必须获得《医疗机构制剂室许可证》的是（）.A．药品零售企业  B．药品批发企业  C

The first edition ________ in 1955 and ________ a best seller ever since.    [ ]

A. was published; had been        

B. was published; has been

C. has been published; has been;    

D. had been published; had

委托监理合同示范文本规定，监理人在责任期内如因过失而造成经济损失，要负( )的责任。

A．违约
B．缔约过失
C．监理失职
D．全部损失

BIOS的芯片类型是（）

A.RAM

B.FLASH ROM

C.PROM

D.EPROM

白景瑞的处女作影片是（）。

A.《今天不回家》

B.《新娘与我》

C.《第六个梦》

D.《寂寞的十七岁》

无形贸易、资金跨国间的汇赠和金融交易引起的货币收付行为是非贸易结算。