课堂提问是教学的一大重要手段,是体现教师主导作用、学生主体地位的重要表现,是沟通师生情感和反馈信息的重要途径,也是培养学生的思维能力和独立问题解决能力的重要举措。因此,教师要对教材内容进行归纳、筛选,选择那些能牵一发而动全身的关键点,提升学生的主体作用,使他们的思维在“发散”与“集中”中前行。 Classroom questioning is an important means of teaching, an important manifestation of teacher’s leading role and student’s subjective status. It is an important way to communicate teacher’s and students ’emotions and feedback information. It is also an important measure to train students’ thinking ability and ability of solving independent problems. Therefore, the teacher should summarize the contents of the textbook, select and select the key points that can lead the whole body, so as to enhance the students’ main body function and make their thinking move forward in “Divergence ” and “Concentration ” .