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【单选题】
缺铁性贫血实验室检查最灵敏的指标是A.
血清铁蛋白降低
B.
血清铁降低
C.
红细胞原卟啉增高
D.
总铁结合力增高
E.
红细胞中央淡染区扩大
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【简答题】A．Grocer. B．Taxicab driver. C．Carpenter. D．Shoe maker.
【单选题】The little children did not know how much to pay for the candy, and the grocer took______them.
A.
after
B.
account of
C.
advantage of
D.
back
【简答题】It was clear that the small grocer was _____ people heowed money to. A. at the expense of B. at the risk of C. in the way of D. at the mercy of
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