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谈化学教学重点的确定张俊瀛教师备课首先要“吃透两头”，一头是学生──教学对象；一头是教材──教学媒介。本文拟从处理教材确定教学重点方面谈一些拙见。处理教材先要精通教材，精通的目的在于准确把握教学重点。教学重点就是教材知识网络中起统领作用的知识点，是起...
On the determination of the focus of chemistry teaching Zhang Junyu teachers prepare lessons first of all “too through two”, one is the student - the object of teaching; one is the teaching material - teaching medium. This article intends to discuss some of the glimpses of handling teaching materials to determine the focus of teaching. Processing textbooks must be proficient in teaching materials. The purpose of mastery is to accurately grasp the teaching focus. The focus of teaching is the knowledge point that plays a leading role in the teaching material knowledge network...