预选后的化学复习是中学化学总复习的一个重要组成部分,是预选前化学复习的继续和深入。该阶段复习的指导思想,应以学生的复习为主体,查缺补漏,狠抓学生的逻辑思维能力和创新能力的培养。通过预选前的复习,学生基本上把中学化学内容复了一遍,在化学概念的深化、知识的系统化、技 The pre-selected chemistry review is an important part of the review of chemistry in secondary schools, and it is the continuation and in-depth study of pre-selection chemistry review. The guiding ideology for review at this stage should be based on student review, identify gaps, and pay close attention to the cultivation of students’ logical thinking ability and creative ability. Through the pre-selection review, students basically rehearsed the chemistry content of middle school, deepening the concept of chemistry, systematizing knowledge, and technology.