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新课改后,化学教材呈现了巨大变化,由最开始厚厚的三本书,变成薄薄的几本必修、选修教材。知识呈现螺旋化,除了正文外,还有“思考与交流”“学与问”“提示”“资料卡片”“实践活动”“科学探究”“科学史话”“科学视野”“归纳与整理”等学习活动。一、为什么要在教材研究中重视教材习题?1.教材习题的功能平心而论,教材习题的题目比较典型,但难度不够,所以出现了“老师不屑讲、学生不肯做”的现象。但我认为新授课中的习题,不在于大和难,关键在于它要达成
After the new curriculum reform, chemistry teaching materials showed great changes, from the beginning of three thick books, into a few thin compulsory, optional textbooks. In addition to the main text, there is also “thinking and communication”, “learning and asking”, “hint”, “information card”, “practical activity”, “scientific inquiry” Scientific history “” scientific vision “” induction and finishing “and other learning activities. First, why should we attach importance to textbook exercises in the textbook research? 1. The function of textbook exercises In all fairness, textbooks exercises more typical topics, but the difficulty is not enough, so there has been ”teacher disdain, students refuse to do " phenomenon. However, I think the exercise in the new lectures lies not in the issue of peace and harmony, but the key point is that it is to be achieved