中学化学教学大纲指出,要“把学生学过的知识进行整理,使之系统化”。这一要求,在平时的化学教学中固然要重视,在高考前的总复习中尤其要多下功夫,因为它是培养学生综合能力的有效方法。知识的归纳整理一般分专题,在专题复习阶段 The chemistry syllabus for middle schools points out that it is necessary to “organize and make systematic the knowledge that students have learned”. This requirement, in the usual chemistry teaching, should be emphasized. In the general review before the college entrance examination, we must especially work hard, because it is an effective method to cultivate students’ comprehensive ability. The generalization of knowledge is divided into special topics during the review phase of the project