1.听力(每小题1.5分,满分30分) 第一节;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。每段对话仅读一遍。
1. How long has the man been studying in Harvard University?
A.For one year. B. For three years. C. He has just graduated.
2. What does the man mean?
B.The light isn’t brig...