一、听力（共两节，计30分）
第一节（共5小题，每小题1.5分，满分7.5分）
听下面5段小对话，从每小题所给的三个选项中选出最佳答案。每段对话仅读一遍。
( )1. A. 8:20. B. 8:40. C. 8:10.
( )2. A. 20 dollars. B. 4 dollars. C. 16 dollars.
( )3. A. October. B. September. C. December.
( )4. A. In a company. B. In an office. C. In a classroom.
( )5. A. Watching news. B. Watching TV plays. C. Watching football games.
