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根据《考试说明》的要求,以及氧化还原在中学化学教材中所占的地位,我们有必要对氧化还原反应再次进行细细的品味,会发现有许多对我们教学和学习很有帮助.一、有趣的一幅画可以帮我们迅速掌握氧化还原反应与四种基本反应类型之间的关系
According to the requirements of the “Exam Description” and the redox status in the chemistry textbooks of secondary schools, it is necessary for us to rediscover the redox reaction again and again. We find many helpful to our teaching and learning. Interesting picture can help us quickly grasp the redox reaction and the relationship between the four basic types of reactions