一、听短对话，回答问题。 (共5小题，计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，并标在试题的相应位置。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. How much is the blue MP3?
A. 400 dollars. B. 300 dollars. C. 100 dollars.
2. When did the man come back?
A. Thursday. B. Monday. C. Tuesday.
3. Why does the woman look tired?
A. She listens to music too late these days. B. She can’t sleep well.
C. She works too hard.
4. How did they go to the park yesterday?
A. By bike. B. By bus. C. On foot.
5. Where is the woman now?
A. At the office. B. In her house. C. In a hospital.
