课堂以学生为主已成当下共识。但在实践中,绝大多数时候教学还是按照老师的预设走,预设到每一个环节的课堂缺乏学生主动探索的热情,自主思考的习惯,思维碰撞撞的火花。如何让学生的情感、思维在课堂中动起来?如何变老师“传授”知识为学生主动“探索”知识? Classroom-based students has become the consensus. However, in practice, most of the time teaching is still in accordance with the teacher’s default, the default to each part of the classroom lack of enthusiasm for student initiative to explore, the habit of thinking independently, the collision of thinking sparks. How to make the students ’emotions and thoughts move in the classroom? How to change the teacher “imparting ” knowledge to the students ’ “exploration ” knowledge?