一、听力测试（本题有2节，共20分
第一节（本节有5小题，每小题1分，共5分）
请听下面5段对话, 选出最佳选项，每段对话仅读一遍。
1. Where does the conversation most probably take place?
A. In a park. B. In a zoo. C. In a pet store.
2. What does the woman mean?
A. Things here are very cheap.
B. Things here are not cheap.
C. She doesn’t know whether things here are cheap or not.
