判断正误Light travels at a speed which is about a million times 急.The Speed of Light Light travels at a speed which is about a million times faster than the speed of sound. In one second,light travels about 300,000 kilometres. Bu
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![判断正误Light travels at a speed which is about a million times 急.The Speed of Light Light travels at a speed which is about a million times faster than the speed of sound. In one second,light travels about 300,000 kilometres. Bu](/uploads/image/z/6181777-1-7.jpg?t=%E5%88%A4%E6%96%AD%E6%AD%A3%E8%AF%AFLight+travels+at+a+speed+which+is+about+a+million+times+%E6%80%A5.The+Speed+of+Light%E3%80%80%E3%80%80Light+travels+at+a+speed+which+is+about+a+million+times+faster+than+the+speed+of+sound.%E3%80%80%E3%80%80In+one+second%2Clight+travels+about+300%2C000+kilometres.%E3%80%80%E3%80%80Bu)
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