第一节(共5小题；每小题1.5分，满分7.5分)
听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
1. When should the speakers reach the airport?
A. At 4:30. B. At 5:00. C. At 5:30.
2. What will the man do next?
A. Buy a phone. B. Make a call. C. Repair a phone.
3. What does the man want to be?
A. A teacher. B. A doctor. C. A writer.
4. What do we know about the woman?
A. She will move to Maine.
B. She has lived in Maine for 20 years.
C. Her son lives in Maine.
5. What is the man probably doing now?
A. Having a job interview. B. Visiting a company. C. Wandering in the market.