优秀的作文范文可以帮助大家打开写作思路，提高写作水平，下面是小编为大家准备的一篇英语四级范文，供大家参考、学习。

　　Directions: For this part, you are allowed 30 minutes to write a short essay entitled Air Pollution following the outline given below. You should write at least 120 words but no more than 180 words.

　　1. 近年来空气污染严重

　　2. 空气污染引发的危害

　　3. 有什么解决办法

　　参考范文：

　　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 human’s 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.

　　点评：

　　文中从雾霾和人们带口罩出门引出空气污染这一话题，然后在第二段中谈及空气污染对人类健康和自然生态系统的影响，在最后一段中分别指出政府，工厂及省、市等需要采取措施解决空气污染的问题。

　　第一段中thick fog and haze意为“雾霾”，getting increasingly worse意为“日益恶化”;第二段中severely affects natural ecosystems意为“严重影响自然生态系统”，exhaust emissions意为“废弃排放”，green house effects意为“温室效应”，corrode意为“腐蚀”;第三段中keep its regulatory role意为“发挥其监管的职责”;curbing emissions of pollutants意为“减少污染物的排放”。

    希望以上这篇四级范文对大家有帮助。

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