第一节：单项选择(共20小题，每小题1分，满分20分)

21. It’s not ___ good idea to drive for four hours without __________ break.

A. a ; a　 　　　　　　 B. the ; a　 　　　 C. the ; the　　 　　　　　　　 D. a ; the

第二节　 听下面5段对话，每段对话后有几个小题，从题中所给的A, B, C三个选项中选出最佳选项，并标在试卷的相应位置。每段对话读两遍。(共15小题，满分22.5分)

听第6段材料，回答6至8小题。

6.　　　 What are the two speakers mainly talking about?

A. The man’s company.　 B. A daily newspaper.　 C. Computer files.

7. When does this conversation take place?

A. In the morning.　　　 B. In the afternoon.　　 C. In the evening.

8. What is the most probable relationship between the speakers?

A. Friends.　　　　　　 B. Co-workers.　　　　 C. Boss and secretary.

听第7段材料，回答9至11小题。

9. Where does the conversation probably take place?

A. In a restaurant.　　　 B. In a factory. 　　　　C. In a store.

10. What do we know about the woman?

A. She acts on a rule.

B. She is impolite to the man.

C. She makes an exception for the man.

11. What will the man most probably do at last?

A. Have the player checked without charge.

B. Do as the woman suggests.

C. Get back his money.

听第8段材料，回答12至14小题。

12. A 3D television means　　　　　　 television.

A. 3-directional　　　　 B. 3-divisional　　　　　 C. 3-dimensional

13. Viewers of 3D television can do all BUT 　　　　　what they see on the screen.

A. hear 　　　　　　　B. taste　　　　 　　　　C. smell

14. Which of the following is CORRECT?

A. People who view 3D television will need special glasses.

B. Researchers in Japan have carried out the invention.

C. 3D television is different from 3D movies.

听第9段材料，回答15至17小题。

15. What is the woman?

A. A girl of public relations.

B. A clerk of after-sales service.

C. A manager of marketing department.

16. How long has the man kept the car?

A. For a few days.　　 B. For a few weeks.　　　 C. For a few months.

17. What is wrong with the man’s car now?

A. The oil light is always on.

B. The motor doesn’t work well.

C. The wheels keep up a terrible noise.

听第10段材料，回答18至20小题。

18. Where is the speaker most probably giving the talk?

A. At the entrance to the gardens.

B. In a restaurant of the gardens.

C. In the old family house.

19. What does the speaker tell the people to do first?

A. Have their lunch.　　 　　 B. Visit the collection.　 C. Walk through the gardens.

20. How many sections are the gardens divided into?

A. Two.　　　　　　 　　 B. Three　　　　　　 　　　 C. Four.

第一节　 听下面5段对话，每段对话后有一个小题，从题中所给的A, B, C三个选项中选出最佳选项，并标在试卷的相应位置。每段对话仅读一遍。(共5小题，满分7.5分)

1.　　　 What will happen next?

A. Jack will go to the cinema with Mary.

B. Mary will watch VCD in English with Jack.

C. There is no need for Jack to go to the cinema.

2.　　　 What will the woman do if she wants to make use of her remote controls correctly?

A .She has to remember the different shape of her remote controls.

B. She has to know the differences between each remote controls.

C. She has to recognize the different colors of her remote controls.

3.　　　 How old is the woman’s bicycle?

A. Four years old.　　 　　　 B. Five years old.　　　 C. Six years old.

4.　　　 Where does the dialogue probably happen?

A. In a library.　　　 　 B. In the countryside.　 C. On the football playground.

5.　　　 When can the book be borrowed from the library?

A. In June.　　　　　 B. In July.　　　　　　 C. In September.

21、已知动圆过定点，且与直线相切．

(1)求动圆圆心M的轨迹；

(2)过定点作直线交轨迹于、两点，是点关于坐标原点O的对称点， 求证：．

瑞安中学2008学年第二学期高二年级期中考试

20、已知函数在处取得极值．

(1)求的值；

(2)当时，恒成立，求的取值范围．

19、已知命题：关于的方程有两个不相等的负根，命题：关于的方程无实根，若为真，为假，求实数的取值范围．

18、已知椭圆的焦点坐标为，离心率，为椭圆上一点．

(1)求椭圆的标准方程；(2)若，求

17、若函数的图像如右图

所示，则　　　　　 ．

16、要制作一个容积为96的圆柱形水池(无盖)，已知池底的造价为30元/，水池侧面造价为20元/.如果不计其他费用，欲使建造的成本最低，则池底的半径应为　　 米．

15、若，，…，，，则=　　　　　 ．