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- 問題詳情：Scientiststhinkthatmostanimalscan’tseecolors.Theworldisblackandwhitetothem. Tofindoutifdogscouldseecolors,scientistsgavesomedogsfoodeverytimetheyplayedacertainpieceofmusic.Thedogsgotreadytoeatonlywhentheyheardthispieceofmusic.Theydidnotge...
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