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在中学化学教学大纲(草案)的说明中已指出教师在教学中必须紧紧掌握直观原则,这种教学方法早已为各地教师所注意。它能够保证教学过程的进展是由具体到抽象的,因而也就能随时唤起学生的注意,使他们对教材易於理解,更重要的是对他们牢固地掌握知识提供了很有利的条件。在近几年的教学中,我
It has been pointed out in the instructions of the Chemistry Syllabus for Middle Schools (Draft) that teachers must firmly grasp the principle of intuition in teaching. This teaching method has long been paid attention to by teachers all over the world. It ensures that the progress of the teaching process is from the concrete to the abstract, and thus can arouse the students’ attention at any moment, make them easy to understand the teaching materials and, more importantly, provide very favorable conditions for them to master the knowledge firmly. In recent years of teaching, I