教材是知识的载体,是师生教与学的中介,它为学生提供了学习活动的基本材料,教师是否能准确把握教材的编写意图,会直接关系到课堂的教学效率。纵观平时的课堂教学,感觉在这方面老师们不是太重视,就教材讲教材的现象比较普遍。笔者认为,在充分理解教材编排意图的基础上,结合班级学生的实际,对有关的例题、情境、练习进行适 Teaching material is the carrier of knowledge, the teacher and student teaching and learning intermediary, which provides students with the basic materials for learning activities, whether teachers can accurately grasp the preparation of teaching materials will be directly related to classroom teaching efficiency. Throughout the usual classroom teaching, teachers feel in this regard is not too much emphasis on teaching materials to teach the phenomenon is more common. The author believes that on the basis of fully understanding the intension of teaching material arrangement, combined with the actual class students, the relevant examples, situations, exercises suitable