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一要有的放矢,忌进退失据。课外知识的引入,是讲授课本知识的辅助。为什么要引入,针对什么引入,应做到心中有数、有的放矢。如果漫无目的,心血来潮,或者为炫人耳目,显示渊博,便会信口开河,让人听后找不着北。如某教师上《陈涉世家》,这位老师教学目的不是很明确。但凡关于《史记》、作者的材料故事一一收罗。为什么要讲,讲到何处停下来,有欠考虑,这种进退失据的课堂引入,盲目扩大知识讲授范围,会干扰课文教学方向,打乱课堂教学重点。
One must be targeted and avoid losing or losing. The introduction of extracurricular knowledge is an aid to teaching textbook knowledge. Why should we introduce it? What should we introduce? If there is no purpose, a whim, or a show for the eye, it will open up the mouth, and people will not be able to find the North after hearing it. For example, when a teacher is on Chen Chenshi’s family, the teacher’s teaching purpose is not very clear. However, all the stories about the “Historical Records” and the author’s material were collected. Why do we have to talk about where to stop and what we don’t think about? This introduction of classrooms with impotence and blindly expanding the scope of knowledge teaching will interfere with the direction of teaching and disrupt the focus of classroom teaching.