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【单选题】
信道带宽是指( )。A.
信道传输信息的最大能力
B.
信道所能传送的信号的频率宽度
C.
单位时间内整个网络能够处理的信息总量
D.
单位时间内信道传输的信息量
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C.
【简答题】根据网络的作用范围,计算机网络都有哪些类别? 其中哪类网络为Inertnet核心网?
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【简答题】辛亥革命引起了中国的哪些巨大变化?
【单选题】听力原文：Where's the annual gathering being held? (A) At year end, like always. (B) On the 25th, most likely. (C) At the new resort, I heard. (38)
A.
B.
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