听下面一段材料，回答第1至3题。 1. What are the speaking about?A. A way to

2012-07-21 

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听下面一段材料，回答第1至3题。

1. What are the speaking 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-wall.
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.

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