多项选择题 Under an L/C indicating the goods description as “frozen beef” and reqiring invoice, B/L, packing list, certificate of origin, please determine the documents which are acceptable。（）

多项选择题 Select the statements that correctly express the meaning of the UCP。（）

单项选择题 In the case that the L/C accepts on deck bill of lading, a set of bill of lading with the notation “shipped on deck” instead of “shipped on board” appearing thereon is acceptable。（）