公开课、示范课、研究课一直以来都是中小学教师专业成长的重要推动力。教师把自己对于教育教学的思考和理念通过这些课展示出来,供大家研讨借鉴。许多优秀的教师从这些课中脱颖而出,他们的教育教学思想也通过这样的平台被大家所熟知。著名特级教师窦桂梅就曾说过:“我们须互相打开教学的大门,互相听课、 Open class, demonstration class, research class has always been an important driving force for professional growth of primary and secondary school teachers. Teachers put their thoughts and ideas for education and teaching through these lessons are shown for reference for everyone to discuss. Many excellent teachers stand out from these lessons and their teaching and educational ideas are also well known through such a platform. Famous super-teacher Dou Guimei once said: ”We have to open the door to each other teaching each other lessons,