在课堂教学中,教师不恰当的讲述时有发生。概括起来,主要有这样几种情况:讲述不能激发学生的有意注意;在过短的时间内讲述过多的新知识,或讲述时间过长,超出了学生有意注意的时限;讲述内容杂乱无序、毫无逻辑,或与学生已有知识不对应。如何才能使教师的讲述行为更有效呢?结合自己的课堂实践,我认为教师的讲述应做到以下几点。一、思路清晰,富有目的性教师能否就学习内容向学生提供清晰、明了的讲解,对学 In classroom teaching, teachers do not tell the time and place. To sum up, there are mainly the following situations: Narration can not stimulate students’ intentional attention; Too much new knowledge is introduced in too short time, or time is too long, which is beyond the time limit for students to pay attention; Content is disorderly and disorderly , There is no logic, or does not correspond with the student’s existing knowledge. How to make the teacher’s narrative behavior more effective? Combined with his own classroom practice, I think the teacher should do the following points. First, clear-minded, purpose-oriented teachers can provide students with a clear and clear understanding of learning content, learning