第一部分：听力（共两节，每题1.5分，满分30分）
第一节听下面5段对话。每段对话仅读一遍。
1. How much did the man pay for the watch?
A. $200. B. $140. C. $30.
2. What does the woman like most about Nina’s parties?
A. The great music.
B. The delicious food.
C. The chance to meet many people.
3. What are the speakers going to do next?
A. Go for a walk. B. Work on a report. C. Return some books.
