目前中学化学教学仍较多地沿袭着“传递——接受”的教学模式,课堂教学中以教师为中心的现象依然普遍,学生的主体地位未能得到应有的重视,能力发展受到限制,难以 At present, chemistry teaching in middle schools still followed the teaching mode of “pass - accept ”. The phenomenon of teacher-centered teaching in classroom teaching is still widespread. Students’ subjective status has not been given due attention and their ability development has been restricted ,difficult