备课是上课的前提,对一节成功的课来说,课前的准备很关键。每节课前,作者细心钻研教材,找准知识点、重难点。每节课重点如何掌握,难点如何突破,根据学生的认知水平,每个学生接受知识的能力,达成度分别是多少,教师都要心中有数。只有准备充分,上课才能做到得心应手、游刃有余。 Preparation is the prerequisite for class, for a successful lesson, the preparatory preparation is the key. Before each class, the author carefully studied teaching materials, identify the knowledge points, heavy and difficult. How to master the key points of each lesson, how difficult breakthroughs, according to the level of cognitive students, each student’s ability to accept knowledge, the degree of achievement is the number of respectively, teachers have a mind. Only prepared, class can be handy, ease.