一、引言语言是一种社会现象,交际是语言的基本社会功能,语言作为交际工具这一基本属性决定了研究语言运用的重要性。日常生活中的交际行为是受一定的交际规则指导和约束的。“语言的语法功能和交际功能是两个不完全等同的概念。当我们说一句话或使用一个词语时,是否达到预期的交际效果,不但受语言因素(正确的语音、语调,正确的语法和词语的运用)的制约,而且还要受到语言的社会因素的制约”。因此,语言的交际能力不仅要求熟练掌握目的语的 First, the introduction of language is a social phenomenon, communication is the basic social function of language, language as a communicative tool that determines the basic properties of the importance of the study of language use. Communication in daily life is guided and restrained by certain communicative rules. “The grammatical function and the communicative function of a language are two concepts that are not exactly the same.When we say a word or use a word, we achieve the expected communicative effect, not only by the language factor (correct pronunciation, intonation, correct grammar And the use of words) constraints, but also by the social constraints of language ”. Therefore, the communicative competence of language not only requires proficiency in the target language