There were so many people died of electricity,so we should use the electricity very carefully,it is really dangerous if you do not take care about the electricity.First,we should know which things are conductor,and be careful of the conductor when you near from electricity,the bodies of people are also a conductor,and including water,we mustn't touch the bnc connector plugs(插销) when our hands are wet,and do not touch the electrical wire when it broken,it is important to take care of our life from electricity,that's all we should know.Or we could learn more about the safety of electricity.
最新问答: 写出句子的意思“为木兰之柜”解释文言文 上句:你猜 下句:你猜我猜不猜 在下句:你猜我猜你猜不猜 求下句,求神回复 再来一瓶英文 硫酸锌化学式 抓蜥蜴 作文 从5*6方格中的顶点A到顶点B的最短路线有多少条? 给父母或老师写一封信,600字以上,要求要有深度。 因式分解2x^2减3x减7 射线AM,BM都垂直线段AB,点E为AM上一点,过点A作BE的垂线AC分别交BE,BN与点F,C,过顶点C做AM的垂线C (1)某玩具公司为了促销,将其中一种原标价为120元的模型飞机先提价30%后再打8折销售,则销售该商业利润率将从50%变 (山行)与(秋词)的异同 As the audience filed into the stadium,they found the pop gr 有机物M的结构简式如图所示.下列说法中正确的是( ) A.分子式为C 17 H 18 O 3 B.M中所有碳原子均可能 Do you ever hear me calling? 我以为,我会有个新开始.我以为,我不会再回头看.可我发现,我终究还是做不到. 如何收集和富集黑色金属 5(X方—X)=3(X方+X) 结果 天府之国怎么翻译呀? 一个弹簧振子做简谐振动,若从平衡位置开始计时,经过3s时,振子第一次到达P点,又经过2s第二次经过P点.则该弹簧振子的振 某同学身高1.8m,体重为70㎏,在迎奥运田径运动会上他参加背越式跳高比赛,起跳后身体横着越过了1.8m高的杆,请问: