[单选题]How long the haul for international deep-sea movement usually? （）

正确答案 ：D

Thousands of kilometers

[单选题]The bill of lading signed by the shipping company is（）

正确答案 ：D

ocean B/L

[单选题]How much is the percent of air transportation in all modes?（）

正确答案 ：A

Less than 1%

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