论文部分内容阅读
How to understand and use the new textbooks better, its a problem which makes educators and teachers always think.This article studies on three sets of high schools curriculum standard experiment textbook (principles of chemical reaction) which are reviewed by Approval Committee of the National Primary and Secondary School Textbooks and it bases on curriculum standard, using the quantitative model, research the "ionic balance in the solution", provide the constructive advice to teachers in the way of thinking to choose, use and handle the textbook.