地址:北京市海淀区海淀北二街8号 中关村SOHO A区 2层 电话:400-890-6000 传真:010-82607462 网址: 邮编:100080 如: (1) “Recently,the extinction of the dinosaur has been a mysterious phinomenon that puzzles scieentits” (2) Rosen’s three major findings have contributed much to the progress of explaining the dinosaur’s extinction. 结构评论: (1) 找出focus:extinction of the dinosour (2 )要讨论的是:mysterious 2) Argumentation的典型结构 此类文章有多个观点 如: (1) “Traditionally,most scientists believed that the extinction of the dinosaur was caused by the impact of earth of massive meteorites” (2) “However,no sign of the impact,such as a huge pit,has been the other hand,Smith found two things that had been overlooked by his predecessors”