英语四六级考试优秀范文（4）

摘要：On Open Policy The open policy means that our country is open to investment, trade and technical and economic cooperation with other countries on the basis of equality and mutual benefit. The purpose of open policy is to acquire advanced te
作文地带题目：英语四六级考试优秀范文（4）
文章细节：作文地带整理 标题：英语四六级考试优秀范文（4） 发表时间：2011-10-10 18:50

Air Pollution

Air pollution is one of the major problems of the modern world. A great deal of energy is needed to run the factories of modern industrial nations. Automobile, trains, planes and busses need energy, too. Nearly all of this energy is produced by burning fuels. The burning produces wastes, some of which remain in the air, causing air pollution.来源：作文地带

Scientists are finding ways to stop air pollution especially in big industrial areas and densely-populated cities. They are studying new ways of generating electricity that may be less damaging to the environment. In the meantime, many power plants are being modernized to give off less polluted material. Also, engineers try to design and locate new power plants to do minimum damage to the environment.

However, it may be that we still have a long way to go before we have a "clean" world. Nearly all of the countries are trying hard to prevent and control air pollution. There indeed seems to be no end to tasks that environmentalists will be required to do. People will continually find new ways to control pollution.

 

作文地带整理英语作文
【在百度搜索更多与“英语四六级考试优秀范文（4）”相关英语作文】