国际货运代理国际货运代理专业英语单项选择题每日一练(2019.01.21)

单项选择题
When one of the original bills of lading being surrendered to the carrier， the others become （）.
A.invalid
B.valid
C.clean
D.dirty
单项选择题
The UCP published by the（），contains detailed provisions dealing with the operation of documentary credit.
A.CEFA
B.FIATA
C.BIMCO
D.ICC