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【单选题】
线性规划问题目标函数中决策变量的系数称为( )A.
价值系数
B.
资源系数
C.
技术系数
D.
决策系数
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反馈参考答案：
举一反三
【单选题】Suppose that both the cross-sectional area A and the length L of two straight rods are the same, and the axial tension forces P at both ends of the two are also the same. Only the materials of the two...
A.
Both σ and ΔL are the same
B.
σ is the same, ΔL is different
C.
Both σ and ΔL are different
D.
σ is different, ΔL is the same
【判断题】Bill of lading is a document of title to the goods, so the legal owner of a B/L holds legal possession of the goods, and the legal holder of the B/L has the right to take delivery of the goods at the ...
A.
正确
B.
错误
【单选题】下面哪些发现与半坡原始居民有关?( )
A.
现了粟的遗物，证明我国是世界上最早种植粟的国家 ②发现了水稻的遗物，证明我国是世界上最早种植水稻的国家 ③发现了纺轮，证明已会纺线、织布、制衣 ④发现陶器上有一些刻画符号，可能是我国早期文字的雏形
B.
①②③
C.
②③④
D.
①③④
E.
①②④
【简答题】The currency of the amount insured should comply with that of the L/C．（ ）
【单选题】下面哪些发现与半坡原始居民有关 ? 1发现了粟的遗物,证明我国是世界上最早种植粟的国家 2发现了水稻的遗物,证明我国是世界上最早种植水稻的国家 3发现了纺轮,证明已会纺线、织布、制衣 4发现陶器上有一些刻画符号,可能是我国早期文字的雏形
A.
①②③
B.
②③④
C.
①③④
D.
①②④
【简答题】The differences between Amazon and Alibaba Amazon Alibaba Company philosophy l company l Notorious for the ways of Ways of money l The mode of is transferred to the network l Massive l The theo...
【多选题】A Chinese exporter reached a contract with a UK buyer about some commodities in a large quangtity in terms of CIF and irrevocable sight L/C payment, stipulating the shipment shall be effected in Novem...
A.
The issuance time of L/C shall be stipulate in the contract
B.
In accordance with the international usual practice, the buyer shall issue the L/C before the shipment month even though the issuance date is not mentioned in the contract.So the exporter shall take the claim right against the buyer for the buyer's failure of issuing L/C on time
C.
As to the buyer cancelling the contract unilaterally without the permit of exporter,the exporter shall not let it be
D.
We should investigate each other credit before signing a contract
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