一种教材,一般要经得起千锤百炼,因为它是教师开展日常教学的依据,是学生学习仿照的模板.因此,无论是教材的编写者还是教学的设计者,都要尽量考虑从学生的角度出发,要从学生的认知基础、认知结构去设计教学,引领学生主动地探索知识,发展其探索创新的能力与潜力. A teaching material generally can stand the test of wisdom because it is the basis for teachers to carry out daily teaching and is a template for student learning modeled.Therefore, both the author of the teaching materials and the designer of teaching should try to consider from the perspective of the students Starting from the cognitive basis of students, cognitive structure to design teaching, to lead students to explore the knowledge of the initiative to develop their ability to explore innovation and potential.