单项选择题

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

A．we want to stay psychologically and physically healthy
B．we do not want to be physically dent
C．we want to cooperate well
D．we do not want to be anxious

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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

Being in no great hurry ______.

A．it is decided to get there on foot
B．it is decided that we will get there on foot
C．decision was made that we will get there on foot
D．we decided to get there on foot