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Report 类文章常用结构及句型Para 1 介绍背景并引出话题 In this day of change,the human society is progressing rapidly on various fronts.Yet at the same time,many problems have arisen,a serious one of which is This issue has drawn widespread attention.In this essay,some possible causes of this phenomenon will be analyzed and some solutions will be proposed.Para 2写2-3个原因，各个原因后写1-2句支撑句，支撑句最好为复杂句。It is obvious that the causes of are diverse/multiple/manifold或者 A wide range/array of/various factors contribute toIn the first place/to begin with,For instanceIn the second place,SpecificallyThirdly It seems thatPara 3写2-3个解决方案，各个方案后写1-2句支撑句，方案最好为复杂句。Accordingly,the solutions to this issue should also be varied.First,For example,Then,Indeed,Above all,Research has proved thatPara 4写结尾To conclude,several factors contribute to/lead to/result in/cause/engender/give rise to I am convinced that we should take measures including,and to solve/combat/tackle/address/deal with/cope with this disturbing/worrisome/severe problem.练习What are the causes of water scarcity（短缺）?What are your solutions?In this day of change,the human society is progressing rapidly on various fronts.Yet at the same time,many problems have arisen,a serious one of which is the shortage of fresh water.This issue has drawn widespread attention.In this essay,some possible causes of this phenomenon will be analyzed and some solutions will be proposed.It is evident that the causes of the present water crisis are diverse.In the first place,the population explosion is the root cause of the crisis.An illustration of this point would be that over the past half century,the world population has mare than doubled and this growth rate shows no sign of slowing down;as a result,household and industrial use of water has been shooting up since the end of World War Two.In the second place,the wide spread deterioration of the Earths ecosystem constitutes a major cause of this situation.Specifically,currently,a vast number of factories are dumping their waste into rivers and lakes,which seriously undermines the worlds ecosystem.Finally,the overexploitation of water resources plays a pivotal role in water shortage.Obviously,today only in very few countries do the citizens have the awareness of the importance of saving water and using water properly(倒装句);as a consequence,a vast amount of fresh water is wasted on a daily basis.Accordingly,the solutions to this problem should be varied as well.To begin with,governments in all countries should give priority to the controlling of the staggering increase of the population.For example,it is essential that other nations learn from Chinas success in curbing its population surge over the past two decades.Then,the concept of sustainable development should be spread in the international community.Indeed,any form of overexploiting natural resources must be forbidden while preservation of the ecosystem should be respected,honored and funded.Last but not least,man must do his utmost to find alternative sources of fresh water.For example,research has proved that we can transform seawater into drinking water with the help of modern technology.In sum,several factors contribute to water scarcity.I am convinced that we should take effective actions,including birth control,promotion of sustainable development and research about new water resources,to alleviate this modern-day problem.Assignment1.有人认为大学生雇佣清洁工有人认为大学生雇佣清洁工(cleaner)帮助他们打扫卫生，洗衣等无帮助他们打扫卫生，洗衣等无可厚非；可厚非；2.有人认为大学生不应该雇佣清洁工；有人认为大学生不应该雇佣清洁工；3.我的看法我的看法
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