公开课通常有两种形式:第一种是示范课,是对某种教学法有心得,或是有创新,演示给同行们,起指导、示范作用。另一种是研究课,是对某种教法或某个问题进行探讨研究。如近年来的“聚焦课堂”采用的“同课异构”方式,即同一个内容,由不同的老师根据自己的特点和学生的水平设计,用不同的方式 Open class usually has two forms: the first is a demonstration lesson, is a teaching method of experience, or innovation, to demonstrate to colleagues, a guide and demonstration. The other is the research class, is a kind of teaching or a problem to study. For example, in recent years, “focus class” adopts the “same-class heterogeneous” approach, that is, the same content is designed by different teachers according to their own characteristics and student’s level. In different ways