2014届河北省承德市隆化存瑞中学高三上学期第二次月考英语试卷(带解析)

适用年级:高三
试卷号:75519

试卷类型:月考
试卷考试时间:2017/7/19

1.选择题(共4题)

3.某数学教师对所任教的两个班级各抽取20名学生进行测试,分数分布如表:

分数区间

甲班频率

乙班频率

[0,30)

0.1

0.2

[30,60)

0.2

0.2

[60,90)

0.3

0.3

[90,120)

0.2

0.2

[120,150)

0.2

0.1

(Ⅰ)若成绩120分以上(含120分)为优秀,求从乙班参加测试的90分以上(含90分)的同学中,随机任取2名同学,恰有1人为优秀的概率;

(Ⅱ)根据以上数据完成下面的2×2列联表:在犯错概率小于0.1的前提下,你是否有足够的把握认为学生的数学成绩是否优秀与班级有关系?

优秀

不优秀

总计

甲班

乙班

总计

k0

2.072

2.706

3.841

5.024

6.635

7.879

10.828

P(K2≥k0

0.15

0.10

0.05

0.025

0.010

0.005

0.001

K2=n(adbc)2(a+b)(c+d)(a+c)(b+d) ,其中n=a+b+c+d.

4.△ABC的内角A,B,C的对边分别为a,b,c,已知2cosC(acosB+bcosA)=c.

(Ⅰ)求C;

(Ⅱ)若c= {#mathml#}7{#/mathml#} ,△ABC的面积为 {#mathml#}332{#/mathml#} ,求△ABC的周长.

2.单项选择(共5题)

5.
As ________ mountains surrounding our village are turning much greener, they have become ________ home to a large number of wild animals.
A.the; /B.the; aC./; aD.the; the
6.
______in her best suit , the girl tried to make herself _____at the party.
A.Dressed ; noticedB.Dressing ; noticing
C.Dressed ; noticingD.Dressing ; noticed
7.
He could have finished it on schedule, but ________ he fell behind.
A.somehowB.anywayC.somewhatD.anyhow
8.
In the exam , the__________ you are, the__________ mistakes you’ll make.
A.carefully; littleB.more carefully, fewer
C.more careful; fewerD.more careful; less
9.
Is it he or you ________ in charge of the job and supposed to complete it on time?.
A.who isB.that isC.who areD.whom are
试卷分析
  • 【1】题量占比

    选择题:(4道)

    单项选择:(5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:5

    7星难题:0

    8星难题:0

    9星难题:0