教师应深入钻研教材银川一中王述姚教师的主要工作是讲课。为了把课讲好，在课前要进行一系列的准备工作，包括熟悉大纲、钻研教材、参阅资料、了解学生、编写教案等等，这些工作，统称为备课。只有课备得充分，才能把课讲好。钻研教材是备课的重要内容，教材是众多专家根... Teachers should delve deep into the teaching materials. The main job of Wang Shuyao in Yinchuan Yizhong is to teach. In order to speak well, a series of preparations must be made before class, including familiarizing with the outline, studying teaching materials, reading materials, understanding students, writing lesson plans, etc. These tasks are collectively referred to as lesson preparation. Only when class preparation is sufficient can the class speak well. Studying teaching materials is an important part of lesson preparation. The teaching materials are the roots of many experts...