一、情境创设误区现象描述1:某教师在《指数函数》的教学中,创设了国王以麦粒奖赏国际象棋发明者的趣事,该教师津津乐道,学生也听得不亦乐乎,整个班级气氛很活跃,之后又讲了细胞分裂问题,并介绍了有关细胞分裂的一些著名生物学家。该教师语言生动幽默,词藻华丽,讲完这两个情境之后时间已过半,给出指数函数定义后对其图象和性质 First, the situation creates misunderstanding Phenomenon Description 1: A teacher in the “exponential function” teaching, the king created wheat rewards chess inventor’s interesting, the teacher relish, the students also enjoy it, the whole The class atmosphere was very active, then talked about cell division, and introduced some of the famous biologists on cell division. The teacher’s language is vivid and humorous, the words are magnificent. After the completion of these two situations, the time has been more than half. After the definition of the exponential function is given, its image and its nature