烟叶()管理是烟叶生产、烟叶收购、烟叶复烤、烟叶销售、烟叶存储各项工作的综合反映。
A.销售
B.生产
C.质量
D.运输
参考答案:C
— Where did you meet your middle school teacher?
— It was in the supermarket ______ I was doing some shopping with my son.
A.that
B.where
C.when
D.which
等价分类法属于黑盒测试,它将输入数据的可能值分成若干个 【3】 。