第一节（共5小题：每小题1.5分，满分7.5分）
听下面5段对话。每段对话后有一小题，从题中所给出的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 does the man mean?
A. He only knew one person at the party.
B. His brother wanted to go to the party.
C. Only he and his brother went to the party.
2. Where is probably Tom?
A. At home. B. On the way. C. In the office.
3. What can we know about Karen?
A. She is out of work now.
B. She is careful about everything.
C. She didn’t listen to the speakers’ words.
4. What is the probable relationship
