单项选择题
A.4%,6%,30% B.5%~6%,4%~5%,30%~40% C.6%,30%,4% D.3%~4%,30%~40%,5%~6% E.10%,6%,30%
1kcal能量与1kJ的换算关系是()A.0.239B.16.7C.36.7D.29.3E.4.184
单项选择题1kcal能量与1kJ的换算关系是()
A.0.239 B.16.7 C.36.7 D.29.3 E.4.184