问题 单项选择题 A1型题 治疗缺铁性贫血口服补铁按照元素铁计算,每日补充剂量是()A.1~2mg/(kg·D. B.2~4mg/(kg·D. C.4~6mg/(kg·D. D.6~8mg/(kg·D. E.8~9mg/(kg·D. 答案 参考答案:C