“发明千千万,起点是一问”。教育家叶圣陶曾说过:“教师不仅要教,而且要导。”如何导呢?他说“一要提问,二要指点”。优秀的教师总是善于在课堂上运用“提问”来启迪学生的心智,引导学生获得知识。问题是思维的起点,也是思维的动力。课堂提问是教师教学技能的重要组成部分,也是常用的教学手段 “Thousands of inventions, the starting point is a question ”. The educator Ye Shengtao once said: “Teachers not only teach, but also guide.” “How to guide it?” He said, “I have to ask questions. Excellent teachers are always good at using ”questions" in class to inspire students’ minds and guide students to gain knowledge. The problem is the starting point of thinking, but also the driving force of thinking. Classroom questions are an important part of teachers’ teaching skills and are also commonly used teaching methods