基本信息
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。听完每段对话的后，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 do we know about the professor?
A. He was late on purpose.
B. He was late because of a traffic jam.
C. He was unwilling to give the lecture.
2. What does the man mean?
A. He wrote it last term.
B. He never does work early.
