【案例背景】NSE教材的八年级上册M12主要教学内容是讨论突发事件后如何采取正确的急救措施,即first aid。很多中国学生对于first aid这一方面意识薄弱,也缺乏急救知识,教师很难在这样一个不为学生熟悉的话题,且生词量大的课堂中,比较顺利地完成教学任务,即由听力(输入)到口语(输出)。如何突出重围,激发学生的学习兴趣及参与课堂的热情呢?笔者认为教师对自身课堂角色的定位是非常重要的。 [Case Background] NSE textbook eighth grade M12 main teaching content is to discuss how to take the first aid after the emergency measures, that is, first aid. Many Chinese students are weak in first aid and lack of first aid knowledge. It is very difficult for teachers to complete the teaching task smoothly in such a class that students are not familiar with and have a lot of vocabulary. ) To spoken (output). How to highlight the encirclement, to stimulate student interest in learning and enthusiasm to participate in the classroom? I believe that the teacher’s role in the classroom positioning is very important.