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22.Not only I but also Brown and Kelly ___________ fond of rock music and computer games.

  A.is             B.are           C.am           D.be

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第一节 单项选择(共20小题,每小题1分,满分20分)

请根据题意,从21-40各小题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。

21.The company had about 20 notebook computers but only one third _________ used regularly.

Now we have sixty working all day long.

A.is             B.are           C.was          D.were

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第二节 听取信息 (共5小题;每小题1分,满分5分)

听下面一段对话,请根据题目要求,从所听到的内容中获取必要的信息,填人答题卡标号为16-20的空格中。听录音前,你将有10秒钟的阅题时间,录音读两遍。你将有90秒钟的作答时间。

Both Dave and Maria are now living in the same  16 ____________________.Dave’s major is
17 _____________________ and now he is doing a  18 ___________________ job as a cook to pay for his tuition.He works  19 _________________. Maria changed majors from French to computer science because she found she might have difficulty finding a job 20 _________________.

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第一节 听力理解 (5段共15小题,每小题1分,满分15分)

每段播放两遍。各段后有几个小题,各段播放前每小题有5秒钟的阅题时间。请根据各段播放内容及其相关小题,在5秒钟内从题中所给的A、B、C项中,选出最佳选项,并在答题卡上将该项涂黑

听第1段材料,回答第l至3题。

1.The man feels bad because ________.

    A.there’s something wrong with his back 

    B.he hasn’t found a job  

    C.he has nobody to talk to

2.It seems that the man regrets ________.

    A.staying where he is now                   B.staying in the mountains  C.not going out

3.Which of the following is not true?

    A.The man enjoys seeing Andis Nanco.

    B.Both the man and woman are likely to pay a visit to Puerto Rico.

    C.The man speaks good Spanish.

听第2段材料,回答第4至6题。

4.The man didn’t ask a policeman for help because ________.

    A.he parked his car in the wrong place

    B.he didn’t know where he parked his car

    C.he thought he could find his car himself

5.The man finally found his car ______.

     A.by chance        

    B.with the help of a policeman    

    C.with the help of his friend

6.We can know from the passage that ________.

    A.the man will never drive in crowded cities

    B.the man is a stranger to the city

    C.isn’t familiar with the place where his friend works

听第3段材料,回答第7至9题。

7.Which of the following is not the reason why the girl is not allowed to go to a movie?

    A.going to work       B.baby-sitting        C.doing a project

8.The film will be shown ________ times on Saturday.

    A.3              B.4               C.5

9.The girl will go to see the film at ________o’clock.

    A.5              B.7:15           C.9

听第4段材料,回答第10至12题。

10.If Susan doesn’t go to the dentist on Saturday she will have to make a ________ appointment.

    A.third          B.fourth           C.fifth

11.Susan will have _______ different things to do on Saturday.

    A.4              B.5              C.6

12.It is likely that the boy and girl will ________.

  A.take a walk down by the lake   

    B.go to a movie    

    C.play a game at home

听第5段材料,回答第13至15题。

13.Sometimes the man sleeps only about ________ hours.

    A.3               B.5               C.7

14.Which of the following statements is not true of the man?

    A.He usually works on the computer for an hour in the morning.

    B.He has to walk a long way to work after getting off the bus.

    C.He has a website of his own.

15.Before the man begins to work on his site he usually ________.

    A.plays with his kids until they go to sleep

    B.does some reading

    C.spends some time watching TV or talking with his wife

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20.(本题满分13分)

在平面直角坐标系上,设不等式组所表示的平面区域为,记内的整点(即横坐标和纵坐标均为整数的点)的个数为

(1)求;并求数列的通项公式

(2)数列的和前项为,求数列的前n项和;

(3)设,数列的和前项为,求证:

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19.(本题满分13分)

已知为常数,,函数且方程有等根.

(1)求的解析式及值域;

(2)设集合,若,求实数的取值范围;

(3)是否存在实数,使的定义域和值域分别为?若存在,求出的值;若不存在,说明理由.

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18.(本题满分12分)

已知数列是等差数列,;数列的前n项和是,且

(1)求数列的通项公式;   

(2)求证:数列是等比数列;

(3)记,求的前n项和

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17.等差数列的前项和为30,前项和为100,则它的前项的和为________.

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16.利用基本不等式求最值,下列各式运用正确的有______.(把你认为正确的序号都填上) 

   ① 

   ②

   ③ 

   ④

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15.(本题满分13分)某厂用甲、乙两种原料生产A、B两种产品,已知生产1吨A产品,1吨B产品分别需要的甲、乙原料数,可获得的利润数及该厂现有原料数如下表所示.问:在现有原料下,A、B产品应各生产多少才能使利润总额最大?利润总额最大是多少?列产品和原料关系表如下:

 
 

原料

 

A产品
(1吨)
B产品
(1吨)
总原料
(吨)
甲原料(吨)
2
5
10
乙原料(吨)
6
3
18
利润(万元)
4
3
 

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