论文部分内容阅读
在使用新人教版教材中,诸多问题作了改进,不断趋于完善.在使用中,笔者发现该教材的“一次函数”这一章有几个值得商榷的地方,本文提出来与各位同仁探讨.1示意图让人误解在“11.1.3函数的图像”这一节,课本第101页有一例题:“例2下面的图像(图1)反映的过程是:小明从家去菜地浇水,又去玉米地除草,然后回家.其中x表示时间,y表示小明离他家的距离,小明家、菜地、玉米地在同一直线上.根据图像(图2)回答下
In the use of rookie teaching materials, many problems have been improved, and continue to improve.In use, I found that the textbook ”a function “ this chapter there are several debatable areas, this paper presents Members of the discussion .1 diagram misleading in the ”11.1.3 Function Image “ section, textbook page 101 has an example: ”Example 2 The following image (Figure 1) reflects the process is: Xiao Ming from home Go to the vegetable field to water, and go to the corn weeding, and then go home, where x said time, y said the distance from his home Xiaoming, Xiao Ming house, vegetable fields, corn on the same line. According to the image (Figure 2) to answer under