单项选择题
A.牛乳喂养 B.及时添加蔬菜、水果 C.给铁剂 D.母乳喂养 E.及时添加蛋黄、豆类、肉类
A.90~120g/L B.100~145g/L C.110~120g/L D.120~145g/L E.150~220g/L
A.90g/L B.110g/L C.120g/L D.130g/L E.145g/L
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