1情境变式介绍情境变式指在教学过程中,教师有目的地沿着某一主线不断变更问题情境,将多个问题情境“串联”起来形成一个问题系列,从而使课堂教学的各个环节成为一个有机的整体。这样可以使学生在轻松愉快的学习环境中培养情感,启迪思维,发展想像,开发智力,从而达到消除学习疲劳、激发学习兴趣、提高学习效率的目的。主线设计指的是一种串“点”成“线”的 1 Situational Variants Introduction Contextual Variant refers to the process of teaching, teachers along the main line of purpose to constantly change the situation, the problem situation “series ” together to form a series of questions, so that each of the classroom teaching Link to become an organic whole. In this way, students can cultivate emotion in a relaxed and happy learning environment, inspire their thinking, develop their imagination, and develop their intelligence so as to eliminate the fatigue of learning, stimulate their interest in learning and improve their learning efficiency. The main line design refers to a string “dot ” into “line ”