第一节（共5小题；每小题1.5分，满分7.5分）
请听下面5段对话，选出最佳选项。
1. What time is it now?
A.1:45 B.2:00 C.2:45
2. What does the woman tell the man to do?
A. Fetch his camera. B. Make a phone call. C. Take pictures with her phone.
3. Who will begin the lecture now?
A. Dr. White. B .Prof. Brookings. C. Dr. Mildens.
