For consolidated shipments， the freight forwarder may dispatch the consignments of several independent shippers together under one air waybill， known as （）.

多项选择题The air waybill number is the identification of each consignment and comprises three parts（）.

A.the main portion identifying the consignment
B.a three-digit prefix identifying the carrier
C.the main portion identifying the carrier
D.the last check digit for accounting and security purposes

单项选择题（） is a system of unitized multimodal land transportation of transport by road and rail.

A.Land bridge
B.Rail/road
C.Piggyback
D.Sea/air

单项选择题The bill of lading serves as an evidence of the contract of carriage of goods by sea between the（）.

A.carrier and consignee
B.carrier and shipper
C.shipper and consignee
D.shipper and receiver

单项选择题Currently， different types of multimodal transport operations involving different combinations are taking place.（）transport does not refer to multimodal transport.

A.Sea/air
B.Sea/road
C.Sea/rail
D.Sea/sea

单项选择题Since the freight payments are taken care of by the freight forwarder， the carrier doesn′t have to take any （）.

A.benefit
B.responsibility
C.risk
D.advantage