() 1. Playing computer games too often our eyes. A. is helpful to B. is harmful to C. is good for D. is bad to 题目和参考答案——青夏教育精英家教网—

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() 1. Playing computer games too often our eyes.

A. is helpful to B. is harmful to

C. is good for D. is bad to

1.B

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The environment nowadays is bad. There are many kinds of pollution around us, 1 air pollution,soil pollution,noise pollution and light pollution. They are bad 2 our 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 4 our environment dirty. People produce lots of rubbish. Farmers use too many chemicals in the fields. They destroy the soil. So soil pollution has become serious.

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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 eyes.

With 10 pollution,our planet will become greener and our health will be better. Let's be greener people.

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