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【单选题】
工作在OSI第二层的网络互联设备有网桥和 【 1
A.
集线器
B.
中继器
C.
路由器
D.
交换机
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A.
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B.
左、背
C.
右、正
D.
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A.
正确
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错误
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A.
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A.
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B.
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C.
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D.
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A.
Diogenes lived simply
B.
Diogenes grew tired of human society with its complications
C.
Diogenes had a sense of mission
D.
Diogenes lived like a dog
【简答题】We now have great pleasure in sending you a copy of our latest illustrated catalog and comprehensivepricelist.
【单选题】Diogenes lived like a dog in order to ________.
A.
teach a simple and natural way of life by his own example
B.
show his sympathy to the poor
C.
show that he couldn't afford a decent life
D.
display a kind of doglike lifestyle
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