顺序为D-A-C-B（科技是一把双刃剑）A、B为同一立场认为高科技好，C、D反之，最后：科技是一般双刃剑 D: Have you read the news about the strong earthquake in Japan? (提问日本的核泄漏)
A: The tsunami made a large number of people homele.（海啸导致许多人无家可归）
C: Yes, it was terrible.Thousands of people were killed in the accident.（许多人员伤亡）
B: Well, I think the most terrifying is the nuclear leak in the nuclear power plant.（谈到核泄漏）
D: Why do people build so many nuclear power plants? （为什么人们要建核电站）
A: Energy, it is because of the need of energy.（因为能源缺乏）
C: Nuclear is a kind of dangerous power, I hear that the nuclear radiation is a great threaten to natural environment.（听说核辐射的威胁很大）
B: Yes, as the growth of economic and technology, people consume more energy than before, and there is not enough natural resources to supply for us.（随着经济增长，能源需求越来越大）
D: It is really a terrible thing.Many people were injured by the radiation in the accident.（许多人被辐射） A:But with the nuclear power plants，we can save a lot of natural resources，such as coal and oil.
C: In my opinion, It all results from the developing of modern high technology, the nuclear technology!B: I do not think so.It depends how we use the high technology.（不能完全归因于先进技术）
D: People abuse the high technology in all kind of ways to fulfil their greedy desire.
A: But I think it is benefit for people to introduce new technology.The more the better.（越发展越好）
C: I can not agree with you.There are more and more accident caused by new technology nowadays.Such as traffic accident, nuclear radiation and abnormal climate.（越来越的事故是因为先进科技，造成交通问题等） B: But the high technology also bring us with great convenience.（科技给人们带来了方便）
D: Look at the students! Many of them consume a lot of time in front of computer to play games, or they play with the mobile phone.It is because of the high technology!（学生天天玩电脑，玩手机，是在浪费时间） A:Obviously, If we do not have mobile phones, cars, computers and so on, what will be in our daily life！
C: That may be one facet of it.The weather become seriously abnormal, there are more flood in many countries and many rare wild animals become extinct.（那仅是一个方面，环境问题，洪灾，动物绝种）
B: Oh, I do not think it is because of the new technology.In the opposite, it indicates the insufficiency of high technology.（那是科技发展不充分的体现）
D: I think the pollution is really a big problem too.With the development of modern industry, the environment is uncomfortable for us.Energy crisis appears due to the endle of exploring of natural resources.
A: Yeah, the high technology makes us more efficient in work, more convenient to communicate.It can save a lot of natural resources, too.（先进技术使工作更高效，交流更方便，可以节约自然能源）
C: It appears everything have both two sides, including the new technology! (每件事都有两个方面)
B: You are right.If we have mastered enough technology, and use it in a appropriate way, everything will be Ok.D: Great.In my opinion, the technology is like a double edged sword.（先进科技是一把双刃剑）
