一、引言教学媒介语是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。教师对外语教学中教学媒介语的态度和教学媒介语的实际使用情况可以反映出教师不同的教学环境观。我国的外语界对教学媒介语有过广泛的探讨和研究,外语教学中如何使用母语与目标语成为热门 I. INTRODUCTION Teaching medium is the language used by teachers in classroom teaching and is an important parameter of the foreign language teaching method. Teachers ’attitudes towards teaching medium in foreign language teaching and the actual use of teaching medium can reflect the different viewpoints of teachers’ teaching environment. Foreign language circles in our country have studied and studied teaching medium language extensively, and how to use mother tongue and target language in foreign language teaching has become a hot topic