1、Section Writing正反观点类议论文本单元写作属于议论文中的对比观点类型，在写作时，常使用一般现在时。一、基本结构1开头。提出一种论点或一个具体的问题。2主体。论点提出后，我们就要根据汉语提示部分提供的事实，对正反双方的论据进行分析、论证，使论点得到足够的支持。因此，正反双方时常用 Some.However (While, But) some.；引入论据时常用表示递进关系的过渡词 besides, also, even, whats more, too, in addition 等，也用表示列举的 firstly, secondly, thirdly, on the one hand
2、, on the other hand 等。3结尾。对正反双方的观点及理由进行陈述后，在结尾部分我们就要得出结论并发表自己的观点。这部分常用的词语有：It is my opinion that., in my opinion, in a word, as has been said, finally, therefore 等。二、增分佳句1Different people hold different opinions.2Opinions are divided.3People have taken different attitudes toward.4People have differe
3、nt opinions on this problem.5People hold different views about. Some people are for the opinion that., while others point out that.6Some of them hold the opinion that.7However, each coin has two sides.8As far as Im concerned, I believed that.克隆人这一话题在世界上引起了激烈的争论。请你根据以下提示，用英语写一篇题为“On Human Cloning”的短文
4、。短文的开头已给出，不计入总词数。赞同是一个科学的突破能制造出拯救生命的人体组织和器官对无生育能力的人是一个喜讯反对克隆人是违背伦理的无权用人类做实验不应该干预自然担心造成超人种你的观点应将重点放在对人类有益的动物和干细胞的研究上注意：词数100左右。参考词汇：干扰 interfere withOn Human CloingCloning is producing an exact copy of a plant or an animal using its cells. However, human cloning has caused much debate. 分析体裁议论文主题关于克隆人
5、类的利弊时态一般现在时人称第一人称和第三人称结构第一部分：点出讨论的话题。第二部分：阐述正、反双方的观点。第三部分：陈述我的观点。1.用词(1)a scientific breakthrough 科学突破(2)produce 制造(3)tissues and organs 组织和器官(4)experiment with 以做实验(5)replace 取代(6)focus ones efforts on 将某人的努力集中于2造句(1)它能制造出有价值的人体组织和器官。It can produce valuable tissues and organs.(2)这些人体组织和器官能用来拯救生命。(b
6、e used to do)The tissues and organs can be used to save human lives.(3)我们无权用人类做实验。(have no rights to do.)We have no rights to experiment with humans.(4)如果我们干预自然会出现很多问题。(arise; if 条件句)If we interfere with nature, many problems may arise.(5)我们担心造成超人种。(be worried that.; superhuman race)We are worried t
7、hat we may produce a superhuman race.(6)这种超人种可能会取代我们。The superhuman race could replace us.(7)我认为克隆确实是一个科学突破。In my opinion, cloning is really a wonderful scientific breakthrough.(8)我们应该将注意力放在能应用于医学研究的动物克隆和干细胞上。(that 定语从句)We should focus our efforts on cloning animals and stem cells that can be used i
8、n medical research.(9)这样我们才能使之造福于人类。(make宾语宾补)We can make it beneficial to mankind in this way.(10)用 that 引导的定语从句连接句(1)和句(2)It can produce valuable tissues and organs that can be used to save human lives.(11)用 that 引导的定语从句连接句(5)和句(6)We are worried that we may produce a superhuman race that could rep
9、lace us.(12)用不定式作定语改写句(8)We should focus our efforts on cloning animals and stem cells to be used in medical research.(13)用 only 开头的倒装句改写句(9)Only in this way can we make it beneficial to mankind.3成篇On Human CloningCloning is producing an exact copy of a plant or an animal using its cells. However, h
10、uman cloning has caused much debate.Some believe it is a wonderful scientific breakthrough. It can produce valuable tissues and organs that can be used to save human lives. It is good news for those who cant have babies. However, others think cloning humans is totally immoral and against nature. We
11、have no rights to experiment with humans. If we interfere with nature, many problems may arise. We are worried that we may produce a superhuman race that could replace us.In my opinion, cloning is really a wonderful scientific breakthrough. We should focus our efforts on cloning animals and stem cells to be used in medical research. Only in this way can we make it beneficial to mankind.