- 问题详情:Electricitymakeswonderfulthingspossible.Itkeepsuswarminwinter,coolinsummer,cooksourfood,heatsourwater,cleansourclothesandpowersourTVs,radios,videogamesandcomputers.Electricitycantraveleasilythroughourbodies.Doyouknowwhy?Becauseelectricitymovesquicklyth...
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