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问题 多项选择题

传统的物流中心与配送中心和第三方物流公司都具有的基本功能有（）

A.货物储存

B.运输（及时进货和送货）

C.包装

D.装卸

E.流通加工

答案

参考答案：A, B, C, D, E

选择题

下列有关物质的用途，既利用物质的物理性质，又利用物质的化学性质的是（　　）

A．干冰用于人工降雨

B．二氧化碳用于灭火

C．一氧化碳用于冶炼金属

D．乙醇用作汽车燃料
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单项选择题

TCP/IP (1) layer protocols provide services to the application (2) running on a computer. The application layer does not define the application itself, but rather it defines (3) that applications need — like the ability to transfer a file in the case of HTTE In short, the application layer provides an (4) 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 (5) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

5（）

A.application 

B.session 

C.physical 

D.transport
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