【编者按】“课例研究是一种以课例为载体,在教学行动中开展包括专业理论学习在内的教师教育模式”。具体地讲,课例研究是在专业理论引领下,同伴互助、实践反思的过程,紧紧围绕“问题”引发出新旧教学理念在研究过程中发生的碰撞和交锋,为专家与教师之间、同事之间的对话、合作、交流搭建合作的平台。在此过程中,教师是课例研究 [Editor’s note] “Case study is a case as a carrier, in the teaching of activities, including professional theory, including teacher education model ”. Specifically, the case study is the process of mutual aid and practice reflection under the guidance of professional theory, closely surrounding the “problem” and triggering collisions and confrontations between the new and old teaching ideas in the research process, Dialogue among colleagues, cooperation, exchanges and cooperation to build a platform. In the process, teachers are case studies