在日复一日的学习、工作或生活中，大家一定都接触过作文吧，作文是人们以书面形式表情达意的言语活动。那么你知道一篇好的作文该怎么写吗？以下是小编精心整理的大学英语四级作文范文：空气污染，欢迎阅读，希望大家能够喜欢。
It is reported that thick fog and haze surround many parts of China. People have to wear masks when they go out.As air pollution is getting increasingly worse,it has become the main concern of people.
Air pollution can have serious consequences for humans health and also severely affects natural ecosystems. Millions of people die of illnesses related to air pollution every year.Due to particles from exhaust emissions,green house effects result in warmer weather,acid rains corrode the earth,and frequent haze causes traffic problems.
Confronted with such situation,positive measures should be adopted. The government should keep its regulatory role for properly supervision. Related rules should be made out for reducing emissions of new vehicles and limiting high-emission vehicles.Factories should meet standards for curbing emissions of pollutants in surrounding cities.Meanwhile, provinces and municipalities in each target region should set up a mechanism for the joint prevention and control of air pollution.
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