ter in the future .

　　(1)提出论题

　　（2）说明现状

　　（3）理由一

　　（4）理由二

　　（5）理由三

　　（6）理由三引起的后果

　　（7）解决方法

　　我写的模块（4）的相应的作文

　　                                                      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 common that (many trees and animals are near extinction, and the all-important 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

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