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自从’97高考化学科《考试说明》的“能力与能力品质”篇中首次提出在思维能力中要求“对原子、分子、化学键等微观结构有一定的三维的想像能力”以来,连续三年的高考化学试题中都设置了重点考查这一能力的考题,它要求考生通过对图形、结构模型的观察、想像和迁移来解决问题。鉴于当前中学生中空间概念是一个薄弱环节,而空间概念又是重要的学科素质构成部
Since the “Competence and Competency Quality” of the “97 College Entrance Exam Chemistry” “Test Description” has proposed for the first time that “three-dimensional imagination of atomic, molecular, and chemical bonds, etc.” has been required in thinking ability for three consecutive years. Chemical examination questions in the college entrance examination are all set to focus on examination of this ability. It requires candidates to solve problems by observing, imagining and migrating graphs and structural models. In view of the current concept of space in middle school students is a weak link, and the concept of space is an important part of the quality of the composition of the subject.