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by 安健

ebook

生命是灿烂的，是美丽的；生命也是脆弱的，是短暂的。安全问题是全社会所共同关注的，青少年的安全又是重中之重。了解一些安全常识对青少年是有益的。本书介绍了"关于安全用电的问题"、"关于煤气的安全使用方法"、"如何防范和应对坏人的侵害"等等常识内容。青少年朋友们了解这些安全的常识很有必要哦！