课堂上,教师通过“提问——回答——反馈”环节,有效地帮助学生回忆旧知、掌握新知、培养能力,并对学生的表现进行矫正补救,从而使课堂教学在师生和谐共鸣中有序推进。一般来说,课堂问答包括发问(教师或学生提 Classroom, teachers through the “question - answer - feedback” link, effectively help students recall the old knowledge, grasp the new knowledge, ability to develop and correct the performance of students to remedy, so that classroom teaching in harmony between teachers and students Orderly advance. In general, class questions and answers include questioning (teacher or student mentioning)