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英语作文 科普

发布时间:2014-01-04 15:47:31  

Nowadays ,many cities have the air pollution. But how can we solve it?

First, we can plant a lot of trees, trees can make air clean and fresh , trees can change carbon dioxide to oxygen, too. And then, we should drive less car, we should go out by bus, by bike or on foot. It can reducing vehicle exhaust emissions. Third, we should use of clean energy, for example Solar energy, Natural gas, and so on. Finally we should control of construction site dust, it can make air clean, too.

To make a long story short, there are a lot of ways to make air clean. If we start from the life, we can have a “blue-sky” day.

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