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在高中化学教学中,问题组是常用教学手段之一.通过有效的问题组,可启发学生积极思维,激发学生的求知欲,唤起学生学习化学的兴趣.同时,通过连续性问题组,有助于学生层层深入,逐步击破难题,构建知识体系,提高分析与解决问题的能力,充分发挥学生的主体性与能动性.在高中化学教学中,教师需把握问题组设计时机,机智而灵活地
In senior high school chemistry teaching, the problem group is one of the commonly used teaching methods.An effective problem group can inspire students to actively think, stimulate students ’curiosity and arouse students’ interest in learning chemistry.At the same time, through the group of continuity problems, Students at various levels in-depth, and gradually break down the problem, build a knowledge system, improve the ability to analyze and solve problems, give full play to the students’ initiative and initiative.In high school chemistry teaching, teachers need to grasp the design time of the problem group, witty and flexible