如何让学生“会提问题”,引导学生“选择自己可以研究的问题”,这是教学方法的选择,也是教学目的的要求。从“海题”转变到“会提”,更需要教师教学的智慧。 How to make students “can ask questions” and guide students to “choose their own problems that can be studied” is the choice of teaching methods as well as the requirements of teaching purposes. From “sea question” to “will mention”, but also the wisdom of teacher teaching.