考研英語作文的文體是議論文，既然是議論文，就不可避免地要有觀點(diǎn)的褒貶和話題的正負(fù)性質(zhì)，所以如何更好地表達(dá)話題的正負(fù)性，是一個(gè)很值得學(xué)習(xí)的點(diǎn)，我們?yōu)槟憧偨Y(jié)了正負(fù)面話題的功能性表達(dá)，希望可以幫到你。
正面話題
profit from…從……當(dāng)中獲益
【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……中起關(guān)鍵作用
【例】It is universally acknowledged(眾所周知)that education plays a pivotal role in individual success.
enable sb. to do sth.讓某人可以去做……
【例】Cultural assimilation(文化吸收，指新移民逐漸融入當(dāng)?shù)匚幕倪^程)enables newly-arrived immigrants to get ahead in the new society successfully.
get accustomed to sth.適應(yīng)……
【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…推動(dòng)……
【例】Students should not only learn academic knowledge but also do volunteer work(志愿者工作)in communities(社區(qū))， thereby making contribution to their cities.
負(fù)面話題
…is attended by…某種好的現(xiàn)象伴隨著某種壞的現(xiàn)象
【例】The staggering advancement of technology is attended by severe pollution of the ecosystem.
The more…the more…有越多的……就會(huì)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可以歸因于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.剝奪某人的……
【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(過度的)on fancy(新奇的)clothes and accessories(飾品).
A has rendered B+形容詞或者名詞 A讓B變成……
【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，一項(xiàng)由……進(jìn)行的研究表明……
【注】by的后面，如果是教育問題可以用UNESCO，如果是犯罪問題可以用the Chinese Ministry of Justice，交通問題可以用the Chinese Ministry of Transportation，建筑問題可以用the Chinese Ministry of Construction，環(huán)境問題可以用HSUS and Greenpeace……這個(gè)句型是在涉及數(shù)據(jù)發(fā)布機(jī)構(gòu)時(shí)用的。
以上就是關(guān)于考研英語作文正負(fù)話題的功能性表達(dá)，考生只要把以上內(nèi)容清晰掌握并熟練運(yùn)用，就能在話題表達(dá)這部分增色不少，自然在作文整體上也能更勝一籌。