题型：语法填空（语篇） 题类：模拟题 难易度：普通
广东省深圳市2021年初中毕业生学业水平考试英语全真模拟试卷（6）
Do you often listen to music at loud volumes? You should know that this habit is bad for your hearing, according to the World Health Organization (WHO)．
Over 1 billion young people are at risk of hearing loss due to listening to loud
(noise) for a long time. It is not safe to listen to sounds that are
(loud) than 85 decibels (分贝) for eight hours or 100 dB for 15 minutes. Loud noises are (harm) to the inner ear. Most of us are born about 16，000 hair cells (听毛细胞) in our inner ears. These cells detect sounds. ，listening to loud noises for a long time can make these cells work too hard and cause some of them (die). This is what causes hearing loss.
Some people might think that their music isn't all that loud. But this can depend on you are. For example, if you are in a noisy place like the subway, you might turn up your music too loud without (realize) it. Later, when you listen to it at the same volume in a quiet place, it may sound (comfortable) loud.
WHO said the "safe level" for most sound is below 80 decibels for up to 40 hours week. A level of 80 decibels is roughly equal to the noise of a subway.
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