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These days we often hear that . It is common that . Why does such circumstance occur in spite of social protects? For one thing ,. For another,. What is more, since ,it is natural that . To solve the problem is not easy at all, but is worth trying. We should do something such as to improve he present situation, and I do believe everything will be better in the future . 注释： 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 范文：pollution of environment These days we often hear that . It is common that Why does such circumstance occur in spite of social protects? For one thing , . For another, . What is more , since , it is natural that . To solve the problem is not easy at all, but is worthying. We should do something such as to improve the present situation , and i do believe everything will be better in the future . | 
