来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/10/06 17:06:34
英语阅读理解（初二）,求解答和分析.
B
从这句得出：
if one computer in the network broke down,then the whole network stopped.So a new network system had to been set up.It should be good enough to be used by many different computers.
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