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实行高中会考制度以后,学生在高三阶段学习化学的主要任务是复习。复习的形式有单元复习、总复习和专题复习。其中单元复习所占时间最多,是复习的主要形式。单元复习的内容为普遍中学化学课程所规定的基本概念和基本理论、常见元素的单质及其化合物、有机化学基础知识、化学计?
After the implementation of the high school entrance examination system, students in the third phase of learning chemistry’s main task is to review. Review of the form of unit review, the total review and special review. Unit review which accounts for the most time is the main form of review. The contents of the unit review are the basic concepts and basic theories stipulated in the general secondary school chemistry curriculum, the simple elements of common elements and their compounds, the basic knowledge of organic chemistry, and the stoichiometry?