前进类（用来论证好的方面）

1 profit from

People the world over can profit from the advancement in motorized flight.

2 A is an indispensable part of B.

Advertising has become an indispensable part of our lives and it has been exerting profound influence on the way we live, work , play and learn.

3 something plays a pivotal role in…

It is universally acknowledged that education plays a pivotal role in individual success.

4 enable somebody to do something

Cultural assimilation enables newly-arrived immigrants to get ahead in the new society successfully.

5 get accustomed to something

New immigrants must get accustomed to the local culture to succeed.

6 Someone can utilise something

In this day and age, many individuals can utilise the Internet via computers or mobile phones.

7 something is in the best interests of someone

Preserving the endangered animals is in the best interests of humanity.

8 contribute to…

Students should not only learn academic knowledge but also do volunteer work in communities, thereby making contribution to their cities.

9 something consolidates its status as the …

English has been consolidating its status as the dominant language in the world.

倒退类（用来论证负面的方面）

1 …is attended by …

The staggering advancement of technology is attended by severe pollution of the ecosystem.

2 The more…the more…

The more vehicles on the roads, the more traffic congestion to occur.

3 A can be attributed to B

The proliferation of traffic accidents can be in large measure attributed to the traffic law not being stringent enough.

4 be afflicted with

In present-day society, a host of countries are afflicted with chronic poverty.

5 deprive someone of something

Modern cities deprive city-dwellers of fresh air and the comfortable pace of life.

6 something impels somebody to do …

Peer pressure often impels youngsters to spend excessively on fancy clothes and accessories.

7 A has rendered B + 形容词或者名词，

We must ensure that technological innovations will not render us slaves to high technology.

The fast-paced way of life has rendered many people alienated from one another.

8 A recent study conducted by the Chinese Academy of Social Sciences revealed that …(如果是教育问题用UNESCO,如果犯罪问题可以用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 )

A recent study conducted by HSUS and Greenpeace suggested that there were over one million mammals（哺乳动物） in lab cages（笼子） today. 一个数据就说明了人类现在虐待动物的情况有多么严重。当然，请注意这里的数据编得不能太夸张，否则考官就会怀疑数据的真实性了。

9 be addicted to something

In present-day society, many individuals are addicted to / preoccupied with various forms of gambling.

10 something is the root cause of…

The population explosion is the root cause of water scarcity.

11 be confronted with something In contemporary society , we are confronted with a plethora of violent and pornographic TV shows.

12 pose a threat to …

In the contemporary society, the proliferation of non-biodegradable rubbish poses a threat to humanity.

13 be inundated with something

The media are inundated with detailed crime coverage.

14 If ,,,,something will ensue.

If parents neglect their offspring, lack of discipline and respect will ensue.

15With the incidence of…hovering at high levels, many have become disturbed and alarmed.

With the incidence of driving offenses hovering at high levels, many have become disturbed and alarmed.

16 something is unwarranted

Experimenting upon lab animals without trying to alleviate their pain is unwarranted.

17 at the expense of…

We should not develop economy at the expense of the environment.