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问题 单项选择题

工程建设项目设计招标文件中通常给出项目可行性研究报告中的（），作为投资人实施工程设计控制和优化的目标依据。

A．技术设计概算

B．初步设计概算

C．工程投资概算

D．工程投资限额

答案

参考答案：D

单项选择题

TCP/IP (21) layer protocols provide services to the application (22) running on a computer. The application layer does not define the application itself, but rather it defines
(23) that applications need — like the ability to transfer a file in the case of HTTP. In short, the application layer provides an (24) 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 (25) 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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单项选择题

肘关节脱位最常见的类型是

A．前脱位B．后脱位C．外侧方脱位D．内侧方脱位E．中心性脱位
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