Do you often listen to music at loud volumes（音量）？You should know it is bad for your hearing，according to the World Health Organization （WHO）.
Over one billion young people are easy to lose their hearing because of listening to loud noise for a long time，said WHO.Listening to music or watching a TV show at loud volumes is bad for your hearing.
It is not safe to listen to sounds that are louder than 85 decibels（dB，分贝） for eight hours or 100 dB for 15 minutes.The sound of a busy road is about 85 dB and the sound of a rock（摇滚乐） concert can be about 100 dB.WHO said the safe sound is below 80 dB for about 40 hours a week.The sound of 80 dB is the same as the noise of a subway.
Loud noise is bad to the inner ear（内耳）.Most of us are born with about 16，000 hair cells（听毛细胞） in our inner ears.These cells detect （探测） sounds.However，listening to loud noise for a long time can make some cells die.This is why people lose their hearing.
（1）What is the safe sound according to the World Health Organization？ The safe sound is below 80 dB for about 40 hours a week.The safe sound is below 80 dB for about 40 hours a week.
（2）Why can listening to loud music bring people hearing problems？ Because listening to loud noise for a long time can make some cells die.Because listening to loud noise for a long time can make some cells die.
（3）What can you learn from the passage？ Loud noise is bad for our ears.Loud noise is bad for our ears.
【答案】The safe sound is below 80 dB for about 40 hours a week.；Because listening to loud noise for a long time can make some cells die.；Loud noise is bad for our ears.
【解答】
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声明：本试题解析著作权属菁优网所有，未经书面同意，不得复制发布。
发布：2024/5/18 8:0:8组卷：20引用：1难度：0.4
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