单项选择题
A.0.6~0.8g/(kg·D. B.0.8~1.0g/(kg·D. C.1.2~1.5g/(kg·D. D.2.0~2.5g/(kg·D. E.以上均不对
A.1kcal B.4kcal C.7kcal D.9kcal E.11kcal
A.12小时 B.24小时 C.36小时 D.48小时 E.72小时