噪音污染英语作文
在平平淡淡的学习、工作、生活中，大家都跟作文打过交道吧，作文是通过文字来表达一个主题意义的记叙方法。那么问题来了，到底应如何写一篇优秀的作文呢？以下是小编收集整理的噪音污染英语作文，仅供参考，希望能够帮助到大家。
we know the sounds of cities are loud enough to cause great harm to people's hearing in the u.s. one person out of twenty has got some hearing loss. and all over the world the situation is getting worse and worse all the time since the noise increases with the population.
with the development of machines, noise has also increased greatly in the 20th century. we live surrounded by loud planes, trucks and electric tools. tv sets and radios add up to 90 or j00 decibels, a certain unit used to measure the loudness of sound. a normal dialogue reaches 55 decibels; a plane goes to 100, and an ordinary train, reaching the station, can be twice as loud as the loudest plane. disco music reaches about 118. at 120 decibels the ear stops hearing sound, and pain starts. how terrible if things go on like this!
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