单选题
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
【正确答案】
C
【答案解析】
[精解] 因为噪音会导致人的听力失聪hearing loss，即是reduce sensitivity。
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