主线情境教学法是基于情境教学法发展而来的一种新的教学方法。有研究者对其特点进行了如下总结和概括——以某一具体人物、话题、故事或时事热点、问题作为主线,贯穿整节课的教学内容,通过一条主线,创设多个教学情境,设置一系列具有内在联系的思考题目形成探究链,引导学生合作探究获得新知,进而提高综合探究能力和学科素质。首先,主线的选择具有灵活性。既可以是一个具体人物又可以是一个热点话题,既可以是一个众所周知的问题又 The main situational teaching method is a new teaching method based on the situation teaching method. Some researchers summarize and summarize their characteristics as follows: Take a specific character, topic, story or current affairs hot spot and problem as the main line, run through the teaching content of the whole class and set up a number of teaching situations and settings A series of introspective questions form the inquiry chain, guide students to cooperate to explore new knowledge, and then improve the comprehensive ability of inquiry and discipline quality. First of all, the choice of the main line has the flexibility. It can be both a specific person and a hot topic, either as a well-known problem