例句：The genetic engineering has changed the way our society develops, but its bright side should not keep us from following closely its dark side。

　　12.What would our society be like if there were no…？

　　例句：What would our society be like if there were no public morals?

　　13.Should we put sth. above sth. else? /Should we attach as much weight to sth. as to. sth. else?

　　例句：Should we put intellectual development above moral education?

　　14.Sth. is just the same as…/is compared to…/is like…

　　例句：Life in the middle of marriage if often compared to wire walking, for in the early years spouses attract each other and in late years they need each other。

　　15.In our life, there often appears such an occasion when…/on which…

　　例句：In our daily life, there often appears such an occasion when we drink success to our work in one field but, at the same time, begin to do great damage to other fields。

　　16.One of the great men one said that…/There is an old saying that…

　　例句：A gifted American psychologist once said that it is an illusion to believe in the Sunday-school truth—more comfort, more happiness。

　　17.According to the recent survey/statistics, there is…percent of…

　　例句：According to a recent survey made in a certain university, there are 43.8 percent of male students and 38.3 percent of female students either facing problems with nutrition or having to miss classes because of illness each term。

　　18.Nowadays, a heated debate/discussion about…is under way in China. Some people believe that…, whereas others argue that…

　　例句：Nowadays, a heated debate about whether one should step forward bravely in the event of crime is under way in China. Some people believe that one should step forward bravely no matter how dangerous it is, whereas others argue that one should put his or her own safety above anything else。

　　19.When it comes to…, most people contend that…, but other people consider that…

　　例句：When it comes to fake commodities, most people contend that people should battle against the falsehood of the fakes, but other people consider that buying fake commodities means nothing but “unlucky” which is hard to avoid。

　　20.There are many advantages and disadvantages in…

　　例句：There are many advantages and disadvantages in owning a car。

　　二、常用于结尾的句式

　　1. It is hoped that we should place much emphasis on/pay more attention to…

　　例句：It is hoped that we should pay more attention to the problems of unemployment。

　　2. Only in this way/only when/only through…, will/can we…

　　例句：It is only if all sides of society take their roles fully that we will achieve the society we want。

　　3. As long as…, we will be able to…/the problems is bound to…

　　例句：As long as we persist in spreading scientific knowledge among the masses, all the superstitions are bound to go out of our life。