.Chapter 1: Introduction1. Linguistics:语言学 It is generally defined as the scientific study of language.(Linguisticsstudiesnotanyparticularlanguage,butitstudieslanguagein general)2. General linguistics:普通语言学The study of language as a whole is called general linguistics.(language is a complicated entity with multiple layers and facets )3. Language:Languageisasystemofarbitraryvocalsymbolsusedfor human communication.4. descriptive(描述性 ): Alinguisticstudyaim