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

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参考答案

A, B, D

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1 The marine cargo insurance premium rates may vary depending on factors such as （）.

A．type of goods

B．value of the goods

C．mode of transportation

D．the type of risks covered

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A．facility

B．goods

C．services

D．information

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3 E-commerce involves exchange among （）.

A．customers

B．vendors

C．business partner

D．corporate infrastructure

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