备课是上好课的前提。要克服备课一开始就上网搜素的不好习惯,老师先自我思考建构,再讨论,再求证,再思考,形成精案,下一次上课又经过同样的草案、共案、个案、定案、预案、翻案再到精案的过程,经过这样反复循环精益求精的过程,教师的上课也才会具有特色,也才能提高教学的有效性。 Preparation is a good lesson on the premise. To overcome the bad habit of searching the Internet at the beginning of class preparation, the teacher first self-thinking construction, and then discuss, and then verify, think again, to form a fine, the next class after the same draft, a total of cases, cases, , Turn the case and then refine the process, after such a cycle of continuous improvement of the process, the teacher’s class will have a unique, but also can improve the effectiveness of teaching.