2013届陕西省长安一中高三第二次质量检测英语试卷

适用年级:高三
试卷号:89441

试卷类型:月考
试卷考试时间:2017/7/19

1.选择题(共7题)

1.设0≤θ≤2π,向量 {#mathml#}OP1{#/mathml#} =(cos θ,sin θ), {#mathml#}OP2{#/mathml#} =(2+sin θ,2﹣cosθ),则向量 {#mathml#}P1P2{#/mathml#} 的模长的最大值为(   )
2.设0≤θ≤2π,向量 {#mathml#}OP1{#/mathml#} =(cos θ,sin θ), {#mathml#}OP2{#/mathml#} =(2+sin θ,2﹣cosθ),则向量 {#mathml#}P1P2{#/mathml#} 的模长的最大值为(   )
3.设0≤θ≤2π,向量 {#mathml#}OP1{#/mathml#} =(cos θ,sin θ), {#mathml#}OP2{#/mathml#} =(2+sin θ,2﹣cosθ),则向量 {#mathml#}P1P2{#/mathml#} 的模长的最大值为(   )
4.

在△ABC中,内角A,B,C对边的边长分别是a,b,c,已知c=2,C= π3


(Ⅰ)若△ABC的面积等于 3 ,求a,b;

(Ⅱ)若sinC+sin(B﹣A)=2sin2A,求△ABC的面积.

5.已知 {#mathml#}a{#/mathml#} , {#mathml#}b{#/mathml#} 的夹角为120°,| {#mathml#}a{#/mathml#} |=2,| {#mathml#}b{#/mathml#} |=3,记| {#mathml#}m{#/mathml#} =3 {#mathml#}a{#/mathml#} ﹣2 {#mathml#}b{#/mathml#} , {#mathml#}n{#/mathml#} =2 {#mathml#}a{#/mathml#} +k {#mathml#}b{#/mathml#} .
6.已知等比数列{an}中,a2=2,a5=128.
7.某人得了脂肪肝病(即肝细胞中有过多的脂肪),那么,那么肝细胞中含量最多的化合物是(   )

2.单项选择(共7题)

8.
As teachers, we feel our duty to teach our children to be good wherever we are.
A.thisB.thatC.itD.there is
9.
If he can his natural ability with hand work, he should be very successful.
A.combineB.connectC.linkD.join
10.
They have the water supplies of the city.
A.cut offB.cut outC.cut downD.cut in
11.
What he said just now _____ me of that American professor.
A.mentionedB.informedC.remindedD.memorized
12.
__many times, he still didn’t make sense of it.
A.Having been toldB.Then he was told
C.Being toldD.He was told
13.
——Let’s go out for dinner tonight.
——OK. It doesn’t matter to me _____ we eat.
A.whether B. where     C. why D. when
14.
—Could I ask you a rather personal question?
— _______
A.Yes, don’t worry.B.Of course, go ahead.
C.Yes, help yourself.D.Of course, why not?
试卷分析
  • 【1】题量占比

    选择题:(7道)

    单项选择:(7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:6

    7星难题:0

    8星难题:1

    9星难题:0