美国的教育家肯尼思说:“整个教学的最终目标是培养学生正确提出问题和回答问题的能力。任何时候都应鼓励学生提问。”教师的责任应该是使学生无疑而有疑,有疑而思解,解疑而心悦。亚里士多德说:“思维自疑问和惊奇开始。”问题是人们求知的动力基础, Kenneth, an educator in the United States, said: “The ultimate goal of the whole teaching is to develop students’ ability to ask questions and answer questions correctly. Students should be encouraged to ask questions at any time.” The teacher’s responsibility should be to make the students doubtless, Doubt and thinking, solution and pleasure. Aristotle said: “Thinking begins with questions and surprises.” The issue is the motivation base for people to know,