现代市场营销理论认为,产品整体概念包含()、无形产品和附加产品三个层次
A.核心产品
B.外部产品
C.内部产品
D.有型产品
参考答案:A
he boy made the same mistakes ________,which,of course,made his parents very angry.[ ]
A.over and over again
B.more or less
C.sooner or later
D.here and there
乌梅丸的功用是()
A.温脏清腑
B.平调寒热
C.缓急止痛
D.温脏安蛔
E.驱蛔消疳