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问题 单项选择题

在以下选项中，属于整个人力资源管理的基础文件的是（）

A.绩效标准

B.工作描述

C.工作关系

D.档案文件

答案

参考答案：B

填空题

生物圈是指地球上适合生物生存的地方．它的范围包括______、______和岩石圈的表面．
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单项选择题

TCP/IP (71) layer protocols provide services to the application (72) running on a computer. The application layer does not define the application itself, but rather it defines
(73) that applications need — like the ability to transfer a file in the case of HTTP. In short, the application layer provides an (74) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (75) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

A. application B. transport C. link D. network
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