2014届云南省昆明市高三上学期第一次摸底调研测试英语试卷(带解析)

适用年级:高三
试卷号:80860

试卷类型:月考
试卷考试时间:2017/7/19

1.选择题(共13题)

1.已知函数f(x)=ex(x2+ax+a)(a∈R)

(Ⅰ)求f(x)的单调区间;

(Ⅱ)若a=﹣1,判断f(x)是否存在最小值,并说明理由.

2.已知曲线C1:y=ex与曲线C2:y=(x+a)2.若两个曲线在交点处有相同的切线,则实数a的值为{#blank#}1{#/blank#}.
3.若双曲线 {#mathml#}x2a2y2b2{#/mathml#} =1(a>0,b>0)的一条渐近线的斜率为2,则离心率e={#blank#}1{#/blank#}.
4.如图,已知F1、F2是椭圆G: {#mathml#}x2a2+y2b2=1(a>b>0){#/mathml#} 的左、右焦点,直线l:y=k(x+1)经过左焦点F1,且与椭圆G交于A、B两点,△ABF2的周长为 {#mathml#}43{#/mathml#} .

(Ⅰ)求椭圆G的标准方程;

(Ⅱ)是否存在直线l,使得△ABF2为等腰直角三角形?若存在,求出直线l的方程;若不存在,请说明理由.

5.如图,已知F1、F2是椭圆G: {#mathml#}x2a2+y2b2=1(a>b>0){#/mathml#} 的左、右焦点,直线l:y=k(x+1)经过左焦点F1,且与椭圆G交于A、B两点,△ABF2的周长为 {#mathml#}43{#/mathml#} .

(Ⅰ)求椭圆G的标准方程;

(Ⅱ)是否存在直线l,使得△ABF2为等腰直角三角形?若存在,求出直线l的方程;若不存在,请说明理由.

6.如图,点P在平面上从点A出发,依次按照点B、C、D、E、F、A的顺序运动,其轨迹为两段半径为1的圆弧和四条长度为1,且与坐标轴平行的线段.设从运动开始射线OA旋转到射线OP时的旋转角为α.若点P的纵坐标y关于α的函数为f(α),则函数f(α)的图象(   )

7.设a∈R,若复数z= {#mathml#}ai3+i{#/mathml#} (i是虚数单位)的实部为 {#mathml#}12{#/mathml#} ,则a的值为(   )
8.设a∈R,若复数z= {#mathml#}ai3+i{#/mathml#} (i是虚数单位)的实部为 {#mathml#}12{#/mathml#} ,则a的值为(   )
9.设a∈R,若复数z= {#mathml#}ai3+i{#/mathml#} (i是虚数单位)的实部为 {#mathml#}12{#/mathml#} ,则a的值为(   )
10.某人第一天8:00从A地开车出发,6小时后到达B地,第二天8:00从B地出发,沿原路6小时后返回A地.则在此过程中,以下说法中

①一定存在某个位置E,两天经过此地的时刻相同

②一定存在某个时刻,两天中在此刻的速度相同

③一定存在某一段路程EF(不含A、B),两天在此段内的平均速度相同.(以上速度不考虑方向)

正确说法的序号是{#blank#}1{#/blank#}.

11.某人第一天8:00从A地开车出发,6小时后到达B地,第二天8:00从B地出发,沿原路6小时后返回A地.则在此过程中,以下说法中

①一定存在某个位置E,两天经过此地的时刻相同

②一定存在某个时刻,两天中在此刻的速度相同

③一定存在某一段路程EF(不含A、B),两天在此段内的平均速度相同.(以上速度不考虑方向)

正确说法的序号是{#blank#}1{#/blank#}.

12.已知函数f(x)= {#mathml#}ex+aex1{#/mathml#} 为奇函数.
13.已知双曲线 {#mathml#}x2a2y2b2{#/mathml#} =1(a>0,b>0)的两条渐近线相互垂直,那么双曲线的离心率为{#blank#}1{#/blank#}.

2.单项选择(共12题)

14.
I've achieved a lot in my study, thanks to ____ who helped me.
A.othersB.thoseC.onesD.these
15.
-It will be cool to have______ summer drink in the heatwave.
-Sounds good!Let's try _____ great enjoyment.
A.不填; aB.a; theC.a;不填D.the; a
16.
-Will the book I ordered arrive in time?
-lt _______, if there is no traffic jam.
A.mustB.canC.shouldD.would
17.
With the computer’s system _________, it can’t be used at the moment.
A.updatingB.being updated
C.updatedD.to update
18.
The presents ______ on my birthday moved me a lot.
A.receivedB.were receivedC.receivingD.to receive
19.
The dress is very nice, but not ______ the girl's taste, for she is somehow particular.
A.forB.withC.byD.to
20.
. -Did you get ro the village before the sun set?
-No. It was already midnight. My bike ____ on the way.
A.has brokenB.was breakingC.breaksD.broke
21.
A good friend is a person________we tum for help when we are in trouble.
A.whoB.whom
C.to whomD.to which
22.
It was almost eight years Iater _____ the young man got his doctor's degree and became an  engineer.
A.sinceB.whenC.beforeD.that
23.
Lily managed to accomplish ______ the teacher encouraged her to do.
A.thatB.whatC.whichD.whether
24.
Mary's favorite is fiuit. _______ kind it is.
A.whateverB.whereverC.wheneverD.however
25.
-Shall we have a party this evening?
-lt's a deal_____.
A.I'II treatB.Thank youC.It's up to youD.Let me See
试卷分析
  • 【1】题量占比

    选择题:(13道)

    单项选择:(12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:1

    5星难题:0

    6星难题:11

    7星难题:0

    8星难题:0

    9星难题:0