法国大作家巴尔扎克说:“打开一切科学的钥匙,都毫无异议的是‘问号’。”课堂提问是授课过程中师生交流的必要环节,它在揭示矛盾、引发思考、判断是非、唤起注意、确定导向、交流信息、训练思维等方面,都具有不可低估的作用。而在时间有限的课堂上,高效的提问就成为教师必须思考的问题。 The French writer Balzac said: “Open all the keys to science, there is no objection is the ’question mark’.” Classroom questions is an essential part of the process of teaching teachers and students to communicate, it reveals contradictions, trigger thinking, judgment Right and wrong, arouse attention, determine the orientation, exchange information, training thinking, etc., all have a role that can not be underestimated. In a classroom with limited time, efficient questioning becomes a problem teachers must think about.