单选___ is the reason why international trade first began.
A.Uneven distribution of resourcesB.Pattern of demandC.Economic benefitD.Comparative advantage
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单选A company exports 50 tons of wheat, but the exporter delivers the extra 2 tons. If there is no other regulation on quantity in the L/C, then the importer should ____.
A.accept 52 tonsB.refuse to take 52 tonsC.accept extra 1 tonD.refuse to accept extra 2 tons
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单选A company exports 50 tons of wheat, but the exporter delivers the extra 2 tons. If there is no other regulation on quantity in the L/C, then the importer should_____.
A.refuse to take 52 tonsB.accept 52 tonsC.accept extra 1 tonD.refuse to accept extra 2 tons
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单选Advance payment of 25% of the contract value shall be paid within 30 days of the date of signing the contract.