《论语.魏灵公》:“工欲善其事,必先利其器。”“器”:工具。要做好工作,先要使工具锋利。比喻要做好一件事,准备工作非常重要。这当然也包括教师上课前要作好充分的准备工作。通常,人们认为教师的课前准备就是备课,钻研教材,吃透教材。我认为这叫备教师,还应该有备学生这一说 “The Analects of Confucius. Wei Linggong”: “If a worker wants to do good things, he must first sharpen his tools.” “Mechanism”: Tools. To do a good job, first make the tool sharp. Metaphor to do one thing, preparation is very important. Of course, this also includes teachers who must make full preparations before class. Usually, people think that teachers’ preparation before class is to prepare lessons, study teaching materials, and thoroughly understand the teaching materials. I think this is a teacher, and there should be a student