A.0.8g/(kg·D. B.1.2g/(kg·D. C.2g/(kg·D. D.4g/(kg·D.
A.35kcal B.70kcal C.105kcal D.140kcal
A.0.5~2μg/(kg·min) B.2~5μg/(kg·min) C.5~10μg/(kg·min) D.10~20μg/(kg·min)