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【单选题】
维生素C缺乏影响A.
羟脯氨酸、羟赖氨酸的合成
B.
辅酶
C.
辅酶II的合成
D.
嘌呤、嘧啶的合成
E.
红细胞谷胱甘肽还原酶活性
F.
血清碱性磷酸酶活性
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A.
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B.
illustrating Eliot' s talent as a young artist
C.
introducing some background knowledge of Eliot
D.
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