肉制品标示的配料应按加入量的递减顺序一一排列，加入量不超过（）的配料可以不按照顺序排列。
A.2%
B.3%
C.4%
D.5%
参考答案：A
We were told not to touch the equipment in the laboratory unless ________. [ ]
A. allowed to do
B. allowing to do
C. allowed to
D. allowing to
因为在基础浓汤煮制过程中，蛋白质在酸的作用下水解成多种氨基酸，形成了汤汁中的鲜美滋味。( )
