17.So I believe a...tomorrow...will be achieved through efforts of every person.

例句：So I believe a safe tomorrow of less car accidents will be achieved through efforts of every person.

18.Therefore, we should not only...but...as well.

例句：Therefore, we should not only realize that competition and cooperation, like two sides of the coin, have to go hand in hand, but fix more attention on how to make full use of cooperation as well.

19.In short, ...are the major problems to be solved to...

例句：In short, shortage of water, decrease of fertile fields and

environmental pollution are the major problems to be solved to increase grain production.

20.Who is to say that...?

例句：Who is to say that our scientists may not provide a better theory?

一篇作文就好比一个故事，好的开头吸引大家读下去，而结尾如何决定大家对这篇文章的最终评价，所以说，广大2015考生一定要开好头，结好尾，为自己考研英语写作赢得高分!

4