先讲一个较短的故事来引发读者的兴趣，引出文章的主题。(建议少用)

　　[1] Once in (a newspaper), I read of/learnt..... The phenomenon of ... has aroused public concern.

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

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