单项选择题

One of the harmful effects of noise on human performance is that ______.

A．it deprives one of the enjoyment of music
B．it drowns out conversation at worksites
C．it reduces one's sensitivity to sound
D．it makes the victim helpless in everything

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热门试题

单项选择题

A painter chooses certain shapes and colors out of the countless billions because he believes they

A．are easy to make out
B．can bring delight to him
C．are worth showing to the public
D．are particular

单项选择题

According to the author, even contemporary artists might choose subjects that only provide an interesting pattern

A．without reference to the character of their subjects
B．there is still something in them
C．that there is no meaning in it
D．partly for the meaning of the subjects