1现状调查在现行中学数学新课标教材中,“函数”这个概念,最早出现于初中义务教育课程标准实验教材《数学》八年级上册[1-3].函数概念的教学,在初中采用“变量说”,在高中采用“对应说”,这种安排基本上是遵循函数概念历史发展的本来顺序,也符合人们对于函数概念认识过程上的发 Survey of the status quo In the current middle school math new curriculum standard textbook, the concept of “function” first appeared in the junior high school compulsory education curriculum standard experimental textbook “Mathematics” eighth grade [1-3]. The concept of function teaching, Variable, “said” in correspondence "in high school, this arrangement basically follows the historical order of functional concepts, but also in line with people’s understanding of the function of the concept of hair