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问题 选择题

______ monkeys can _________ in the tree.[ ]

A. The ... swing

B. Does …swing

C. The ... swinging

答案

答案：A

单项选择题

在库存管理中，体现“抓住关键少数”、“突出重点”原则的库存成本控制方法是( )。

A．ABC法

B．JIT法

C．MRP法

D．ERP法
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单项选择题

For each blank, choose the best answer from the four choices and write down on the answer sheet.

(21) is a six bytes OSI layer 2 address which is burned into every networking

device that provides its unique identity for point to point communication.

(22) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.

(23) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.

(24) is the popular LAN developed under the direction of the IEEE802.5.

(25) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

（24）是（）

A. Ethernet

B. Token Bus

C. Token Ring

D. DQDB
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