听下面5段对话，每段对话后有一小题，听完每段对话后，你都有10秒钟的时间回答有关小题
和阅读下一小题，每段对话读两遍。
1. What are they talking about?
A. Soil pollution.
B. Noise pollution.
C. Air pollution.
2. What's the book about?
A. Saving electricity.
B. The environment.
C. Saving material.
3. What kind of bags does the woman use for shopping?
A. Basket.
B. Recycled plastic.
C. New plastic.
4. What made her uncomfortable?
A. Light pollution.
B. Water pollution.
C. Noise pollution.
5. What does the woman mean?
A. She's sad.
B. She's sorry to hear that.
C. She's glad to hear that.
