食品生产加工企业应建立质量管理体系,实施从()全过程质量管理。
A.原材料采购
B.生产过程控制与管理
C.产品出厂检验
D.售后服务
参考答案:A, B, C, D
Children of all ages can learn a lot of things, such as road awareness and street safety skills, ____ they walk
without knowing.
A. unless
B. as
C. as though
D. as soon as
条件转移指令JE Label的测试标志位是什么?