A、Noise pollution. B、Air pollution. C、Water pollution. B关联句是第二段的Air pollution is the most serious kind of pollution. That’s bad

admin2012-04-28  18

问题

选项 A、Noise pollution.
B、Air pollution.
C、Water pollution.

答案B

解析 关联句是第二段的Air pollution is the most serious kind of pollution. That’s bad to all living things in the world. 空气污染是一种最严重的污染,因为它对全世界的生物都造成危害。
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