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学术词汇使用较丰富，拼写做的很棒；文中从句数量稍显不足，注意个别有错误的句子；不能熟练使用过渡词，文章结构欠佳；请注意分段。
Air Pollution (l)With the industrialization of society and the introduction of motorized vehicles, air pollution has become a worldwide phenomenon.Now, many cities around the world, especially the big cities, are heavily polluted. People in these cities are breathing dirty air everyday. (2) Air pollutants can cause great harm to humans and the environment. (3)Millions of people around the world die each year from diseases directly attributable to air pollution, including lung and heart diseases, respiratory allergies, etc.(4) Chemicals in the smoke from power stations can travel hundreds of miles in the wind before falling to the ground in the rain. This "chemical rain" gradually destroys trees in the forests and kills fish in the lakes. (5) Now, it is urgent that we clean up the air. Factors should apply air pollution control technologies to reduce the pollutants. (6) To reduce pollution from mobile sources, the government should regulate the use of vehicles. (6) People should increase fuel efficiency such as through the use of hybrid vehicles, and converse to clean fuels or to electric vehicles.
