板书是教师用浓缩的书面语言对知识点的提炼,体现了教师解读、开发教材的能力。课题是板书的重要组成部分,如果把板书比作一节课的筋骨,课题就是赋予这副筋骨的灵魂。然而课题的揭示不只是为了完成板书,它的作用举足轻重,处理恰当又点睛之效,揭示课题的时机与方法灵活多变,巧妙各有不同。 The blackboard is the teacher’s condensed knowledge of the extraction of written language, reflecting the ability of teachers to interpret and develop textbooks. The subject is an important part of the blackboard. If the blackboard is likened to the bones of a class, the subject is to give the soul to the bones. However, not only to reveal the subject for the completion of the blackboard, its role in decisive importance, to deal with appropriate and eye-opening effect, reveals the topic of timing and methods are flexible and clever and have different.