新课程改革中,教师都特别注重教学方法和手段的创新以及教学形式的多样化,然而教学内容却大多仍与生活相脱离,使学生长期处在一种无兴趣、无求知欲望的解决习题的学习之中,无法在头脑中形成对物理世界本质的完整、深刻的认识.正如杨振宁先生所说“尽管他(学生)吸收了很 In the new curriculum reform, teachers pay special attention to the innovation of teaching methods and means as well as the diversification of teaching forms. However, most of the teaching contents are still separated from life, leaving the students for a long time in solving the problem of no interest and no desire for knowledge In learning, we can not form a complete and profound understanding of the nature of the physical world in our minds, as Mr. Yang Zhenning said: ”Although he (the student) absorbed