【正文】 trees corps aredestroyed　by bad air .many fish die of poisonous water . thousandsof people die from eating poisoned fish or breathing in gas . therefore ,environmental pollution should be responsible for these diseasesthat are disabling ,or bringing death not only to human beings ,but also to wild life .)from above ,we can find that the reasons why (environment are pollutedmore and more seriously) are as follows.　the primary reason ,I think , is (the reason of harmful substances intoenvironment . for example ,to prevent insects ,farmers make use of greatamounts of insecticides, so as to have bumper harvests . however ,theypollute air ,water and land ).second,(the gas ing from the car engines and factories also makeenvironment polluted badly ).the third reason actually is (the result of a growing population inthe world . everyday , so much litter and waste are poured out from houses ,also pollute the environment ).the significance for (controlling pollution ) noted that it\39。s make our good efforts ,and the worldwill be a safer place to live for us ).（I）說明原因型模塊（5）These days we often hear that ( 1 ).It is mon that ( 2 ). Why does such circumstance occur in spite of social protects? For one thing ,( 3 ).For another,( 4 ). What is more,since ( 5 ),it is natural that ( 6 ).To solve the problem is not easy at all ,but is worthtrying .We should do something such as ( 7 )to improve he present situation ,and i do believe everythingwill be better in the future .(1)提出論題（2）說明現狀（3）理由一（4）理由二（5）理由三（6）理由三引起的后果（7）解決方法我寫的模塊（5）的相應的作文 pollution of environment These days we often hear that (our living conditions are getting more and more serious because of the destruction of our environment ).It is mon that (many trees and animals are near extinction, and the allimportant food chain has been destroyed .). Why does such circumstance occur in spite of social protects? For one thing ,(the population of the world is increasing so rapidly that the world has been so crowded. ).For another,(the overuse of natural resources has influenced the balance of natural ecology ). What is more , since ( the industrial revolution ) ,it is naturalthat (a great number of factories have been springing up like mushrooms .The smoke and harmful chemicals released from factories also pollute the environment ). To solve the problem is not easy at all ,but is worthying .We should do something such as (planting more trees , equipping cars with pollutioncontrol devices and learning to recycling natural resources )to improve the present situation ,and i do believe everything will be better in the future .作文的開頭一篇文章通?？煞譃槿齻€部分，即開頭、正文和結尾。 文章的開頭一般來說應盡量做到開門見山，用簡單明白的敘述引出文章的話題，使讀者了解文章要談論什么，一下于引起讀者的興趣。如“How I Spent My Vacation”(我怎樣度假)的開頭是： I Spent my last vacation happily． 下面是題為Honesty(談誠實)一文中的開頭： Honesty is one of the best virtues．An honest man is always trusted and respected．On the contrary, one who tells lies is regarded as a liar，and is looked upon by honest people． 2．交代人物、事情、時間或環(huán)境開頭 在文章的開頭，先把人物、事件和環(huán)境交待清楚。例如A Trip to the Taishan Mountain(泰山游)的開頭是： I remember my first trip to the Taishan Mountain as if it were yesterday. 4．概括性的開頭 即對要在文章中敘述的人或事先作一個概括性的介紹。如“An Accident”(一場事故)的開頭是: It was a rainy and windy morning. The sky was gloomy, the temperature was low, and the street was nearly empty. I was on my way back to school. Suddenly, a speeding car came round the corner. 6．交待寫作目的的開頭。如 Pollution Control (控制污染)的開頭： In this article I shall draw your attention to the subject of pollution control.