 476000 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000377s ]
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  14. SELECT * FROM `article` WHERE `id` < 476000 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000598s ]
  15. SELECT * FROM `article` WHERE `id` < 476000 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000531s ]
0.075363s