第一部分 听力(共20个小题;每小题1分,满分20分)
Section A: 听对话,选择正确的信息,每段对话读两遍。
Conversation 1
1. What’s the woman doing now?
  A. She is cleaning a window.    B. She is reading a book.      C. She is writing a letter.
2. How long will the man probably wait?
  A. About 10 minutes.               B. About 15 minutes.          C. About 5 minutes.