一、学案教学的提出众所周知 ,教师备好教案是课堂教学的重要环节。但教师根据教案组织教学时 ,学生的接受过程往往是被动的 ,课堂教学效率往往是不高的。那么 ,怎样才能让学生积极主动地学习呢 ?尝试教学理论认为 :知识和技能是通过尝试—错误—再尝试这样一个往复过程习得的 First, the teaching of the case is well-known, teachers prepared lesson plans is an important part of classroom teaching. However, when teachers teach according to the teaching plan, the student’s acceptance process is often passive, and the efficiency of classroom teaching is often not high. So, how can students learn proactively? Try teaching theory that: Knowledge and skills are learned through try-and-error and try again.