基本信息
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，并标在试卷的相应位置。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. What is the man doing?
A. Offering help. B.Expressing thanks. C. Asking for permission.
2. How is the man?
A. He is dying. B. He feels quite well. C. His back hurts.
3. What is the man trying to do?
A. To buy the woman a toothpaste.
B. To sell the woman some products.
