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。

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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1段对话，回答第1至3三个小题。

1. Where does the talk take place?

A. At the boy’s home. 　 B. At the girl’s home.　 　 　 C. At Robert’s home.

2. What are the speakers doing?

A. Getting ready to go out to a party.

B. Preparing for their friend’s birthday.

C. Finishing their history project.

3. What do the speakers think of Robert?

　 A. Helpful.　　 B. Humorous.　　　 C. Mature.

听第2段对话，回答第4至第6三个小题。

4. What was the woman’s problem?

A. She was unable to attend her psychology class.

B. Her presentation received a poor grade.

C. She felt embarrassed talking in public.

5. Why might looking at the exit sign help the woman?

A. She’d be able to leave quickly.

B. She’d be less nervous.

C. She’d know when her professor arrived.

6. What does the man say about children?

A. They become nervous more easily than women do.

B. They’re uncomfortable performing in front of adults.

C. They become nervous less frequently than adults do.

听第3段独白，回答第7至第9三个小题。

7. Who are the people listening to this talk?

A. School students.　　　　 B. Adult cooking students.　　　 C. TV watchers.

8. What is used to make the bananas creamy?

A. An electric mixer.　　　 B. A wooden spoon.　　 C. A large bowl.

9. Why is butter placed on the bottom of the baking dish?

A. To give the cake more flavour.

B. To stop the cake sticking to the dish.

C. To help the cake bake faster.

听第4段对话，回答第10至第12三个小题。

10. Why doesn’t the woman like the red skirt?

A. It is too short.

B. It makes her feel hot.

C. It is made of cotton.

11. What colour is the jacket the woman finally chooses?

A. Pink.　 B. Black.　　 C. Green.

12. How does the man feel about the woman’s decision?

A. He is happy because he likes the clothes.

B. He is bored because he dislikes choosing clothes.

C. He is upset because the clothes are expensive.

听第5段独白，回答第13至第15三个小题。

13. What is the purpose of this talk?

A. To teach students how to study better.

B. To attract teachers to work at the City Study Centre.

C. To encourage parents to send their children to the Centre.

14. What are the advantages of the Centre?

A. Small classes and higher marks guaranteed.

B. Best teachers and convenient class time.

C. Convenient location and efficient teaching methods.

15. What else can students do in the Centre?

A. To meet with other local students.

B. To take part in dancing competitions.

C. To go on some camping trips.

25．水平放置的光滑导轨MM’和NN’间接有电阻R，导轨左右区域分别处于不同方向的匀强磁场中，磁场方向如图所示，磁感应强度的大小分别为B₁和B₂，虚线为两区域的分界线，一根金属棒ab放在导轨上且与其垂直，棒与导轨电阻均不计，金属棒在水平向右的恒力F作用下，先后经过左、右两区域，已知棒在左边区域中恰好做速度为v的匀速运动，则当棒进入右边区域中时，下列说法正确的是

A．若B₁=B₂，棒所受磁场力方向不变，棒仍做匀速运动

B．若B₁=B₂，棒所受磁场力方向改变，棒做匀加速运动

C．若B₂<B₁ ,棒先做加速运动，然后做匀速运动

D．若B₂<B₁ ，棒做减速运动，然后匀速运动