一、“停电,是不是与下雪有关?” 一个冬天的傍晚,李强正在做家庭作业。忽然,电灯灭了。此时,室外正下着鹅毛大雪。李强若有所思地问:“停电,是不是与下雪有关?”不等家人回答,接着断言:“停电后可能要停水。”爸爸点亮蜡烛之后,不紧不慢地告诉小强:“这次停电与下雪没有关系。因为此次停电是由于供电所为了缓解用电高峰或为了安全起见而暂时终断电源,是一种人为的现象;下雪是由于天气变化的结果,是一种自然的现象。两者之间没 One, ”a blackout, is not related to the snow?“ A winter evening, Li Qiang is doing homework. Suddenly, the light went out. At this time, outdoor heavy feather goose down. Li Qiang thoughtfully asked: ”Power is not related to the snow?“ ”Wait for the family to answer, then asserted: “ After the blackout may be no water. ”Dad lit the candle, not slow To tell Xiaoqiang: "The blackout is not related to the snow because the blackout is due to the power supply in order to ease the peak of electricity or for the sake of safety and temporarily cut off the power supply, is a man-made phenomenon; snow is due to the weather The result of change is a natural phenomenon