题目内容

网络三级结构都是什么？

A. 接入层
B. 汇聚层
C. 核心层
D. 应用层

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Should I fill out this information form when I _______ for the job?

A. apply
B. send
C. look

The only way to_______ these increased amounts of data and information is to understand how computers work.

A. catch up with
B. keep up with
C. put up with

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A. send
B. describe
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A. software
B. hardware
C. microprocessor