问题 选择题

Plastic bags won’t be allowed to be used for free in the supermarkets. They can’t _________ easily, which does great harm to our environment.

A.break off

B.break in

C.break down

D.break out

答案

答案:C

考查短语辨析。break off 中断,break in 插嘴,break down 分解,break out 发生,句意:塑料袋不允许在超市免费使用。它们不容易分解,对我们的环境有害。所以选C。

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