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1、Unit 6The Changes in Great Natural Disasters Worldwide1. 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。1) As can be seen from the graph, there have been rapid changes in the great natural disasters worldwide over the past period from 1960s to 1990s. 2) To be concrete, there were only 16 terrible natural
2、 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, therefore, it is necessary for us to go into the whys and wherefores of them first.4) Some changes, such as those in earthquakes and volcanic eruptions, res
3、ult from the movement of plates along the weaknesses in the earths crust, however, many others have much to do with mans activities. 5) In the first place, mans mindless and excessive exploitation of natural resources has done a lasting damage to the ecosystem, only to invite more floods, landslides
4、 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 to feed their more and larger families, people from all over the world have had to overwork their farming land as well as their grassland, wh
5、ich in turn has accelerated the desertification of the land on which they have been relying for existence. 8) In the third, mans blind application of scientific findings has caused unfavorable and permanent changes in the global living environment. 9) Among these changes are the depletion of ozone l
6、ayer, the worsening of greenhouse effect, the recurrence of hurricanes and the extinction of more species.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) They have not only made it impossibl
7、e for the natural systems to recover their balance but also made it harder for man to ensure his better survival. 12) If allowed 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. Unit 7What Causes a Boom in C
8、elebrating Foreign Festivals1. 近几年大学校园出现了一股过洋节热。2. 阐明导致该现象的原因。3. 分析该现象的社会影响。1) Believe it or not, these years have witnessed a boom in celebrating foreign festivals on the Chinese campus. 2) According to an official report/survey, young people, especially college students, are showing more and more
9、interest in such festivals as Valentines Day, April Fools Day, Thanksgiving Day and Christmas Day. 3) To get a better sense of the boom, it is necessary for us to find out its causes. 4) A closer analysis of the phenomenon can find that three main factors are well worth our concern. 5) In the first
10、place, it is the product of students seeking after individuality and novelty, for which the college campus offers an ideal climate. (原因 I) 6) In the second, it is seen, among the students, as an ideal way of freeing themselves from stress for the time being, since most college students, only child o
11、f each family, are subjected to the unprecedented pressures from all sides though they enjoy the abundance of material wealth. (原因 II) 7) And above all, it is an inevitable result of more and more exchanges between Western and Eastern cultures. (原因 III) 8) While the Chinese watch their children thir
12、st for the joy derived from foreign festivals, in fact, the Americans are discussing whether or not to list the Chinese Spring Festival among their official holidays.9) The effects of this change on our college life are positive. 10) On the one hand, it has created more chances for students to gain
13、a better insight into other cultures. (分析 I) 11) On the other, it has enriched the college life, thus making the campus a more pleasant place to live on. (分析 II) 12) With more and more health and color added to the trend, I firmly believe, it will certainly bring more benefits to our campus life in
14、the time to come.Unit 8Views on Cloning1. 有人认为克隆技术的应用利大于弊，理由是2. 也有人认为弊大于利，3. 我的看法。1) Almost everyone would agree that the birth of Dolly, as the first clone of an adult animal, has opened a new way of seeing the creation of life for the world. 2) But this agreement ceases to exist just when it comes
15、 to whether cloning will bring fortunes or misfortunes to human society.3) Many contend that the merits of cloning will outrun its demerits. 4) They base their contention on the grounds that cloning is the most effective method of saving the rare wild lives from dying out. 5) Besides, as they also p
16、oint out, cloning can help provide better ways to treat some serious or deadly sicknesses, such as diabetes, and Parkinsons disease. 6) Yet others react to the issue the other way around and hold that the opposite is just reasonable. 7) From their angle of view, cloning will threaten the ecological balance by destroying the natural reproduction through the enjoyment of sexual love between the male and the female. 8) And even worse, as they reveal, cloning will bri
