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

<上一题目录下一题>

热门试题

单项选择题

Sound , as defined by the psychologist, ______.

A．can be measured in the same way that "noise" is measured
B．may be extremely harmful to health
C．is not at all different from "noise"
D．can be measured by machines

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