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The boxer got ______ and fell down when his oppo.....
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某病发病率水平超过该地一定历史条件下的流行水平,迅速蔓延.....
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If Henry ______ under the ladder to catch her when she fell, she couldnt be smiling like t..
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谷粒中脂肪含量不高,但含有以亚油酸为主的不饱和脂肪酸的谷.....
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成碱性食品为A、谷类B、豆类C、肉类D、水果与蔬菜E、蛋类..
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He had hardly had time to finish the sound-recor.....
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