新架书语言是人们彼此沟通思想所不可或缺的交际工具与手段；语言是人类认识的工具，同时又是认识的总结。科学的语言功能观把“语言”视为“认识手段与交际手段的统一”，把“语言活动”视为“认识与表达相统一的过程”。因此，语文学科既是工具学科，又是人文学科。自20世纪5 The new shelf language is an indispensable communicative tool and means for people to communicate with each other. Language is a tool of human understanding and meanwhile a summary of cognition. The concept of language function in science regards “language” as “the unity of means of cognition and means of communication” and “language activity” as “the process of unifying and understanding”. Therefore, the language subject is both a tool discipline and a humanities discipline. Since the 20th century 5