单项选择题
A.<10% B.10%~20% C.20%~30% D.30%~40% E.>40%
A.肠外营养 B.肠外营养与管饲结合 C.单纯管饲 D.管饲与经口摄食结合 E.肠内营养
A.50kcal:1g B.100kcal:1g C.150kcal:1g D.200kcal:1g E.250kcal:1g