◎ 题干
听下面一段材料,回答第1-3题。
1. Whet 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 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.
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◎ 解析
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◎ 知识点
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