一、有规则“自由课堂”的特点“建构主义”认为,教学过程是建立在最近发展区之上,将学生的现有发展水平提升到潜在发展水平,经历一个螺旋上升式的渐进过程.“学材再建构”就是在充分尊重学生的现有知识水平和思维能力的前提下,创造性地使用教材、教辅等各种学习材料,对学习材料进行修正、补充、加工,逐渐建构生成新的知识,完善知识体系,让学生体验到学习的乐趣.这样,学生的学习态度、学习目的以及 First, there are rules “free classroom ” characteristics “Constructivism ” that the teaching process is based on the recent development zone, the student's existing level of development to a potential level of development, through a spiral-like Gradual process. “” The re-construction of learning materials "is to fully respect the existing knowledge of students and the ability to think under the premise of the creative use of textbooks, teaching aids and other learning materials, the learning materials to amend, supplement, processing , And gradually build new knowledge generated, improve the knowledge system, so that students experience the fun of learning.Thus, students learn attitude, learning objectives and