“课前导入”是课堂教学的重要一步。好的导入,能创造一个良好的教学气氛,在很短的时间内诱导学生进入积极的思维境地,引起学生浓厚的学习兴趣,调动学生学习的主动性,收到很好的教学效果。所谓导入,就是通过某种手段将所传授的知识传导给学生。这里,“导”是手段,“入”是目的。“导”的方式是多种多样的。下面就中等师范教材浅谈 “Before class” is an important step in classroom teaching. A good introduction can create a good teaching atmosphere, induce students into a positive thinking environment in a short period of time, arouse students’ strong interest in learning, mobilize their initiative in learning, and receive good teaching results. The so-called introduction is to transfer the imparted knowledge to students through some means. Here, “guidance” is a means, and “entry” is a goal. The “guide” approach is varied. The following on the secondary normal teaching materials