A.0.3gNa,17gCl B.0.5gNa,0.5gCl C.0.6gNa,0.4gCl D.0.4gNa,0.6gCl
A.鈉B.鈣C.鐵D.硫
A.紅細(xì)胞 B.肌肉組織 C.骨骼、牙齒 D.甲狀腺