考研英语作文的文体是议论文，既然是议论文，就不可避免地要有观点的褒贬和话题的正负性质，所以如何更好地表达话题的正负性，是一个很值得学习的点，我们为你总结了正负面话题的功能性表达，希望可以帮到你。
正面话题
★ profit from…从……当中获益
【例】People can profit from the advancement in motorized flight.
★ A is an indispensable part of B A是B不可缺少的一部分
【例】Advertising has become an indispensable part of our lives and it has been exerting(施加)profound influence on the way we live, work, play and learn.
★ sth. plays a pivotal role in…某事在……中起关键作用
【例】It is universally acknowledged(众所周知)that education plays a pivotal role in individual success.
★ enable sb. to do sth.让某人可以去做……
【例】Cultural assimilation(文化吸收，指新移民逐渐融入当地文化的过程)enables newly-arrived immigrants to get ahead in the new society successfully.
★ get accustomed to sth.适应……
【例】New immigrants must get accustomed to the local culture to succeed。
★ someone can utilize sth.可以使用……(=use)
【例】In this day and age, many individuals can utilize the Internet via computers or mobile phones.
★ sth. is in the best interests of someone做某事符合……的利益
【例】Preserving the endangered animals is in the best interests of humanity.
★ make contribution to…推动……
【例】Students should not only learn academic knowledge but also do volunteer work(志愿者工作)in communities(社区)， thereby making contribution to their cities.
负面话题
★ …is attended by…某种好的现象伴随着某种坏的现象
【例】The staggering advancement of technology is attended by severe pollution of the ecosystem.
★ The more…the more…有越多的……就会有越多的……
【例】The more vehicles are on the roads, the more traffic congestion to occur.
★ A can be attributed to B A可以归因于B
【例】The proliferation of traffic accidents can be in large measure attributed to the traffic law not being stringent enough.
★ be afflicted with…遭受……
【例】In present-day society, a host of(大量的)countries are afflicted with chronic poverty.
★ deprive someone of sth.剥夺某人的……
【例】Modern cities deprive city-dwellers(城市居民)of fresh air and the comfortable pace of life.
★ sth. impels sb. to do…促使某人去……
【例】Peer pressure often impels youngsters to spend excessively(过度的)on fancy(新奇的)clothes and accessories(饰品).
★ A has rendered B+形容词或者名词 A让B变成……
【例】We must ensure that technological innovations will not render us slaves to high technology.
★ A recent study conducted by the Chinese Academy of Social Sciences revealed that…最近，一项由……进行的研究表明……
【注】by的后面，如果是教育问题可以用UNESCO，如果是犯罪问题可以用the Chinese Ministry of Justice，交通问题可以用the Chinese Ministry of Transportation，建筑问题可以用the Chinese Ministry of Construction，环境问题可以用HSUS and Greenpeace……这个句型是在涉及数据发布机构时用的。
以上就是关于考研英语作文正负话题的功能性表达，考生只要把以上内容清晰掌握并熟练运用，就能在话题表达这部分增色不少，自然在作文整体上也能更胜一筹。
