目 录摘要.........................................................................................................................IAbstract..................................................................................................................II第 1 章 引言...........................................................................................................11.1 研究背景....................................................................................................................11.2 研究意义....................................................................................................................3第 2 章 文献综述...................................................................................................72.1 语境的定义................................................................................................................72.2 国外语境理论的提出和发展....................................................................................72.3 国内语境理论研究..................................................................................................102.4 语境理论在国外英语词汇教学中的应用研究......................................................11第 3 章 理论基础.................................................................................................193.1 语境理论..................................................................................................................193.2 建构主义学习理论..................................................................................................204.研究设计...........................................................................................................224.1 研究问题..................................................................................................................224.2 研究假设..................................................................................................................234.3 研究方法......................