Nowadays,more people are living closer together,and they use machines to produce leisure.As a result,they find that their leisure,and even their working hours,become（ ）by a byproduct of their machines,namely,noise.Noise is in the news;it has acquired political status,and public opinion is demanding,more and more insistently,that something be done about it.

单选题

Nowadays,more people are living closer together,and they use machines to produce leisure.As a result,they find that their leisure,and even their working hours,become（ ）by a byproduct of their machines,namely,noise.Noise is in the news;it has acquired political status,and public opinion is demanding,more and more insistently,that something be done about it.

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单选题

Nowadays people sometimes separate their waste to make it easier for it_______．

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单选题

Do you consider （　） more people over?

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单选题

Nowadays it is a well-known fact that second hand smoking does even more harm to human health.(2.0)

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问答题

The healthier people are, the more happiness they will experience.

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