听下面一段材料,回答第1至3题。 |
1. What are the speakers talking about? |
A. A way to improve air quality. B. A problem with traffic rules. C. A suggestion for city planning. |
2. What does the man suggest? |
A. Limiting the use of cars. B. Encouraging people to talk. C. Warning drivers of air pollution. |
3. What does the woman think about the man's idea? |
A. It's interesting. B. It's worth trying. C. It's impractical. |