俗话说:“良好的开端是成功的一半”。一场戏有了一个引人入胜的开场白就赢得观众;一篇文章有了一个好的开头就能吸引读者。同样,一堂课若有一个良好的导入就能吸引住学生。这样不仅可以把学生分散的注意力集中起来,而且还培养了学生的学习兴趣,激发了学生的好奇心和求知欲,诱发学生的思维,引导学生进入预定的教学轨道,使学生一上课就有了明确的探索目标和正确的思考方向,从而使课堂教学收到事半功倍的效果。 As the saying goes: “A good start is half of success.” A play has a fascinating opening to win the audience; a good beginning of an article can attract readers. Similarly, a good introduction of a class can attract students. This will not only focus the students’ distractions, but also cultivate students’ interest in learning, inspire students’ curiosity and desire for knowledge, induce students’ thinking, guide students into the planned teaching track, and enable students to enter class. A clear exploration goal and a correct direction of thinking, so that classroom teaching has received more results.