单选题_____AIt is seriously polluted.BThe air is very clear.CThere are few cars and factories.DIt remains what it was ten years ago.
单选题
_____
A
It is seriously polluted.
B
The air is very clear.
C
There are few cars and factories.
D
It remains what it was ten years ago.
参考解析
解析：
推断题。女士说以前这座城市很美，男士回答说现在这里却有了很多车辆和工厂。由此可以推断，现在由于这些车和工厂，这座城市已经被污染了，所以正确答案为A。
【录音原文】
W: What a nice city it was ten years ago. The air was clear and the water was clean.
M: Yes. Now there are too many ears and factories.
Q: What do we know about the city now?
推断题。女士说以前这座城市很美，男士回答说现在这里却有了很多车辆和工厂。由此可以推断，现在由于这些车和工厂，这座城市已经被污染了，所以正确答案为A。
【录音原文】
W: What a nice city it was ten years ago. The air was clear and the water was clean.
M: Yes. Now there are too many ears and factories.
Q: What do we know about the city now?
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