A.10g B.11g C.12g D.13g E.14g
A.營養(yǎng)不良發(fā)生率居高不下 B.鐵缺乏 C.鋅缺乏 D.B族維生素缺乏 E.肥胖
A.80mg B.50mg C.34mg D.20mg E.10mg