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问题 选择题

李世民说：“以铜为镜，可以正衣冠，以古为镜，可以知兴衰，以人为镜，可以明得失。”这说明[ ]

A．要通过他人了解自己

B．要通过集体了解自己

C．要通过镜子了解自己

D．要通过自己了解自己

答案

答案：A

填空题

古希腊古风时期建筑柱式已经形成（）和伊奥尼亚式。
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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. sessionC. physical D. transport
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