2012-2013学年广东省汕头市金山中学高三上学期期中理科数学试卷(带解析)

适用年级:高三
试卷号:569147

试卷类型:期中
试卷考试时间:2017/7/19

1.选择题(共6题)

1.

She            her            every evening at home.

2.

She            her            every evening at home.

3.

She            her            every evening at home.

4.

—           does Rick go to bed?

—At 9 o'clock.

5.根据短文理解,选择正确答案。
    Bob works in an office. Every morning he has breakfast at seven thirty, reads his newspaper, drinks a cup of coffee and then goes to work. One morning, he is still at the table reading his newspaper at: 8 0'clock. He asks his wife for another cup of coffee. His wife asks him, “Aren't you going to the office today?” “The office?” He jumps up from his chair, "I think I am in the office."
6.根据短文理解,选择正确答案。
    Bob works in an office. Every morning he has breakfast at seven thirty, reads his newspaper, drinks a cup of coffee and then goes to work. One morning, he is still at the table reading his newspaper at: 8 0'clock. He asks his wife for another cup of coffee. His wife asks him, “Aren't you going to the office today?” “The office?” He jumps up from his chair, "I think I am in the office."

2.单选题(共3题)

7.
函数的图象大致是( )
A.B.
C.D.
8.
已知函数 ,其图象如右图所示,则点的坐标是()
A.B.C.D.
9.
已知满足线性约束条件,若,则的最大值是()
A.B.C.D.

3.填空题(共1题)

10.
的最大值为16,则__________

4.解答题(共1题)

11.
如图:某污水处理厂要在一个矩形污水处理池的池底水平铺设污水净化管道是直角顶点)来处理污水,管道越短,铺设管道的成本越低.设计要求管道的接口的中点,分别落在线段上.已知米,米,记

(Ⅰ)试将污水净化管道的长度表示为的函数
并写出定义域
(Ⅱ)若,求此时管道的长度
(Ⅲ)问:当取何值时,铺设管道的成本最低?并求出此时管道的长度
试卷分析
  • 【1】题量占比

    选择题:(6道)

    单选题:(3道)

    填空题:(1道)

    解答题:(1道)

  • 【2】:难度分析

    1星难题:0

    2星难题:0

    3星难题:0

    4星难题:0

    5星难题:0

    6星难题:0

    7星难题:0

    8星难题:0

    9星难题:5