2、往试题，除了应用性题材(相对较少)其他文章开头一般要先写个背景介绍；主体部分要么分析原因、要么列举影响；最后大多总结、建议。一）开篇 1) Many nations have been faced with the problem of ... 2) Recently the problem has been brought into focus. 3) Recently the phenomenon has become a heated topic. 4) Recently the issue has aroused great c
3、oncern among ... 5) Nowadays there is a growing concern over .../aheateddiscussion/debate 6) Never in our history has the idea that ... been so popular. 7) Faced with ..., quite a few people argue that ... 8) According to a recent survey, ... 9) With the rapid developme
4、nt of ..., ...10)With the deepening of Chinese reform and opening up二)原因1).A number of factors are accountable for this situation.2)A number of factors might contribute to (lead to )(account for ) the phenomenon(problem).3)The answer to this problem involves many factors. 三）
5、结尾1) From what has been discussed above, we can draw the conclusion that ... 2) It is high time that strict measures were taken to stop ... 3) It is necessary that steps should be taken to ... 4) In conclusion, it is imperative that ... 5) There is no easy method, but ..
6、.might be of some help. 6) To solve the above-mentioned problem, we must ... 7) In summary, if we continue to ignore the above-1.综合评述（原因、因素、影响、措施）2008年12月英语四级作文题目：LimitingTheUseofDisposablePlasticBagsThesedaysdisposalproductsoftenhittheheadlinesofnewspapersandhavebeenbroug
