作为一线教师,在看到新《课程标准》及教材后,心中不免有些忐忑,发现《课程标准》与教学大纲相比内容有增减,在无机元素化合物知识的呈现上,不再按照“元素族”组织元素,不再分“律前”元素和“律后”元素,课本中呈现的四种金属元素和四种非金属元素及其化合物,跟过去教学大纲相比,知识体系线索不是很清楚,没有元素周期律的理论指导来学习元素化合物知识;再考虑到教学的课时与教材中呈 As a front-line teacher, after seeing the new “curriculum standard” and teaching materials, his heart can not help but feel shy and found that “curriculum standard” has more contents than the syllabus. In the presentation of the knowledge of inorganic element compounds, Element family, “no longer sub-elements” law before “and” law "element, the textbook presents four kinds of metal elements and four non-metallic elements and their compounds, compared with the previous syllabus , Knowledge system clues is not very clear, there is no theoretical guidance of the elemental periodic law to learn the knowledge of elemental compounds; then consider the teaching hours and textbooks was