第一节（共5小题；每小题1分，满分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’s the possible relationship between the two speakers?
A. Boss and salesgirl.
B. Teacher and pupil.
C. Professor and assistant.
2. What are the two speakers doing?
A. They are greeting each other.
B. They are saying good-bye to each other.
C. They are planning to see each other.
