大学英语四级作文集锦PPT演示课件

1、1,Composition for CET-4,（对比分析类）,My Choice Between Sth. and Sth. Else,1. 在两个事物之间作出你的选择,2. 对比说明你的选择理由,2,写作模式（对比分析类）,Para.1: 1) With a gradual/sharp growth (decline/worsening/progress/arrival) of/in sth., people become more and more concerned about how to 2) To make it, some prefer towhile others choos

2、e to 3) If I were asked to make a choice between the two, however, I would like to attach more weight to the latter/former than to the former/latter.,Back,上一页,下一页,(划线部分可以被替换),3,Para. 2: 4) It is true that _ does ensure/ bring a lot of for one, such as, but, compared with _, it seems less attractive

3、to me. 5) To begin with, , thereby (理由I) 6) By contrast, , thus 7) Besides, , in which context (理由II) 8) In contrast to that, , in which case 9) And the most striking difference between both lies in (理由III) 10) while/whereas (对比说明),上一页,下一页,(划线部分可以被替换),Back,4,How to Prevent a Terrible Marriage,1. 为了避

4、免婚姻的潜在危机，一些人选择婚前协议的方式而另一些人仍通过相互信任的传统方式。 2. 就这两种方式，你的选择倾向是 (通过对比说明你的选择理由),上一页,Back,5,How to Prevent a Terrible Marriage,1) With a sharp growth in the divorce rate, people become more and more concerned about how to avoid the potential risks of their marriages. 2) To make it, some prefer to make prema

5、rital agreements before their wedding ceremonies while others still choose to maintain their marriages through their mutual trust. 3) If I were asked to make a choice between the two, however, I would like to attach more weight to the latter than to the former.,上一页,下一页,Back,6,4) It is true that the

6、marriage with a prenup (premarital agreement) does ensure a lot of benefits for the family, such as the protection of children from going hungry or the reasonable distribution of financial assets, once divorce is inevitable, but, compared with the marriage based on the mutual trust, it seems less at

7、tractive to me. 5) To begin with, the marriage bound up with a prenup throws itself, from the very outset, into an ocean of family worries, thereby leaving little room for the spouses,上一页,下一页,Back,7,enjoyment of happiness their unity brings about. 6) By contrast, the marriage built on the mutual tru

8、st always nurtures itself in truth, romance and harmony, thus placing no limit on the spouses enjoyment of happiness derived from their intimate exchanges. 7) Besides, the prenup-based marriage lays bare, in writing or in cold fact, the spouses desire or even greed for money, in which context there

9、is no soil in their marriage for warmth to grow on. 8) In contrast to that, the trust-based marriage always,上一页,下一页,Back,8,reminds the spouses of the truth that there is something more valuable than money in their marriage, in which case both the husband and the wife would tend to bring forth more l

10、ove and attraction for each other. 9) And the most striking difference between both lies in their emphases on the post-marriage life. 10) The former couple will focus their life on the material or physical interests whereas the latter couple will center their life around the spiritual or ethical ref

11、inements.,上一页,下一页,Back,9,11) From the comparisons and contrasts above, anyone can conclude that my way of coping with the prospective problems of a marriage is more reasonable and acceptable. 12) Therefore, I will refine my taste for marriage from today on so as to search the seas of people for the

12、one who is resolved to share with me the affection and thought, comfort and hardship, joy and grief for life.,THE END,上一页,10,What Enlightenment Can Be Gained from Something Challenging,（分析建议类）,11,（划线部分可替换）,下一页,上一页,写作模式（分析建议类）,1) While we watch mans ability to do sth. increase with each passing day,

13、he is often at a loss what to do in the face of such challenges/ puzzles/problems as (议论的主题) 2) The mystery of , for example, has cast much doubt on what we have long been proud of or firmly convinced of . 3) With a constant emergence of in the future, in fact, man will have to be faced with more an

14、d more of such challenges/problems.,Back,12,（划线部分可替换）,下一页,上一页,4) If taken seriously/objectively, however, these challenges can shed new light on . 5) For one thing, they can help , as it is the nature of man to.(分析I) 6）For another, they can remind man of , thus (分析II) 7) And best of all, they can pr

15、ove man to be .(分析III) 8) In this light, man has every reason to . (进一步阐述),Back,13,（划线部分可替换）,下一页,上一页,9) So most important for man now is how to respond to the challenges with positive/ effective action. 10) On the one hand, in my opinion, man must give full play to.(建议I) 11) But on the other, man mu

