新课程标准明确提出了“自主学习、合作学习、探究学习”的教学理念,为了更好地贯彻这一理念,我校实行了小组合作学习方式,采用“学生自主学习一小组合作一交流展示一反馈补救”四步法进行教学。因为整个过程均借助学案进行教学,所以学案决定了学习的效果,关系到教学质量,成为教学过程的关键因素。由于教师个人经历、教学阅历、思维角度等方面存 The new curriculum standards clearly put forward the teaching philosophy of “self-study, cooperative learning, and inquiry learning.” In order to better implement this concept, our school implements a group cooperative learning method and adopts “self-learning by students. Exchange shows a feedback remedy "four-step method for teaching. Because the whole process is taught with the help of academic case, the academic case determines the effect of the study and relates to the quality of teaching. It is a key factor in the teaching process. Due to teachers’ personal experience, teaching experience, thinking angles, etc.