课堂是一个由学生、教师、教材三个基本要素建构而成的立体网络系统。要正确把握课堂教学内容的深度,根据内容的难易度,思维活动量的大小,学生的接受能力等来调整上课的节奏,并给予学生足够的思考时间,让其达到“知其然,更知其所以然”的境界,同时对不同学生分层、分类评价,这样才能彰显课堂张力。 The classroom is a three-dimensional network system constructed by the three basic elements of students, teachers and teaching materials. To correctly grasp the depth of classroom teaching content, according to the content of the difficulty, the amount of thinking activity, the ability of students to adjust the rhythm of the class, and give students enough time to think, let it reach More aware of the reason why ", at the same time stratification of different students, classification, evaluation, so as to demonstrate the classroom tension.