外语课堂教学媒介语研究述评

A Review of Studies on the Medium of Instruction in Foreign Language Classrooms

教学媒介语是指教师进行课堂教学时所使用的语言，是外语教学法的一个重要参数。本文从教学媒介语的实际使用情况、目标语和母语作为教学媒介语的不同功能、教师及学生对在外语教学中使用目标语和母语的态度以及不同教学媒介语的使用对教学效果的影响四个方面，对国内外关于外语课堂教学媒介语的研究进行全面介绍和分析，并在此基础上对在我国外语教学中应如何正确使用教学媒介语提出建议。

This paper provides an extensive review of studies on the medium of instruction in foreign language education from the following four perspectives： the medium of instruction used in foreign language classrooms, the different functions of L1 and L2,teacher and student beliefs and attitudes about L1 and 12 use,and the effects of L1 and 12 use on students＇foreign language proficiency. The authors then put forward sane suggestions on L1 an 12 use in foreign language teaching in China.