新课程提倡学生自主学习,让学生从自身已有知识经验出发,分析当前问题的基本结构,洞察问题中所隐含的基本关系,进行辨别、分析、综合和推论,与其他同学讨论交流,最终解决问题.问题解决活动会使学习者更主动、更广泛、更深入地激活自己的原有经验,理解分析当前的问题情境,对知识产生更 The new curriculum encourages students to learn independently, starting from their own knowledge and experiences, analyzing the basic structure of the current problems, understanding the basic relationships implied in the problems, and making discernment, analysis, synthesis and deduction, discussing and exchanging with other students, and finally Problem-solving activities will enable learners to be more active, more extensive and more in-depth activation of their own original experience, understanding and analysis of the current problem situation, the knowledge generated more