Man and His Environment 　　Throughout history man has changed his physical environment in order to improve his way of life. With the tools of technology he has altered many physical features of the earth. He has transformed woodlands and prairies into farms and made lakes and reserviors out of rivers for irrigation purposes or hydroelectric power. Man has also modified the face...[继续阅读]

    Save the Wild Animals 　　1．许多野生动物正面临绝种的危险。 　　2．为了保护野生动物，必须采取措施。 　　3．只有采取有力措施，才能保护野生动物。 　　Many wild animals are facing the danger of extinction, because the environment that they are living in has changed greatly. For example, with the developmet of cities, the using of ...[继续阅读]

    Protection of the Environment 　　Once man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be unlimited. 　　Today things are different. The world has become too crowded. We are using up our natural resources,and polluting our environment with dangerous chemicals. If we continue to do this, human life ...[继续阅读]

     　　The Yangzte River is the longest river in China. And it＇s important and helpful to us Chinese. But these days the Yangtze River is bringing us serious floods. 　　Many villages were destroyed by floods. The floods made hundreds of millions of people lose their homes, relatives and friends. Many children can＇t go to school as usual .Now the foods have drawn the attention of t...[继续阅读]

     　　It is generally believed that there is a good supply of fresh water. But to our disappointment, the fact is just the opposite. 　　As we can see, the world population is growing rapidly day by day. So enough fresh water is needed to feed such a big population. What’s more, with the development of industry, factories and vehicles produce poisonous gases or wastes, which consequ...[继续阅读]

     　　The world we live in is becoming more and more intolerable because of environmental destruction. Bird flu and Sars are two typical examples that environmental destruction may threaten our life. Besides， forest destruction ， water and air pollution result in decrease of planting land and unpleasant weather. 　　Serious as the problem seems， we can come up with some measures...[继续阅读]

     　　Some people believe that the Earth is beingharmed(damaged) by human activity. Others feel that human activitymakesthe Earth a better place to live. What is your opinion?Usespecific reasons and examples to supportyouranswer. 　　People have been living on the Earth for thousands of years.Humanactivity influences the Earth. Some people believe that theEarth isbeing harmed by human...[继续阅读]

    Topic: 　　Environmental problems are as big as not for individual country or individual people to address. In other word, we have reached the stage that environmental problems be solved for international view. To what extent do you agree or disagree? 　　In recent years, many nations have become more aware of the environmental issues each nation faces, such as air and water pollutio...[继续阅读]