第一节（共9小题；每小题1分，满分9分）
听下面 9 段对话。每段对话后面有一个小题，从题后所给的A、B、C 三个选项中选出最佳选项。每段对话仅读一遍。
（ ）1. A. 3 months B. 3 weeks C. Several months
（ ）2. A. Jim B. Tom C. Lisa
（ ）3. A. Because it’s much warmer. B. Because of pollution. C. The sun is bigger.
（ ）4. A. For 4 days. B. For 3 days. C. For 2 days.
（ ）5. A. Even worse. B. Much better. C. Very well.
（ ）6. A. His bike. B. His key. C. His books.
（ ）7. A. Coal. B. Gas. C. Electricity.
（ ）8. A. In cities. B. In town. C. In the countryside.
