A.15°;0.5 B.20°;0.5 C.30°;0.5 D.30°;1
A.50ml B.100ml C.150ml D.200ml
A.10-20kcal/(kg·d) B.20-25kcal/(kg·d) C.30-35kcal/(kg·d) D.40-45kcal/(kg·d)