1、议论文议论文主要针对某一观点或问题(一般为有争议的观点或问题)发表议论和看法，因此写此类文章时要考虑的论据多为正反两个方面。通过对有争议的观点或问题的不同看法进行比较，然后进行分析和评论，最后提出自己的看法，表达自己支持或反对的态度并加以论证说明，得出结论。1在文章的开头提出有争议的观点(一般提出两个相对的观点然后客观地对其进行评析)。2接下来可用一个或两个段落分别展开论述。在每段中，均可用主题句来点明论点，并对这些论点进行比较和对比、分析和评论。3文章结尾对所论述观点进行客观、合理的评论，提出自己的看法、建议；或者也可以将不同观点相互融合，选其可取之处，形成自己独到的观点。1There ar
2、e different opinions among people as toSome people suggest that2Peoples opinions aboutvary from person to person.Some people say that3Everything has two sides andis not an exception；it has both advantages and disadvantages.4On the contrary，there are some people in favour ofAt the same time，they say5
3、Faced with，we should take a series of effective measures toFor one thing，for another，6As far as I am concerned，I agree with the latter opinion to some extent.I think that7For my part，I think it reasonable toOnly in this way can you8From what has been discussed above，we may reasonably arrive at the c
4、onclusion that假如你是李华，你班同学最近参加了某报组织的一场讨论。讨论的主题是：要不要克隆人类。请你根据下表所提供的信息，给报社编辑投稿，客观地介绍讨论情况。大约35%的同学支持克隆1.克隆人很有趣，可以使人复生2.能使世界变得更有趣，使经济发展有更大突破，给人类带来更多的快乐3.可以克隆一些著名科学家，让他们承担一些精确的研究工作，为人类做更多的事情大约65%的同学不支持克隆1.克隆人会引发道德问题2.每个人是不同的，被克隆的人只不过是复制品3.克隆人会不时地被坏人利用你的观点1.现在很难说克隆人类是对还是不对2.也许我们只能等待体裁议论文时态一般现在时为主主题克隆人称第一、三
5、人称结构第一部分：引出问题：是否要克隆人类。第二部分：正方和反方观点。第三部分：陈述自己的看法。.对接单元词汇1bring back to life使复生；使复活2breakthrough 突破3undertake 从事；承担4exact 精确的；准确的5moral 道德(上)的6differ 不同；相异7from time to time 不时；偶尔.巧用单元句式、语法(一)完成句子1That it can make a breakthrough in the development of economy is another advantage.另一个优势是它能够使经济发展有所突破。2We
6、 can clone some famous scientists and let them undertake some exact research work to do more things for us humans(同位语)我们可以克隆一些著名科学家，让他们承担一些精确的研究工作，为我们人类做更多的事情。365 percent of the students hold the view that it is a moral question to clone humans.(同位语从句)65%的学生认为克隆人是道德上的问题。4Each of us differs while a c
7、loned person is merely a copy(while表示对比)我们每个人是不同的，然而被克隆的人只不过是复制品。5In my opinion，it is difficult right now to say whether cloning humans is right or not.就我而言，现在很难说克隆人类是对还是不对。(二)句式升级6用advantage is that改写句1Another advantage is that it can make a breakthrough in the development of economy.7用so that将句2改为
8、复合句We can clone some famous scientists and let them undertake some exact research work so that they can do more things for us humans.8用whether引导主语从句改写句5In my opinion，whether cloning humans is right or not is difficult to say right now. 【参考范文】Recently we have had a discussion on whether we should clo
9、ne humans.35 percent of the students think cloning humans is interesting and can bring people back to life.It can make the world more interesting and give people more pleasure.Another advantage is that it can make a breakthrough in the development of economy.Besides，we can clone some famous scientis
10、ts and let them undertake some exact research work so that they can do more things for us humans.65 percent of the students hold the view that it is a moral question to clone humans.Each of us differs while a cloned person is merely a copy.From time to time，cloned people may be taken advantage of by some evil persons.In my opinion，whether cloning humans is right or not is difficult to say right now.Perhaps we will just have to wait and see.