一、轻松、民主、和谐的课堂学习氛围是构建积极、有效互动的前提条件1、教师的角色定位问题长期以来,教师把自己更多地定位为管理者和控制者。为了维持课堂纪律和课堂教学,学生一般不被允许发出信号,他们要听从教师的指令,允许做什 First, the relaxed, democratic and harmonious classroom learning atmosphere is to build a positive and effective interaction of the prerequisites 1, the role of teachers to position the problem For a long time, teachers have positioned themselves more as managers and controllers. In order to maintain classroom discipline and class teaching, students are generally not allowed to signal that they should obey the instructions of the teacher and allow