听下面一段材料,回答第1-3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. Encourage people to walk 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 |