提问是教师课堂教学中最经常的行为,提问的有效性直接影响着师生的对话能否真正展开。因此,在设计问题时优化提问形式,是促进学生有效参与的重要前提。一、巧问——迅速打开思维的大门教师要善于激疑促思,或于“无疑”处设疑,或在内容深处、关键处、结合部设疑,使课堂教学时有波澜。在“圆柱的体积(练习课)”上,教师首先让同桌两名同 Questioning is the most common behavior of teachers in classroom teaching. The effectiveness of questions directly affects whether the dialogue between teachers and students can really start. Therefore, it is an important precondition to promote the effective participation of students in the design of questions to optimize the form of questions. First, Qiao asked - quickly open the door to thinking teachers should be good at doubts to promote thinking, or in the “no doubt” at the suspicion, or in the depths of the contents, the key at the junction with the Ministry of doubt, so that classroom teaching waves . In the “volume of the cylinder (practice class)”, the teacher first let the same table two with