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【单选题】
E armuffs (耳罩) were invented because of a Christmas present. I n 1873, Chester Greenwood received a pair of ice skates (溜冰鞋) for Christmas. When he skated in the December cold, his ears hurt. S o he put a piece of warm cloth over each ear. T hen he connected the cloths with wire. T he wire held the pieces of cloth close to his ears. C hester ’ s earmuffs kept his ears warm.
A.
E armuffs （耳罩） were invented because of a Christmas present.
B.
C hester ’ s earmuffs kept his ears warm.
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题目标签：溜冰鞋
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参考解析：
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【单选题】E armuffs (耳罩) were invented because of a Christmas present. I n 1873, Chester Greenwood received a pair of ice skates (溜冰鞋) for Christmas. When he skated in the December cold, his ears hurt. S o he p...
A.
E armuffs （耳罩） were invented because of a Christmas present.
B.
C hester ’ s earmuffs kept his ears warm.