单项选择题
A.12%~15% B.15%~16% C.15%~20% D.20%~35% E.25%~30%
A.30%~40% B.40%~50% C.50%~60% D.60%~70% E.70%以上
A.牛油 B.芝麻油 C.猪油 D.椰子油 E.黄油