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为什么先看到闪电[文章来自:考试与评价 Xgo
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Why we see lightning first[文章版权 禁止转载:考试与评价 VoZ3. F paloyR9'zFroG]
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Once in a physics examination, Nick finished the first question very soon, while his classmates were thinking hard.
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The question was: When it thunders, why do we see the lightning first, then hear the thunder rolls?
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Nick's answer: Because our eyes are before ears.
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