A.600mg/d B.800mg/d C.1000mg/d D.1200mg/d E.1500mg/d
A.5% B.7% C.10% D.15% E.20%
A.魚、奶 B.糧谷、蔬菜 C.肉、蛋 D.果汁 E.豆?jié){