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John Smith arrives at the New World to do his research on Indians.()..
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嘌呤核苷酸分解代谢中重要的酶是A.尿酸 B.黄嘌呤氧化酶 C......
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memoir means an account written by someone, esp. a famous person about his/her life a..
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患者,男,38岁。有15年吸烟史,出现右下肢麻木、发凉、间歇.....
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Pocahontas has an English name given by John Smith.()..
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Lucy is often () by her brother into doing home.....
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