试题与答案

下列均为人体必需微量元素的是() A.铜、氟、铁 B.硒、钴、锌 C.碘、锂、钒 D

题型:单项选择题 A1型题

题目:

下列均为人体必需微量元素的是()

A.铜、氟、铁

B.硒、钴、锌

C.碘、锂、钒

D.铁、锌、镁

E.铬、钴、铊

答案:

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