“同课异构”教学模式要求教师在教学实践中不断反思与优化,达到教学效果的最优化。实施“同课异构”教学模式,有利于打造高效课堂,促进教师专业化发展。一、备课阶段优化实施“同课异构”1.发挥备课组的力量,突破重难点“同课异构”教学模式的备课是集体备课的形式。在集体备课中,教师将教学难点、易混知识点、有争议的 “Lesson heterogeneous ” teaching mode requires teachers to constantly reflect and optimize in teaching practice, to achieve the optimization of teaching effectiveness. The implementation of “heterogeneous ” lecture “teaching mode, is conducive to creating efficient classroom, to promote the professional development of teachers. First, the preparation phase of the implementation of optimization ”Lesson heterogeneous “ 1. To play the power of lesson preparation group, breaking the heavy and difficult ”lesson heterogeneous " teaching mode lesson preparation is a form of collective lesson preparation. In the collective lesson preparation, teachers will teach difficult points, easy to mix knowledge points, controversial