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【简答题】
在计算机网络的定义中,用户透明性的观点定义的是 (____) 计算机系统。
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【简答题】_____________是衡量数据通信系统在正常工作情况下的传输________________的指标。
【简答题】听短文，回答1-2小题。 1. Why did Tom make the phone? A. Because he wanted to invite Bruce to his birthday meal. B. Because he wanted a birthday present from Bruce. C. Because he wanted Bruce to go to the park ...
【单选题】---Why did Tom become wealthy this year? ---Because he sold _________________ he did last year.
A.
four times as many furnitures as
B.
four times as furnitures many as
C.
four times furniture as much as
D.
four times as much furniture as
【简答题】衡量数据通信系统在正常工作情况下的数据传输可靠性的指标是 。
【简答题】Why did Bill give this advice? Because Tom always does ______ of what people have advised.
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