:first,second,after that,later on,last,as we all know... 递进:what's more?in addition 承接:in fact,as a matter of fact 结果:as a result 找原因:results from the fact that...;the cause/reasons are...;because,because of 列举:for example,for instance,take...for example,such as... 对 比 :on the other hand,in other words,in comparison,in contrast,be similar to ,similarly,compared with... 反应: to one's joy/surprise... 想法:in my opinion 强调:anyway,needless to say,in fact,surely,certainly,no doubt,without any doubt 总结:generally speaking,to put it briefly,to sum up,in conclusion,in a word,in short... 结论:in a word,on the whole 表条件关系:as long as'on condition that,if,unless 下面是一些句子 书上看来的 因为是科普英语的作文书 很多都是针对科普类作文的 我自己总结了下 有这么几句话是比较大众化的 很多文章适用 开头: 一 直击问题 表述观点 1 nowadays,xxxx plays an important role in people's daily life.共4页 1234
2 many countries have been faced with the problem of... 3 recently,...has become a heated topic. 4 in this article,i shall draw your attention to the problem of... 二 引经据典 权威论证 1 a proverb says... 2 as everyone knows... 3 no one can deny that... 补充几句英语谚语吧 a lazy youth,a lazy age(少壮不努力 老大徒伤悲) everything must have a beginning.凡事都有起源 quality matters more than quantity 质量比数量重要 zeal without knowledge is fire without light 有热情而物质时犹如有火焰而无光芒. curiosity killed a cat 好奇害死猫 能用上的话也不错啊... 三 故事 问题 引人入胜 1 last night,it's raining hard.suddenly,a scene caught my eyes... 2 it is an unbelievable story ever happend in his life. 3 以问句形式开头 如 why do you catch a cold?... 结尾 首尾呼应: 1 from what has been mentioned above,we can draw the conclusion that... 2 in conclusion,it is necessary that... 3 thus/therefore,we can