良好的开端是成功的一半。导入的好坏是决定课堂教学效益高低的关键因素之一。一个好的教学导入,如高手对弈,第一招就为全面胜利铺垫基础,有一石激起千层浪之妙;又如钢琴家演奏,发出的第一个音符就悦耳动听,给人一种艺术享受。学生在教师创设的这种良好的教学情境中,能自然而然地激发学习兴趣,启迪思维,进入最佳学习状态。 Well begun is half done. The quality of the introduction is one of the key factors determining the effectiveness of classroom teaching. A good introduction of teaching, such as master chess, the first move prepares for the foundation of a full victory, there is a stone to arouse the miracle of the waves, and if the pianist plays, the first note issued is pleasing, giving a kind of Art enjoyment. In this kind of good teaching situation created by teachers, students can naturally stimulate learning interest, enlighten their thinking, and enter the best learning state.