一、问题的提出自九五学年度开始，上海市中小学课程教材全面改革，我校初三年级化学教学第一次使用由上海师范大学与黄浦区教育局联合编写的新教材（即上教版）。上教版化学教材的体系和内容与老教材存在着差异。根据试点学校的教学体会，我们对新教材的认真钻研，教学中... I. Questioning Since the 95th academic year, Shanghai’s primary and secondary school curriculum materials have undergone a comprehensive reform. For the first time, chemistry teaching in the third grade of our school has used the new textbook jointly prepared by the Shanghai Normal University and Huangpu District Education Bureau (ie, Version). There is a difference between the system and content of the chemistry textbooks in the Education Press and the old textbooks. According to the teaching experience of the pilot schools, we seriously studied the new teaching materials, teaching...