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【判断题】
长期边际成本曲线呈U型的原因是边际效用递减规律。( )A.
正确
B.
错误
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【单选题】Which of the following words best describes the original bill of lading？
A.
The original bill of lading is a paper document issued by the carrier to the shipper at the port of departure, it is one of the key documents in the entire chain of shipping documents, and the original bill of lading should be marked with the words “original”.
B.
The original bill of lading is a paper document issued by the carrier to the shipper at the port of destination and is one of the key documents in the entire chain of shipping documents, and the original bill of lading should be marked with the words “original”.
C.
The original bill of lading is a paper document issued by the carrier to the importer at the port of destination and is one of the key documents in the entire chain of shipping documents, and the original bill of lading should be marked with the words “original”.
D.
The original bill of lading is a paper document issued by a bank to an exporter at the port of destination and is one of the key documents in the entire chain of shipping documents.
【判断题】In practice, there are three original parties to a bill of exchange: the drawer, the drawee and the payer.
A.
正确
B.
错误
【单选题】计算机发展经历四个阶段，其中不是四个阶段的是
A.
第一代是以电子管元器件为标志的
B.
第二代是以晶体管元器件为标志的
C.
第三代是以中小规模集成电路为标志的
D.
第四代是以微规模的电路为标志的元器件
【简答题】Usually original air way bill separate for（ ）．
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