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【单选题】
网络管理工作于（） 层。A.
应用层
B.
网络层
C.
链路层
D.
传输层
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反馈参考答案：
举一反三
【简答题】This concept was c____ 造字 by Charles Horton Cooley.
【单选题】As we have expected. This new concept was quickly______ by post-80s and post-90s.
A.
received
B.
accepted
C.
obtained
D.
acquired
【单选题】As we have expected, this new concept was quickly by post-80s and post-90s.
A.
received
B.
accepted
C.
obtained
D.
acquired
【判断题】控制系统中如果某处或数处信号是脉冲序列或数码，则这样的系统称为离散时间系统，简称离散系统。计算机控制系统是离散控制系统的一种，系统控制器由计算机来实现。
A.
正确
B.
错误
【简答题】属于,适合放在(某处) v —————— .
【单选题】听力原文：W: Can I help you? M: Yes, I'd like to read some articles that are on reserve about British culture. W: Professor Grand's class? M: That's right. How could you know? W: Let's just say you are not...
A.
That the library opens at 8:00.
B.
That no one else has read the articles.
C.
That none of the material he needs is available.
D.
That reserve materials can be taken out of the library.
【单选题】What does the man ask the woman to do?
A.
Leave details at the front desk.
B.
Wait while he checks a record.
C.
Fill out some forms.
D.
Verify an amount.
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