2014年apec会议期间,北京的天空一片湛蓝,幽默的国人把它称为“apec蓝”，这更使大家把焦点集中在了雾霾治理上。请你以“Let's do something to prevent the haze”为题，写一篇英语短文，呼吁大家为蓝天白云共同努力（初二的水平）
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The haze is a kind of air pollution and now it is being more and more serious. It is bad for the health and it may cause many diseases. Also it’s difficult for people to breathe. Because of the ter...