高效课堂的“高效”来自师生、生生关系的密切和学习过程中的高密度交流。真正做到了把教学变为“交”学,在民主、平等的前提下,师生互动、生生互动;课内互动,课外互动;思想互动、情感互动。正是无处不在的交流和互动,促使师与生、生与生之间,牢固形成一个又一个共同体,促成学生学习和师生发展的高效。传统课堂不重视师生关系建设,这种以教为本的课堂,师生分工泾渭分明,几乎没有交集,所以基本上没有交流和互动。有人说,传统课堂也有课堂提问和学生的黑板板书,怎么能说没有互动交流呢?其实,真正的互动交流,除了要求师生在人格上建立起平等的主体关系外,在操作和情感层面还必须满足三个条件:第一,互动双方要有备而来,做到信息基本对称,相互进入对方最近交流区;第二, Efficient classroom “efficient ” from teachers and students, close relationship between life and learning process of high-density exchange. Under the premise of democracy and equality, teacher-student interaction and life-and-body interaction are realized; interaction within and after class, interaction of thoughts and interaction of emotions are truly realized. It is the ubiquitous exchange and interaction that promotes the formation of one community after another between teachers and students, students and students to promote student learning and the efficient development of teachers and students. Traditional classrooms do not pay attention to the construction of the relationship between teachers and students. This kind of teaching-oriented classroom, the division of work between teachers and students is quite distinct and hardly interlaced, so there is basically no exchange and interaction. Some people say that there are also classroom questions and students’ blackboard writing in the traditional classroom. How can we say that there is no interaction? In fact, in addition to requiring teachers and students to establish an equal and subjective relationship in personality, at the operational and emotional levels There are three conditions that must be met: First, both sides of the interaction have to be prepared to achieve the basic symmetry of information and enter each other’s recent exchange areas; second,