Unit 21 Human Biology Writing Writing: A Discursive essayIntroduction ( background)a list of arguments “for”a list of arguments “against”Conclusion(your personal opinion) Discursive Essay Discursive Essay(For And Against)（一）正反观点式议论文导入：第一段： Recently we have had a diacussion about whether we should… （导入话题） Our opinions are divided on this topic.( 观点有分歧 ) / Different people have different opinions./ opinions are varied.正文：第 2 段： Most of the students are in favour of it. / for it. （正方观点） Here are the reasons. First… Second… Finally… （列出 2-3 个赞成的理由）第 3 段： However, the others are strongly against it. （反方观点）Their reasons are as follows. In the first place… What’s more… In addition…( 列出 2-3 个反对的理由 )结论：第 4 段： Every coin has two sides. / Personally speaking, the advantages overweigh the diaadvantages, for it will do us more harm than good, so I support it. （二）“ A 或者 B” 类议论文 导入：第 1 段： Recently we have had a diacussion about whether we should… （导入话题） Different people have different opinions. Some people hold the opinion that A is superior to B in many ways. Others, however, argue that B is much better. Personally, I would prefer A because I think A has more advantages.正文：第 2 段： There are many reasons why I prefer A. The main reason is that… Another reason is that… （赞同 A 的原因） 第 3 段： Of course, B also has advantages to some extent… （列出 1-2 个 B 的优势）结论：第 4 段： Every coin has two sides. /But if all these factors are considered, A is much better than B. From what has been discussed above, we may finally draw the conclusion that … ( 得出结论 )( 三 ) 观点论述类议论文：导入：第...
