课,是传道者、授业者向学习者或公众在一定的场合、环境中借用一定的手段、措施进行的教学活动,是教师的教学艺术与教学风格、教学对象实际水平与能力以及教师对教材内容的理解与把握的有机结合,促进学习者进步和发展。 Lesson is a teaching activity that the preacher or the lecturer borrowed from a learner or the public on certain occasions or circumstances and borrowed certain measures and measures. This is the teaching art and teaching style of the teacher, the actual level and ability of the teaching object, Content understanding and grasp the organic combination of promoting learner progress and development.