选项中选出最佳选项，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题。

6. What can't Janie understand?

　A. Her math homework. B. Her history test. C. Her English paper.

7. Who will the man help?

　A. His father. B. His sister. C. The woman.

　听第7段材料，回答第8至10题。

8. Who read to the girls?

　A. The woman. B. Only the man. C. The man and his wife.

9. When did the girls start reading well?

　A. At five. B. At six. C. At seven.

10. What does the man think the woman's son should do now?

A. Read a lot.

B. Do whatever he likes.

C. Learn from the man's daughters.

听第8段材料，回答第11至13题。

11. What's wrong with the man?

A. He has got a cold again.

B. He gets tired easily in winter.

C. He has been seriously ill for a week.

12. What may the man begin to try?

A. Riding a bike. B. Going to the gym. C. Climbing the stairs.

13. What is the probable relationship between the speakers?

A. Co-workers. B. Husband and wife. C. Doctor and patient.

听第9段材料，回答第14至16题。

14. Who is the man probably?

A. The house owner.

B. The woman's father.

C. The woman's husband.

15. What was fixed last year?

A. The TV set. B. The fridge. C. The washing machine.

16. What will the man do next week?

A. Repair the sofa.

B. Have the TV set checked out.

C. Replace the bedroom air conditioner.

听第10段材料，回答第17至20题。

17. Where is Las Vegas?