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【简答题】
红外辐射俗称红外线，它是一种人眼看不见的光线，但实际上它与其他任何光线一样，也是一种客观存在的物质。任何物质，只要它的温度高于( )，就会有红外线向周围空间辐射。
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举一反三
【多选题】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
【多选题】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 prefixes identifying the carrier
C.
the main portion identifying the carrier
D.
the last check digit for accounting and security purposes
【多选题】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
【单选题】The air waybill ,giving details ,will be sent to you by Air China as soon as the consignment is ready for ____.
A.
shipping
B.
dispatching
C.
dispatch
D.
delivering
【单选题】_1___or air consignment note refers to a receipt issued by an international courier company for goods and an evidence of the contract of carriage, the AWB is__2__ . The AWB has a tracking number which...
A.
Bill of Lading
B.
Air Waybill
C.
Shipping Note
D.
Mate’s Receipt
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