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ringing death not only to human beings, but also to wild life.)From above, we can find that the reasons why (environment are polluted more and more seriously)are as follows. the primary reason, I think, is (the reason of harmful substances into environment. for example, to prevent insects, farmers make use of great amounts of insecticides, so as to have bumper harvests. however, they pollute air, water and land ).Second,(the gas ing from the car engines and factories also make environment polluted badly ). the third reason actually is (the result of a growing population in the world. everyday, so much litter and waste are poured out from houses, also pollute the environment ). The significance for (controlling pollution) noted that it39。s high time that more effective measures should be taken. Therefore, (new laws should be passed to limit the amount of pollutants from factories. moreover, in the households, there is an obvious need to reduce litter and waste. let39。s make our good efforts, and the world will 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 worth trying. We should do something such as (7) to improve he present situation, and I do believe everything will be better in the future.(1)提出論題(2)說明現(xiàn)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Pollution of environmentThese 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, s