一、问题的提出据2004年对上海部分重点中学学生的调查,有93.5%的学生上过网①。可见,网络已经成为学生学习与生活中的重要组成部分,其对中学生的学习与思维方式产生了重要影响。二期课改倡导合理灵活地利用各种课程资源和信息技术进行学习,实现学习方式的多样化,通过多种途径 First, the issue raised According to the 2004 survey of some key high school students in Shanghai, 93.5% of students on the Internet ①. Can be seen, the network has become an important part of student learning and life, which has a significant impact on the learning and thinking of middle school students. The second course reform advocates a reasonable and flexible use of various curriculum resources and information technology to learn, to achieve diversification of learning through a variety of ways