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#6 How big was a Megalodon?
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#5 When did people start writing music down?
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#4 Norman Ernest Borlaug – Father of the Green Revolution
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#3 Why did Tyrannosaurus rex have short arms?
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#2 What happened to the Aral Sea?
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#1 Who Invented Sliced Bread?
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Read this article in 4 levels: Basic A1 (英検3級), Intermediate B1(英検2級), Advanced C1(英検1級), original version. Multiple choice content…
