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苏教版初中物理第十七、十八章介绍了“电磁波与现代通信,能源与可持续发展”。根据《新课程标准》,此二章的知识点往往要求只是“知道”和“了解”层次,要求不高,中考中考点所占分数一般在3~5分左右.因此教师在上课时往往一带而过,一节课讲一章,或者以练习代上课,将几个关键知识点划一划、报一报答案,让同学记住即可,以至许多同学产生轻视意识。许多同学往往只知其然而不知其所以然,遇到
The seventeenth and eighteenth chapters of the junior high school physics textbook for the Jiangsu Education Publishing House introduce “electromagnetic waves and modern communications, energy and sustainable development”. According to the “new curriculum standards”, the knowledge points in these two chapters often require only “know” and “understand ” levels, and the requirements are not high. The scores in the Chinese test centers are generally about 3 to 5 points. Therefore, teachers are Classes often pass by, a class to speak a chapter, or to practice on behalf of the class, a few key knowledge points plan, report the answer to the answer, so that students can remember, and even many students have a sense of contempt. Many students often only know it but they do not know why