题目内容

20.听第10段材枓,田答第18至20題.
18.What's the topic of this passage?
A.Air pollution.    B.'Die polluted world.   C.The killer of the world.
19.Which way is NOT included in stopping air pollution?
A.Studying new ways of generating electricity.
B.Giving off less polluted gas.
C.Burning lots of fuels.
20.Which of the following is TRUE according (o the conversation?
A.Only developed countries should lake measures.
B.People have gained a victory over pollution.
C.Man is controlling pollution gradually.

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解答 ACC

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