16、st prevent them from (建议II) 12) As long as man sees/ treats them in perspective, therefore, they will serve as an ever-increasing force behind his (结论句),Back,14,下一页,上一页,What Enlightenment Can Be Gained from the Worlds Mysteries,Back,1) 人类社会面临着世界之谜的挑战。 2）分析该挑战给我们的启迪。 3）我们应怎样对待之？,15,下一页,上一页,1) While w

17、e watch mans ability to tame the nature increase with each passing day, the human world is often at a loss what to do in the face of such challenges as the worlds mysteries. (议论的主题) 2) The mystery of black holes, for example, has cast much doubt on what we have long been proud of or firmly convinced

18、 of. 3) With a constant emergence of the unknown in the future, in fact, man will have to be faced with more and more of such challenges.,Back,16,下一页,上一页,4) If taken seriously, however, these challenges can shed new light on our ways of seeing and changing the world. 5) For one thing, they can help

19、build up mans curiosity for the world around him, as it is the nature of man to seek for the better explanation of something foreign to him.(分析I) 6）For another, they can remind man of his ignorance about the objective world, thus making him aware of the fact that man is still far from perfect in kno

20、wledge acquisition.(分析II),Back,17,下一页,上一页,7) And best of all, they can prove man to be a part of the nature rather than the master of the nature.(分析III) 8) In this light, man has every reason to take account of all the important factors concerning the nature in the course of his struggle for a bette

21、r survival and attach to each its due weight. (进一步阐述),Back,18,上一页,9) So most important for us now is how to respond to the challenges with positive action. 10) On the one hand, in my opinion, we must give full play to their strong incentive for our further exploration of the unknown world.(建议I) 11)

22、But on the other, we must prevent them from becoming the breeding ground for pseudo-science or superstition. (建议II) 12) As long as we see them in perspective, therefore, they will serve as an ever-increasing force behind the human progress. (结论句),. Writing,（原因分析类）,The Changes in Something,1. 简述某一事物的

23、变化情况,2. 说明引起变化的原因,3. 分析其影响或走向,20,Changes in Great Natural Disasters Worldwide,下一页,Back,21,（划线部分可替换）,下一页,上一页,写作模式（原因分析类）,1) As can be seen from the graph / table / diagram, there have been drastic / considerable / unfavorable changes in (议论的主题)over the past period from _ to _. 2) To be concrete, only

24、 in _(year) while / whereas the ratio(s) went up toin _ (year).(变化概述) 3) These changes are most disturbing, so it is necessary for us to go into the whys and wherefores of them first. (Para. 1),Back,22,（划线部分可替换）,下一页,上一页,4) Some changes, such as , result from , but many others have much to do with 5)

25、 In the first place, mans excessive exploitation of has done a lasting damage to , only to (原因分析I)6) (进一步说明) 7) In the second, in order to , man has had to overwork , which in turn has accelerated (原因分析II) 8) In the third, mans blind application of has caused permanent changes in (原因分析III) 9) Among

26、these changes are . (进一步说明)(Para. 2),Back,23,（划线部分可替换）,下一页,上一页,10) The list of causes could go on, but they are already enough to indicate that these changes are producing more and more negative effects on the world. 11) These changes not only , but also(分析) 12) If allowed to run its course, I firml

27、y believe / I am afraid, this trend will certainly bring more harm / threats to our society / life.(结论句) (Para. 3),Back,24,The Changes in Great Natural Disasters Worldwide 1. 简述所给图表中的变化。 2. 说明引起变化的主要原因。 3. 分析这些变化对全球的影响。,下一页,上一页,Back,25,1) As can be seen from the graph, there have been rapid changes

28、in the great natural disasters worldwide over the past period from 1960s to 1990s. 2) To be concrete, there were only 16 terrible natural disasters, causing 300,000 deaths in 1960s while the ratios went up respectively to 131 and 1,100,000 in 1990s. 3) The changes are disturbing, so it is necessary

29、for us to go into the whys and wherefores of them first.,下一页,上一页,Back,26,4) Some changes, such as those in earthquakes and volcanic eruptions, result from the movement of plates along the weaknesses in the earths crust, but many others have much to do with mans activities. 5) In the first place, man

