【案例背景】3月1日至2日,我参加了深圳市直属学校新教师中期培训,有幸聆听了深圳市初中学科带头人魏国良老师《一个命题探究,三次备课》的讲座。魏老师指出,三次备课主要是:一是摆进自我,不看任何参考书与文献,全按个人见解准备方案;二是广泛涉猎,分类处理各种文献的不同见解后修改方案;三是边教边改,在设想与上课的不同细节当中,区别顺利与困难之处,课后再“备课”。简单的几句话却道出了备课的真谛,给 【Case Background】 From March 1 to March 2, I participated in the mid-term training of new teachers in Shenzhen directly under the school. I was fortunate enough to listen to a lecture entitled “A Proposition Study and Three Preparation Lessons” of junior high school academic leader in Shenzhen. Teacher Wei pointed out that the three preparatory courses mainly include: one is to be self-centered, not to read any reference books and documents, and to prepare the proposal entirely on the basis of personal opinions; secondly, to diversify and deal with different opinions after various literatures are dealt with; Teaching and reform, in the different details of the idea and the class, the difference between the smooth and difficult place, after class “lesson preparation ”. A few simple words but revealed the true meaning of lesson preparation, to