一.引出開(kāi)篇類(lèi)

　　1.Recently the problem of…… has been brought into focus. ==Nowadays there is a growing concern over ……(近……問(wèn)題引起了關(guān)注)

　　2.With the development of our economy and society，pollution is more and more serious.

　　3.Now people become increasingly aware/conscious of the importance of ……

　　二.提出建議類(lèi)

　　1.There is no doubt that enough concern must be paid to the problem of……(毫無(wú)疑問(wèn)，對(duì)……問(wèn)題應(yīng)予以足夠重視)

　　2. Obviously ,if we want to do something … it is essential that……(顯然，如果我們想要做么事，很重要的是……)

　　三.故事引出類(lèi)

　　1 .I have a friend who ... Should he....? Such a dilemma we are often confronted with in our daily life.

　　2. Once upon a time, there lived a man who .... This story may be (unbelievable)， but it still has a realistic significance now。

　　四.表達(dá)不同觀點(diǎn)類(lèi)

　　1.People's views on……vary from person to person. Some hold that……However, others believe that……(人們對(duì)……的觀點(diǎn)因人而異，有些人認(rèn)為……然而其他人卻認(rèn)為……)

　　2. There are different opinions among people as to……(對(duì)于……人們的觀點(diǎn)大不相同)

　　五.預(yù)示后果類(lèi)

　　1. Obviously，if we don't control the problem, the chances are that……will lead us in danger.(很明顯，如果我們不能控制這一問(wèn)題，很有可能我們會(huì)陷入危險(xiǎn))

　　2. It is urgent that immediate measures should be taken to stop the situation(很緊迫的是應(yīng)立即采取措施阻止這一事態(tài)的發(fā)展)

　　六.引用名句類(lèi)

　　1. Education is not complete with graduation." This is the opinion of a great American philosopher. Now more and more people share his opinion.

　　2. Love me, love my dog.