第一部分 听力（共15小题；每小题1分，满分15分）
听下面6段对话，选出最佳选项。每段对话读两遍。
Conversation 1
1. When does the bakery close?
A. At about 6:15. B. At about 7:00. C. At about 7:30.
2. What does the man want?
A. Bread. B. Cookies. C. Juice.
Conversation 2
3. Where does the conversation take place?
A. On the street. B. In the man's home. C. At a hotel.
4. How much does the woman have to pay?
A. 72 dollars. B. 40 dollars. C. 80 dollars.
