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this dictionary cost you?
I want to know he the exam.
Wu Yun doesn't run so Li Lei.
There are many kinds of pollution around us,1 air pollution, soil pollution, noise pollution and light pollution. They are bad 2our health in many ways.
Burning gas, oil and coal creates air pollution. It can cause sore eyes and 3 problems.
With the increase of pollution and the development of industry, litter is everywhere. It makes our environment dirty. People put lots of rubbish in the land. Farmers use too many 4 in the fields. They destroy the soil. So soil pollution has become serious.
Noise pollution can make people 5. For example, people may lose their hearing if they work in a 6 place for a long time. Too much noise can cause high blood pressure 7.
Working for a long time in strong, changeable light 8 cause some kinds of illnesses. It makes people feel 9 and is especially bad for the eyes.
With 10 pollution, our planet will become greener and our health will be better. Let's be greener people.
In today's world, almost everyone knows that air pollution and water pollution are harmful to people. However, not all people know that noise is also a kind of pollution and it is harmful to human beings too.
People who work and live under noisy conditions easily become deaf. Scientists believe that 10 percent of the workers in Britain are being deafened (变聋) by the noise where they work. Many of the workers who print newspapers and books, and who weave (织) cloth become deaf. Quite a few people living near airports also become deaf, Recently it was discovered that many teenagers in America could hear mo better than 65 year old people. for these young people like to listen to pop music and most of the pop music is a kind of noise.
Nowadays the governments in many countries have made laws to reduce or control noise and to make it less than 85 decibels (分贝). In China, the government is trying to solve not only air and water pollution problems but also the noise pollution problem.
