中选出最佳选项， 并标在试卷的相应位置。听每段对话或独白前， 你将有时间阅读各个小题， 每小题5秒钟； 听完后， 各小题将给出5秒钟的作答时间。每段对话或独白读两遍。

听第6段材料，回答第6,7,8题。

6. Why does the woman want to go to the library?

A. To return some books.

B. To borrow some new books.

C. To find some test papers.

7. When does the library close?

A. At 9:00. B. At 9:40. C. At 10:00.

8. How long does the conversation last?

A. 10 minutes. B. 20 minutes. C. 5 minutes.

听第7段材料，回答第9至11题。

9. What was the man doing when the story happened?

A. Sleeping

B. Swimming

C. Listening to the radio.

10. What happened to the little boy?

A. His eye was hurt by the sand.

B. He couldn't find his parents.

C. He fell into the water.

11. What did the man do?

A. He went on enjoying the music.

B. He looked for the boy's parents.

C. He jumped into the water.

听第8段材料，回答第12至14题。

12. What is the probable relationship between the two speakers?

A. Teacher and student.

B. Husband and wife.

Manager and secretary.