知识结构对于学生从整体上把握知识,快速、准确地调动和运用知识非常重要。因此,教师在教学中比较重视教材知识体系的建构,但很多教师在要求学生建构知识时,形式往往过于简单。请学生到黑板上写或布置书面作业,然后教师对学生的知识结构进行点评和补充,用这种方法建构知识,虽然学生完成了知识建构,但印象不够深刻,而且知识掌握可能会不全面,达不到真正建构知识的目的。笔者在“多彩的消费”一课教学中,尝试用三环节建构知识的方式,开展师生、 Knowledge structure is very important for students to grasp knowledge as a whole and mobilize and apply knowledge quickly and accurately. Therefore, teachers pay more attention to the construction of textbook knowledge system in teaching, but many teachers tend to be overly simple in asking students to construct knowledge. Students are required to write or arrange written assignments on the blackboard. Teachers then comment and supplement the knowledge structure of the students. Constructing knowledge in this way, although the students complete the knowledge construction, but the impression is not deep enough, and the knowledge may not be comprehensive, Not achieve the purpose of building a real knowledge. In the teaching of “Colorful Consumption”, the author tries to build the way of knowledge through the three links,