【摘要】 语义整体是由一些意义相关的句子通过一定连接手段合乎逻辑地组织起来的。词汇衔接则是连句成箱的纽带之一，在篇章结构中起着非常重要的作用。更多还原

【Abstract】 To call a sequence of sentences a ’test’is to imply that the sentences display some kind of mutual dependence ;they are not occurring at random. The purpose of this paperis to,through data analysis,identify one of cohesive ties - lexical cohesion which causes the sentence sequence to cohere,and its important function for discourse.更多还原