問題詳情

30.Newborns usually receive an injection of vitamin_to protect them against deficiency untiltheir gastrointestinal tract has matured.
(A)A
(B)D
(C)B
(D)K

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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