某药品的说明书上标明：本品每克含碘15mg、镁65mg、铜2mg…这里所指的各成份是指_刷题宝

题干

某药品的说明书上标明：本品每克含碘15mg、镁65mg、铜2mg…这里所指的各成份是指（）

A：分子

B：原子

C：单质

D：元素

上一题下一题 0.0难度选择题更新时间:2020-03-03 08:25:19

答案(点此获取答案解析）

D

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