教学上的首要问题在於对大纲精神的掌握与教材的深入。只有如此,才能抓住教材的重点,教材中各个概念的前後有机联系,才能傅授给学生一个明确而完整的知识。所以,每一节课的讲授,必须注意到前节课的知识是怎样地为这节课打下基础,这节课又是怎样地为下节课打下基础。自然一节课中新课的讲授是主要的一环。但新課的讲授是建立在系统性原则上的。如此,新课的进行才能顺利,学生的接受才感到容易。高中第一册氯化氢的教学,它是关联到氯一节教学中的氯与氢的化合这一概念的。大纲是这样指出的,教材也是这样着重编写的。只氯与氢的化合就安排了 The primary problem in teaching lies in the mastery of the outline spirit and in-depth teaching materials. Only in this way can we grasp the key points of teaching materials and the organic relations before and after the various concepts in teaching materials so as to give the students a clear and complete knowledge. Therefore, the teaching of each lesson must take note of how the knowledge of the previous lesson laid the foundation for the lesson, and how the lesson laid the foundation for the next lesson. The teaching of a new course in a natural class is a major part. However, the teaching of the new course is based on systematic principles. In this way, the new class can be carried out smoothly, the student’s acceptance is easy. The first volume of high school hydrogen chloride teaching, it is associated with the teaching of chlorine in chlorine and hydrogen compound this concept. The outline is so pointed out, the textbook is so prepared. Only the combination of chlorine and hydrogen arranged