We do have an opening in the file department and Mr. Johnson would be happy to discuss the
碱嫩化肉类原料,损失最大的为各类矿物质和()。
A 维生素D
B 维生素C
C B族维生素
D 维生素A
Hutchings, like many (ambition)______young lawyers, became interested in politics.
下列物质属于复合膨松剂的是()。
A 小苏打
B 臭粉
C 发酵粉
D 纯碱