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在中学物理教学中,存在着很多混淆不清的问题,对这类问题处理不好,会直接影响学生深刻、准确地领会所学知识内容。因此,在教学中应随时留意这类易混淆问题,有针对性地抽出这些问题的易混淆点,及时编制成可对其雷同之处进行比较的习题,亦即类比型习题,进而明确地向学生指出导至混淆的根源、突出错误所在及正确处理的方法。以下列举数例来说明这种类比型习题在区别一些易混淆问题中的应用。
In middle school physics teaching, there are many problems that are not confusing. If these issues are not dealt with properly, they will directly affect students’ profound and accurate comprehension of what they have learned. Therefore, we should pay attention to this type of ambiguity problem in teaching, pick out the confusable points of these problems in a targeted manner, and promptly compile the exercises that can compare the similarities between them, that is, the analogy type exercises, and then explicitly Students pointed to the root cause of confusion, highlighting errors and ways to deal with them correctly. Here are a few examples to illustrate the application of this type of analogical exercise in distinguishing some confusing issues.