A.50pμg/d B.50mg/d C.150mg/d D.100mg/d E.100μg/d
A.20mg/d B.24mg/d C.30mg/d D.34mg/d E.100mg/d
A.牛奶 B.雞蛋黃 C.雞肉 D.蔬菜 E.黑豆