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【单选题】
某妊娠妇女,妊娠反应强烈,不愿吃动物性食品,只吃水果和谷类食物,至妊娠中期,该孕妇感到手脚麻木,关节痛,并有“抽筋”现象。产生该现象最有可能的原因是A.
血清铁降低
B.
血清锌降低
C.
血清钙降低
D.
血清钠降低
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A.
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B.
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A.
He worked after school to make money for the family.
B.
He washed his own clothes and made his bed.
C.
He visited with his grandparents every night.
D.
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