同时以期通过对汉语作为教学媒介语和外语焦虑关系的研究，帮助教师认清课堂媒介语对英语教学的影响并以优化英语课堂教学。
So it helps teachers have a clear knowledge on how to use medium of instruction effectively and how to help those learners when their proficiency about the teaching language is poor .
媒介焦虑