問題詳情

8 Thinning hair can be a symptom of an iron ____ , which is a particular problem if you do not eat much redmeat.
(A) sufficiency
(B) efficiency
(C) proficiency
(D) deficiency

參考答案

答案:D
難度:適中0.575
統計:A(20),B(16),C(6),D(69),E(0)

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