“引言”段落中的常用句型：
　　1.…is a very popular topic which is much talked about not only by …but also by …
　　家庭人口多好還是家庭人口少好是一個(gè)非常通俗的主題，不僅是城里人，而且農(nóng)民都經(jīng)常談?wù)撨@個(gè)問題。Whether a large family is a good thing or not is a very popular topic which is often talked about not only by city residents but by farmers as well.
　　2.There is no denying the fact that…
　　無可否認(rèn)，空氣污染是一個(gè)極其嚴(yán)重的問題：城市*應(yīng)該采取有力措施來解決它。
　　There is no denying the fact that air pollution is an extremely serious problem: the city authorities should take strong measures to deal with it.
　　3.As is known to all,…
　　眾所周知，假冒偽劣商品損害了消費(fèi)者的利益。
　　As is known to all, fake and inferior commodities harm the interests of consumers.(=do a lot of harm to the interests of consumers)
　　4.More and more people are realizing the importance of …
　　現(xiàn)在越來越多的人認(rèn)識(shí)到法制教育的重要性。為了維護(hù)社會(huì)治安，我們每人都應(yīng)該接受法制教育。
　　Today an increasing number of people have realized that law education is of great importance .In order to keep law and order, very one of us is supposed to get(=receive)a law education.
　　5.From what I have mentioned above we can see clearly that…
　　從上面我所提到的，我們可以清楚地看到，電視暴力對(duì)青少年的影響是極其深遠(yuǎn)的。From what I have mentioned above, we can see clearly that violence on TV has (a) great influence on young adults’ behaviour.(或 teenagers’ behavior 或 youngsters’ behavior)