2012-2013学年黑龙江牡丹江一中高二下期期末考试英语卷(带解析)

适用年级:高二
试卷号:62287

试卷类型:期末
试卷考试时间:2017/7/19

1.选择题(共6题)

1.电视台与某广告公司签约播放两部影片集,其中影片集甲每集播放时间为19分钟(不含广告时间,下同),广告时间为1分钟,收视观众为60万;影片集乙每集播放时间为7分钟,广告时间为1分钟,收视观众为20万,广告公司规定每周至少有7分钟广告,而电视台每周只能为该公司提供不多于80分钟的节目时间(含广告时间).

(Ⅰ)问电视台每周应播放两部影片集各多少集,才能使收视观众最多;

(Ⅱ)在获得最多收视观众的情况下,影片集甲、乙每集可分别给广告公司带来a和b(万元)的效益,若广告公司本周共获得3万元的效益,记S= {#mathml#}16a{#/mathml#} + {#mathml#}10b{#/mathml#} 为效益调和指数(单位:万元),求效益调和指数的最小值.

2.满足 {y2x23x+1y2x1 的所有点M(x,y)构成的图形的面积为{#blank#}1{#/blank#}.
3.若函数f(x)=x2+ax+2b在区间(0,1)、(1,2)内各有一个零点,则 {#mathml#}b2a1{#/mathml#} 的取值范围为{#blank#}1{#/blank#}.
4.某工厂2016年计划生产A、B两种不同产品,产品总数不超过300件,生产产品的总费用不超过9万元.A、B两个产品的生产成本分别为每件500元和每件200元,假定该工厂生产的A、B两种产品都能销售出去,A、B两种产品每件能给公司带来的收益分别为0.3万元和0.2万元.问该工厂如何分配A、B两种产品的生产数量,才能使工厂的收益最大?最大收益是多少万元?
5.噪声严重污染环境,影响人们的生活和工作,已成为社会公害.下列措施中不能减弱噪声的是(   )
6.设约束条件 {#mathml#}{y0yxy2xtxt+1(0<t<1){#/mathml#} 所确定的平面区域为D.

2.单项选择(共11题)

7.
If I had followed her advice and worn _______ warm clothing, I wouldn’t have caught such _______ bad cold.
A.a; /B.a; aC./; aD./; /
8.
--I once got lost during my first visit to Beijing.
-- Oh, did you? You ____ me as your guide.
A.might have askedB.could askC.would have askedD.would ask
9.
This passage had many new words and the students could not _______ what the writer meant.
A.make outB.make upC.stand outD.stand for
10.
You were driving carelessly and your speed was above the limit. You’re the one _______.
A.blamedB.to be blamed forC.to blameD.blaming
11.
The two naughty boys were quiet when eating, and they were accustomed to ______ at meals.
A.talkB.talkingC.not to talkD.not talking
12.
In the recent coal mine accident, more than one hundred miners were left ______underground.
A.to be trappedB.trappedC.having trappedD.trapping
13.
________ is known to us all is that Antarctica is the coldest place on Earth.
A.ItB.AsC.WhatD.That
14.
I have taken jogging for about an hour every morning as my daily routine   _______the weather.
A.whateverB.howeverC.whicheverD.whenever
15.
I notice Linda is often absent from school because of illness. _______ she is not so healthy as she used to be?
A.Why is it that B.Is it why thatC.Why isD.Is it why
16.
How long do you think it will be _______ scientists succeed in providing a cure for cancer?
A.whenB.afterC.sinceD.before
17.
-- With fast economic development, more and more people can afford a   vacation abroad.
--- ________. I intend to go to Europe next year.
A.That sounds fineB.That goes without saying
C.That all dependsD.No one knows for sure
试卷分析
  • 【1】题量占比

    选择题:(6道)

    单项选择:(11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:5

    9星难题:1