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【单选题】
TCP/IP模型由下到上依次是（）
A.
网络接口层、传输层、网络层、应用层
B.
网络接口层.网络层、传输层、应用层
C.
传输层.网络接口层.网络层、应用层
D.
应用层、传输层网络.网络层、接口层
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【简答题】听音，判断下列句子与所听句子是否相同，相同打“√”，不同打“×”。 (     ) 1. We live in China. (     ) 2. May I go to Tian'anmen Square? (     ) 3. We leave February first in the morning. (     ) 4. These are clothes. (     ) 5. You...
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