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，填入答题卷标号为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。

　　　　　　　　　　 Environmental Protection

第一节：听力理解(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。

听第一段对话，回答第1-3题

1. What are the speakers mainly talking about?

A. A high school　　 B. A French teacher　　 C. A teaching post

2.　 Where is the high school?

　 A. In France　　 B. In England　　 C. In Scotland

3.　 What does the man think of the job?

　 A. Interesting　　 B. Boring　　 C. Disappointing

听第二段对话，回答第4-6题

4. Where does this conversation take place?

　 A. In Japan　　 B. In Brazil　　 C. In America

5.　 What does Naomi Okada say about the school?

　 A. The teachers are strict　　 B. The classes are big　　 C. The system is tough

6.　 Why does Naomi Okada say ELI is like home?

　 A. The class style makes him comfortable　　 B. He has many friends here

　 C. The classroom is comfortable

听第三段独白，回答第7-9题

7. Where will they visit on August 22^nd?

　 A. Mutianyu Great Wall　　 B. The Forbidden City　　 C. Tian’anmen Square

8.　 What can we learn about Mutianyu Great Wall?

　 A. It is a very crowded section of the wall　　 B. It is 90 km away northeast of Beijing

　 C. It isn’t as steep as other sections of the wall

9.　 Which of the following sports are on August 23^rd?

　 A. Handball, Diving, Table Tennis and Shooting

　 B. Hockey, Diving, Table Tennis and Swimming

　 C. Hockey, Volleyball, Diving and Table Tennis

听第四段对话，回答第10-12题

10. Why is the man in Boston?

　A. On holiday　 B. On business　　 C. For a performance

11. When is the man going to meet Frank?

　A. At 10 o’clock tomorrow morning　　 B. After his presentation tomorrow afternoon

　C. After 7 o’clock tomorrow evening

12. What else will the man do tomorrow?

　A. Meet with the sales director　　 B. Visit museums

　C. Take a tour around the city

听第五段独白，回答第13-15题

13. Which part of the United States is South Dakota in?

　A. The north　　 B. The south　　 C. The west

14. How many people are there per square mile in South Dakota?

　A. 16　　 B. 9　　 C. 69

15. When was gold discovered in South Dakota?

　A. In 1877　 B. In 1876　　 C. In 1874

36. 如图所示，在绝缘水平面上，相距为L的A、B两点处分别固定着两个带电量相等的正电荷，a、b是AB连线上的两点，其中Aa＝Bb＝L／4，O为AB连线的中点，一质量为m带电量为+q的小滑块(可以看作质点)以初动能E从a点出发，沿直线AB向b点运动，其中小滑块第一次经过O点时的动能为初动能的n倍(n>l)，到达b点时动能恰好为零，小滑块最终停在O点，求：

　　 (1)小滑块与水平面间的动摩擦因数.

　　 (2)O、b两点间的电势差U.

　　 (3)小滑块运动的总路程.