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现代教学论指出,感知不是学习产生的根本原因,产生学习的根本原因是问题。“一个好的提问比一个好的回答更有价值。”学生的思维活动和求知欲望,往往是从“问题”开始的。中学生由于生理和心理的特征,对外界事物好奇,富于探索精神,在遇到问题,产生矛盾时,思维活动的积极性便高涨起来。质疑设问,设置悬念,从情感教育心理学角度看,能激发学生的好奇心、探求欲。因此,在课堂教学中,教师经常注意设置悬念,根据具体情况创设不同的问题情境,使学生不能单纯地利用已有知识和习惯方法去
Modern teaching theory points out that perception is not the root cause of learning and the root cause of learning is the problem. “A good question is more valuable than a good one.” “Students' thinking activities and their desire to learn often begin with ” questions ". Due to their physiological and psychological characteristics, middle school students are curious about things in the outside world and are full of spirit of exploration. When encountering problems and conflicts, the enthusiasm of thinking activities rises high. Questioning questions, setting suspense, from the perspective of emotional education psychology, can stimulate the curiosity of students to explore desire. Therefore, in classroom teaching, teachers often pay attention to set up suspense, according to the specific situation of creating different problem situations, so that students can not simply use existing knowledge and habits to go