“它”作为篇章代词，在篇章中是用来表示回指的。所谓回指，指对篇章前文中出现过的某个话语后文重提时使用某种语言形式来加以指称。这种指称一般有代词、名词及零形式等，其中代词回指最为常见。关于代词回指的使用情况，廖秋忠先生曾做过一些概括性研究。徐赳赳先生专门研 “It” as a discourse pronoun, in the chapter is used to indicate anaphora. The so-called anaphora refers to the passage of a discourse before the passage of the article after the heavy use of a language form to be allegations. Such allegations generally have pronouns, nouns and zero forms, of which the pronoun is the most common. On the use of pronoun anaphora, Mr. Liu Qiuzhong had done some general research. Mr. Xu 赳 专 special research