化学是在初三才开设的学科,经过不到一年的学习就要面临中考,因此化学复习在化学学科教学中占有很大的比重。有效的复习方法不是简单、机械地重复所学知识,也决非把原来的教学活动再重现一次,而是把初中阶段所学过的知识进行综合、归纳、分类并使之系统化,使学生通过复习具有解 Chemistry is the only discipline opened in the third year, after less than a year of study will face the test, so chemical review in chemistry teaching occupies a large proportion. Instead of simply and mechanically repeating what they have learned, the effective method of reviewing is not to reproduce the original teaching activity once more, but rather to synthesize, generalize, classify and systematize the knowledge of the junior high school Students have a solution by reviewing