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现代生活,各种家用电器已经进入了千家万户,为我们的生活带来了很多的便利。我们因为电而享受着现代生活的美好,但是电为生活带来便利的同时,不安全用电也可能给生活带来很多灾害,每个人包括现在的初中生都必须了解安全用电的常识。而9年级下册《家庭电路与安全用电》正是将初中所学的电学知识和现实家庭安全用电结合起来的一堂课,这堂课学生不仅可以将所学电学知识应用于实践分析,而且可以通过观察现象和实际的操作来
Modern life, all kinds of household appliances have entered millions of households for our life has brought a lot of convenience. While we enjoy the beauty of modern life because of electricity, but electricity brings convenience to life, unsafe electricity may cause a lot of disasters in life. Everyone, including junior high school students now, must understand the common sense of safe electricity. And the 9th grade book “home circuit and safe electricity” is a class that combines the electrical knowledge of junior high school and real home safety electricity, this class students can not only apply the electrical knowledge learned in practical analysis, And by observing the phenomenon and the actual operation