教材是用于教学与学习活动的媒介或知识载体,也是教学的重要依据,有其内在的逻辑结构和科学性要求。时代在变迁,社会在发展,教材不可避免会滞后,脱节于时代的发展。作为教师应该把握时代对教学的要求,在充分理解和运用教材的基础上,能从学生的经验和内在需要出发,根据教材提供的材 Teaching material is a medium or knowledge carrier used for teaching and learning activities. It is also an important basis for teaching, with its inherent logical structure and scientific requirements. Times change, society is developing, teaching materials will inevitably lag, out of step with the development of the times. As a teacher should grasp the requirements of the times for teaching, on the basis of full understanding and use of teaching materials, from the students' experience and internal needs, according to materials provided by the material