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【单选题】
2003年安徽阜阳出现的部分因食用劣质奶粉而形成的“大头娃娃”的患病原因主要是 ( )A.
奶粉中蛋白质、脂肪含量严重不足
B.
奶粉中微量元素钙、铁、锌等含量极低
C.
产品标示的使用方法不正确
D.
奶粉中含有某些导致身体浮肿的化合物
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A.
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B.
Since
C.
As
D.
Though
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