30、s mindless and excessive exploitation of natural resources has done a lasting damage to the ecosystem, only to invite more floods, landslides and mud-rock flows. 6) The rare flood to which China was subjected in 1998 is typical of the evil seeds man had sowed for himself. 7) In the second, in order

31、to feed their more and larger,上一页,下一页,Back,27,families, people from all over the world have had to overwork their farming land as well as their grassland, which in turn has accelerated the desertification of the land on which they have been relying for existence. 8) In the third, mans blind applicat

32、ion of scientific findings has caused unfavorable and permanent changes in the global living environment. 9) Among these changes are the depletion of ozone layer, the worsening of greenhouse effect, the recurrence of hurricanes and the extinction of more species.,上一页,下一页,Back,28,10) The list of caus

33、es could go on, but they are already enough to indicate that these changes are producing more and more negative effects on the world. 11) They have not only made it impossible for the natural systems to recover their balance but also made it harder for man to ensure his better survival. 12) If allow

34、ed to run its course, I am afraid, this trend will certainly bring more serious threats to all the living things on the Earth, mankind included.,上一页,THE END,29,（对比说明）,Different Approaches to Something,通过对比说明人们是如何用不同的方式对待某事物的，使读者从中受到启迪。,30,（划线部分可替换）,下一页,上一页,写作模式（对比说明）,1) With a view of the changes in

35、 life of people of the past and today, we get / gain a deeper insight into / a better sense of sth. .(主题) 2) Viewed from the angle of lifestyle, modern people are famous for, as shown in 3) But in the past people are known for, as confirmed in (对比I) 4) Judging by the concept of the value of time, mo

36、dern people approach sth. as,Back,31,（划线部分可替换）,下一页,上一页,while in the past people treat sth. as (对比II) 5) As is known to all, modern people prefer to, in contrast to which in the past people tend to (进一步说明) 6) If set on the scene of work, people today are more likely to pour sth. into whereas people i

37、n the past are more liable to put sth. into (对比III) 7) As can be seen from, (进一步说明) 8) Clearly, such differences render us better and better at planning our time as long as we dont forget to enjoy ourselves a little while keeping up with the pace of the times.,Back,32,下一页,上一页,Approaches to Time in t

38、he Past and Today,通过对比说明过去和现在人们是如何对待时间的。,Back,33,下一页,上一页,Approaches to Time in the Past and Today,Back,1) With a view of the changes in life of people of the past and today, we gain a deeper insight into how to approach time. 2) Viewed from the angle of lifestyle, modern people are famous for their

39、rapid pace of time, as shown in their invention of fax, e-mail and instant coffee. 3) But in the past people are known for their life in a leisurely manner, as confirmed in their tea- drinking hobbies and frequent time-consuming,34,下一页,上一页,social activities. 4) Judging by the concept of the value of

40、 time, modern people approach time as an investment in money making while in the past people treat time as necessary for enjoying life and being together with family and friends. 5) As is known to all, modern people prefer to talk business directly through phone calls rather than through personal co

41、ntacts, in contrast to which in the past people tend to spend more time getting along with their business partners.,Back,35,6) If set on the scene of work, people today are more likely to pour time into creative work whereas people in the past are more liable to put time into mechanical labor. 7) As

42、 can be seen from the differences in current education, children today devote their time to creative thinking and children in the past commit more time to learning by rote. 8) Clearly, such differences render us better and better at planning our time as long as we dont forget to enjoy ourselves a li

43、ttle while keeping up with the pace of the times.,上一页,THE END,Back,36,（知识性说明）,On the Interaction Between Bright and Dark Sides of Something,对事物两方面之间的相互关系和作用进行知识性说明，使读者领悟好事也能变成坏事或反之亦然的道理,37,（划线部分可替换）,下一页,上一页,写作模式（知识性说明）,1) There are two sides to any problem in the world, interrelated and interacting

44、with each other, to which the problem of sth. is no exception. 2) Deeply stuck in the loop of sth., sb. concerns himself naturally with 3) He is too eager for success in sth. to have mind to consider beyond the orbit of sth. 4) Through unyielding efforts, he succeeds, as many others once,Back,38,（划线

45、部分可替换）,下一页,上一页,succeeded, in 5) With the passage of time, however, his gain turns out to 6) His profitable exploitation of has resulted in . 7) His favorite application of has led to 8) Thus it can be seen that the best course of reaction to any problem is to take account of both sides of it and attach to each its due weight before anything is done about it.,Back