教案是教学的基本方案,决定着教学的基本程序和师生的思维流程。因此,教学必然要预设,教学也离不开预设,但教学又反对亦步亦趋、不敢越雷池半步的预设,过于拘泥预设,教学必然趋于僵化。教学的过程就是在预设与生成中寻求动态平衡的过程,要善于把握和捕捉动态生成的契机,这样的教学才会充满生机,富有活力。联系实际,捕捉契机;激活思维,打造亮点。理想的课堂教学,教师必须善于联系实际,将抽象的理论知识与 Teaching plan is the basic program of teaching, determines the teaching of basic procedures and teachers and students thinking process. Therefore, teaching must be presupposed, teaching is inseparable from presupposition, but teaching is also opposed to every move, can not leap lean pool half-step preset, too rigidly premeditated, teaching tends to be rigid. Teaching process is the process of seeking dynamic balance between presupposition and production. It is necessary to be good at grasping and capturing the opportunity of dynamic generation so that teaching can be full of vitality and vitality. Contact reality, capture opportunities; activate thinking, create highlights. Ideal for classroom teaching, teachers must be good at linking reality with abstract theoretical knowledge