目前,课程改革在课堂教学层面所遭遇到的最大的挑战就是无效或低效问题。可以说提高课堂教学的有效性是当前深化课程改革的关键和根本要求。那么,什么是有效教学?我认为通俗的理解就是一节课下来,学生很轻松地掌握了这一节课需要掌握的知识,学生和教师的心情都是轻松愉快的, At present, the biggest challenge that the curriculum reform has encountered in the classroom teaching is invalidation or inefficiency. It can be said that improving the effectiveness of classroom teaching is the key and fundamental requirement for deepening the current curriculum reform. So, what is effective teaching? I think the popular understanding is a lesson down, the students easily grasp the knowledge you need to master this lesson, students and teachers are relaxed and happy mood,