一、原因1.A number of factors are accountable for this situation.A number of factors might(largely)contribute to (lead to )(account for ) the phenomenon(problem)./被动The change in rgely results from the fact that...2. The answer to this problem involves many factors.3. The phenomenon mainly stems from the fact that...6. We may blame ...,but the real causes are...7. Part of the explanations for it is that ...One of the most common factors (causes ) is that ...Another contributing factor (cause ) is ...Perhaps the primary/fundamental factor/cause is that …二、比较1.3.A may be preferable to B, but A suffers from the disadvantages that...4.It is reasonable to maintain that ...but it would be foolish to claim that...5.For all the disadvantages, it has its compensating advantages. compensate补偿6.Like anything else, it has its faults.7.A and B has several points in common(共有)8.A bears some resemblances to B.（相似）9.However, the same is not applicable to B./ be applied to（相似）10. A and B differ in several ways.11. Evidently, it has both negative and positive effects.12. People used to think ..., but things are different now.13. The same is true of B.14. Wondering as A is ,it has its drawbacks.15. It is true that A ... , but the chief faults (obvious defects )are ...三、批驳1)It is true that ..., but one vital point is being left out.2) There is a grain of truth(有一种真理) in these statements（声明、观点、文章主题）, but they ignore a more important fact.4) Many of us have been under the illusion（错觉）that...5) A close examination would reveal（揭示）how ridiculous the statement is.6) It makes no sense to argue for ...7) Too much stress placed on ... may lead to ...8) Such a statement mainly rests on（依赖于）the assumption（假定、假设）that ...9) Contrary to what is widely accepted, I maintain that ...四、结尾1) In conclusion, it is imperative(必要的)that .2) To solve the above-mentioned problem, we must3) In summary, if we continue to ignore the above-mentioned issue, more problems will crop up.(突然发生)4）开头1. Recently, the rise in the problem of ______ has aroused public/wide concern.近来，______问题的增加已经引起了公众/广泛的关注。

2. Recently, the issue of ______ has been brought into focus/brought to public attention. 近来，______问题已经成为人们关注的焦点。

4. With the rapid growth of ______ , ______ have/has become increasingly important in our daily life.随着______的快速增长，______在我们的日常生活中已经变得越来越重要。

5. Now there is a growing awareness/recognition of the necessity to ______ . 如今，人们越来越意识到______的必要性。

6. Now people in growing/significant numbers are beginning/coming to realize/be aware that ______. 如今，越来越多的人开始意识到______。

7. After a good many years of enthusiasm for ______ , people begin to ______ .热衷于______多年之后，人们开始______。

8. One of the burning/pressing questions/problems facing/confronting our nation/society today is ______ . 我们的国家/社会今天面临的紧迫问题之一是______。

9. With ______ playing an increasingly important role in ______ , more and more ______ . 随着在______中的作用日益重要，越来越多的______。

10. Whenever you see/find ______ , you can't help being shocked/surprised at ______ . 每当看到/发现______的时候，你会不禁为______感到震惊/惊讶。

图表As the bar chart shows, the number of ______ has dramatically increased/decreased during the ______ years from ______ to ______. 如柱状图所示，______的数量从______年到______年______年之间急剧增加/减少。

12. From the graph, we know the statistics of ______ and ______ . It can be seen easily that ______.从图表中我们可知______和______的数据。

我们可以很容易地看出______。

13. From the bar chart, it is clear that between ______and ______ the amount of ranged from ______to ______ . 从柱状图中可以清楚地看到，从______到______，______的数量在______到______之间变化。

14. As the bar chart shows, great changes concerning ______ took place between ______ and ______ .柱状图表明，从______到______，______发生了很大的变化。

15. As can be seen in the graph, ______ saw great changes in ______ between ______ and ______ .从图表可知，在______到______之间，______发生了巨大变化。

16. The cartoon vividly depicts ______. 这幅漫画生动地描述了______。

17. As is described in the picture, ______ . 如图中所描述的，______。

18. As is vividly indicated in the above drawing/picture, ______ .如上图生动地描述的那样，______。

19. The drawing, thought-provoking as it is, does mirror a social phenomenon that ______ . 这幅发人深省的图画的确反映了这样一个社会现象：______。

20. In the cartoon presented to us, ______. Obviously, what the cartoon illustrates/reveals is ______ .在展现给我们的图片中，______。

显然，该图片说明/揭示的是______。

21. As is symbolically depicted in the drawing above, ______. Although the drawing is designed simply, it does reveal that ______ .正如上图象征性地描绘的一样，______。