（1）让学生说教材。可以说教材的结构系统，也可以说教材的重点难点；可以说自己对教材的肤浅认识，也可以说自己对教材的深刻理解。掌握教材是培养能力、提高觉悟的前提基础。通过说教材，学生们进一步弄清了教材的知识系统，加深了对教材知识的记忆，突出了对教材重点难点的 (1) Ask students to speak textbooks. It can be said that the structural system of textbooks can also be said to be the key point of the textbooks; it can be said that they have a superficial understanding of the textbooks and can also say that they have a profound understanding of the textbooks. Mastering the teaching materials is the prerequisite basis for cultivating ability and enhancing awareness. Through the teaching materials, the students further clarified the knowledge system of the teaching materials, deepened the memory of the teaching materials, and highlighted the key and difficult aspects of the teaching materials.