课堂导入,作为课堂教学中一个不可或缺的环节,虽占用的时间不长,但“牵一发而动全身”。巧妙而恰当的课堂导入犹如一部好电影的序篇、一段好乐章的序曲、一本好书的前言,能够先声夺人,吸引学生的注意力,唤起学生的求知欲,活跃学生的思维,把学生逐步引入课堂主题,从而使他们兴趣盎然地参与到课堂学习中来。因此,课堂导入是课堂教学 Class introduction, as an indispensable part of classroom teaching, although not taking up too much time, but “pull one through the body ”. Clever and appropriate class into the preface as a good movie prelude, a good music prelude, a good book preface, to preconception, to attract students ’attention, arouse students’ curiosity, active student thinking, the students Gradually introduce the classroom theme, so that they are interested in learning to participate in the classroom. Therefore, class introduction is classroom teaching