提出了高中学生学习“复分解反应”的五个可能角度,分析了这些学习角度在促进学生认识发展上的教学功能与价值。在理论分析的基础上,根据教材内容编排特点和最近发展区理论,针对同一届学生在高中不同阶段进行了多次“复分解反应”教学实践,并在课后采用测试和访谈的形式检验了教学效果。根据课堂情况及检验结果对教学实践进行了反思与小结。 Put forward five possible angles of high school students “double decomposition reaction ”, analyzed the function and value of these learning angles in promoting students’ cognitive development. On the basis of theoretical analysis, according to the characteristics of the textbook layout and the theory of the most recent development zone, a number of “double decomposition reaction” teaching practice was conducted for different students in the same senior high school, and the students were tested in the form of tests and interviews The teaching effect. According to the classroom situation and test results, the teaching practice is reviewed and summarized.