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以环境为话题的英语作文
环境是指周围所存在的条件，总是相对于某一中心事物而言的。那么以环境为话题的英语作文有哪些呢?下面是小编为你介绍的关于环境话题英语作文，希望帮助到你。
关于环境话题英语作文
Since the winter last year，the haze has occurred a lot of times.Haze is air pollution in which is mixed up with dust， smoke and other dry particles ，and it obscure the clarity of the sky and interacts with the natural environment.This kind of air pollutant come from a variety of natural and manmade sources. Natural sources can include windblown dust， and soot from wildfires. Manmade sources can include motor vehicles， and industrial fuel burning， and manufacturing operations. The one of the main cause that touches off haze is manufacturing operations. Many factories were over measure produced the smog that had over the standard and the smog seriously influence the air become air pollution.
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