第二节　 听取信息(共5小题；每小题1分，满分5分)

听下面一段独白，请根据题目要求，从所听到的内容中获取必要的信息，填入答题卡标号为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60秒钟的作答时间。

第一节　 听力理解(5段共15小题；每小题2分，满分30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。

听第一段材料，回答第1-3题。

1. Why did the man look worried?

A. He got an expensive telephone bill.　　　　　　　　 B. He couldn’t afford the telephone bill.

C. His wife forgot to call his son.

2. What is the woman going to do?

A. Ask Jack to pay for the bill.　　　　　　　　　　　　　 B. Ask her father to pay for the bill.

C. Use her father’s bill to pay for the bill.

3. What is the relationship between the two speakers?

A. Mother and son.　　　　　　　　　　　　　　　　　　　　　 B. Husband and wife.

C. Teacher and student.

听第二段材料，回答第4-6题。

4. According to the conversation, what is one problem with arm exercises?

A. They can damage arm muscles.　　　　　　　　　　　 B. They aren’t acceptable to most people.

C. They can raise one’s blood pressure.

5. According to the conversation, what are the experts now suggesting?

A. Exercising the entire body.　　　　　　　　　　　　　　　　　 B. Having your blood pressure taken daily.

C. Exercising your legs more than your arms.

6. What forms of exercise does the woman mention?

A. Wearing arm weights while you are swimming.

B. Jogging vigorously in one place for a long time.

C. Using bicycles that require you to use both your arms and legs.

听第三段材料，回答第7-9题。

7. When does this conversation take place?

A. Just before the term begins.　　　　　　　　　　　　　 B. After the first week of classes.

C. In the middle of the term.

8. Why has the woman come to see Dr Taylor?

A. She had promised that she would.　　　　　　　　　 B. She has been sick.

C. She needs his approval (赞成) for her courses.

9. What does Dr Taylor seem most worried about?

A. She already knew the material.　　　　　　　　　　　 B. She entered the hospital.

C. Her course load was too heavy.

听第四段材料，回答第10-12题。

10. What bothers Nancy about her neighbor’s son?

A. Noise from his room.　　　　　　　　　　　　　　　　　　　　　 B. Noise from his car and radio.

C. Noise from his feet.

11. When does the noise stop?

A. When Nancy’s neighbor’s son turns off his car.

B. When Nancy’s neighbor’s son turns off the light.

C. When Nancy’s neighbor’s son turns off the radio.

12. What suggestion does Nancy’s friend make?

A. Say hello to her neighbor.　　　　　　　　　　　　　　 B. Give a little gift to her neighbor.

C. Say ugly names to her neighbor.

听第五段材料，回答第13-15题。

13. Where will the man be working during the summer?

A. In his father’s restaurant.　　　　　　　　　　　　　　　 B. In his uncle’s restaurant.

C. In a hotel.

14. Where is the woman going to work in the summer?

A. On the coast.　　　　　　　　　　　　　 B. On a ship.　　　　　　　　　　　 C. In a factory.

15. Why can’t the woman visit the man in the month of July?

A. Because she will be working on a ship.　　　　　

B. Because he will be working for his grandparents.

C. Because she will be working in the lab.

20．已知数列和满足：，，，()，

且是以为公比的等比数列．

(I)证明：；

(II)若，证明：数列是等比数列；

(III)求和：．

19．数列中，且满足()

⑴求数列的通项公式；

⑵设，求；

⑶设=，是否存在最大的整数，使得对

任意，均有成立？若存在，求出的值；若不存在，请说明理由．

18．数列是首项为1000，公比为的等比数列，数列满足

　　　　 　 ，

(1)求数列的前项和的最大值；(2)求数列的前项和．

17．已知等比数列的前项和为，且．

(1)求,的值及数列的通项公式；

(2)设，求数列的前项和．