题目内容
(71) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.
(72) 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.
(73)functions with two layers of protocols. It can connect networks of different, speeds and can be adapted to an environment as it expands.
A socket is composed of two addresses:(74).
Heterogeneous network environments consist of computer systems from (75) vendors that run different operating systems and communication protocols.
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A．当前运行系统B．当前逻辑模型C．目标系统D．新系统
第一节
听下面5段对话。每段对话后有一道小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
听力原文：W: How would you like it cut, Sir？
M: Cut it short in the back, and take a little off the top, please.
What's the probable relationship between the two speakers？
供热和供冷系统工程的最低保修期限为()。
有抗震设防要求的房屋,各种变形缝之间应满足:()Ⅰ/伸缩缝应符合沉降缝的要求;Ⅱ/伸缩缝应符合防震缝的要求;Ⅲ/沉降缝应符合防震缝的要求;Ⅳ/防震缝应符合沉降缝的要求下列何者是正确的？()
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