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1 问题的提出学生在解决物理问题时总会碰到这样或那样的困难,帮助学生克服这些困难,是教师最重要的任务之一。但是,对学生的帮助应当注意分寸,讲究方法,著名的美国数学家波利亚在他的名著《怎样解题》中写道:“如果让他(指学生)独自面对问题而得不到任何帮助或帮助不够,那么他很可能没有进步,但若教师对他帮助过多,那么学生却无事可干。”那么,究竟怎样做才能为学生提供最为有效的帮助呢?
1 Problem Proposing Students are always confronted with difficulties in solving physical problems. Helping students to overcome these difficulties is one of the teachers’ most important tasks. However, the help of students should pay attention to measures and methods. The famous American mathematician, Polya, wrote in his famous book How to Solve Problems: “If you let him (the student) face problems alone, you won’t get them. If any help or help is not enough, then he is probably not progressing, but if the teacher helps him too much, then the student has nothing to do. Then, what exactly can we do to provide the most effective help for the students?