单项选择题

We can conclude from the passage that we need to control noise pollution if ______.

A．we want to stay both psychologically and physically healthy
B．we don' t want to be physically destroyed
C．we want to cooperate well
D．we don' t want to be anxious

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热门试题

单项选择题

According to the passage, people ______.

A．can not work better in a noisy situation
B．will suffer from complete deafness because of noise pollution
C．can be psychologically affected by working in very noisy factories
D．may cooperate well in noisy surrounding

单项选择题

People waiting at an airport ______.

A．enjoy hearing airplanes taking off and landing
B．are usually not troubled by the noise
C．can easily tell sound from noise
D．are often physically affected by the noise