物理教学中的部分命题有时看起来合理却不符合事实,是命题者想当然的结果,这些命题会引导学生走上错误的物理学习之路,为此,基于物理教学中命题想当然的问题对教学内容谈几点实践性思考. Some propositions in physics teaching sometimes appear to be reasonable but not in conformity with the facts, which are taken as a matter of course by proponents. These propositions will guide students to embark on the wrong path of physics study. For this reason, based on the questions that are taken for granted in physics teaching, Talk about practical thinking.