提问是教学的常用手段 ,它要求学生积极思考并及时回答 ,是引发学生智力活动、检查学习结果的有效方法 .在现实的课堂教学中 ,提问已成为体现学生主体性、引导学生主动参与知识学习的主要手段 ,有统计表明 ,一堂课师生间的问答时间占了整节课的 5 1 % [1] .但是值得忧虑的是 ,? Questioning is a common method of teaching. It requires students to think positively and respond in a timely manner. It is an effective way to trigger students’ intellectual activities and check the learning results. In practical classroom teaching, questioning has become a manifestation of student subjectivity and guides students to actively participate in knowledge learning. The main means for statistics are that the question and answer time between teachers and students in a class accounted for 51 percent of the entire class [1]. But what is worth worrying about?