课堂是个多元体,组织无比复杂。以往人们多从教师和学生双向去探讨课堂教学,很少把教材加进教学空间,认为教材处理是教师在课下准备的。因而课堂教学的组织和评价,往往把教材作为靜止的对象,被动地被运用。笔者认为,在课堂教学中把教师——教材——学生,三者加速变迁节奏,即加快教学节奏,是提高课堂教学质量的一个途径。心理学理论告诉我们:注意从其发生来说是机体的一种定向反射。定向反射是由周围环境的变化引起的。在课堂上,教师、教 Classroom is a multi-body, organization is extremely complex. In the past many people from both teachers and students to explore the classroom teaching, teaching materials rarely included in the teaching space, that the teaching materials processing is prepared for teachers in the class. Therefore, classroom teaching organization and evaluation, teaching materials are often static objects, passive use. The author believes that in the classroom teaching to teachers - textbooks - students, three accelerated pace of change, that is, to speed up the teaching pace is to improve the quality of classroom teaching as a way. Psychological theory tells us: Note that from the point of view it is a kind of directional reflex of the body. Directional reflection is caused by changes in the surrounding environment. In the classroom, teachers, teaching