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对近年高考化学试卷以及考生答卷的失误.我作了细致的分析,从中得到许多启示,我确信考生失误的主要原因是,化学基础知识不扎实,没有准确理解化学基本概念的内涵和外延,不能娴熟地用概念判断和解答问题,综合运用所学知识进行分析推理和解决问题的能力不够强,不能准确表达要说明的问题;实验知识和技能不熟练,计算能力不强,缺乏应有的计算技巧.
I have made careful analysis of the recent college entrance examination chemistry papers and the mistakes made by candidates. I believe that the main reasons for the errors of candidates are that the basic knowledge of chemistry is not solid, and the connotation and extension of basic concepts of chemistry cannot be accurately understood. Familiar with the concept of judgment and answer questions, the ability to analyze and reason and solve problems using the learned knowledge is not strong enough to accurately express the problem to be demonstrated; experimental knowledge and skills are unskilled, calculation ability is not strong, lack of due calculation skill.