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【简答题】
计算机网络的发展分为哪几个阶段?每个阶段有什么特点?
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】XX 站5号道岔转辙机转换过程中转换锁闭装置故障如何处理?
【单选题】—No dessert for me, please. I’m on ____ diet. —Why not just take one bite of ____cheese cake? I’m sure you will love it.
A.
a; a
B.
/; the
C.
a; the
D.
/; a
【单选题】— I wonder if I could possibly use your car for tonight. — ________.I'm not using it anyhow. [ ]
A.
Sure, go ahead
B.
I don't know
C.
Yes, indeed
D.
I don't care
【单选题】—— I haven’t seen Johnson these days. —— I think she _______ a conference in Beijing, but I’m not sure.
A.
should be attending
B.
might be attending
C.
could have attended
D.
must have attended
【单选题】( )是指记錄和观察在某些工作領域内,员工在完成工作任务过程中有效或无效的工作行为导致的成功或失败的结果。
A.
关键事件法
B.
行为观察法
C.
行为观察量表法
D.
行为定点量表法
【单选题】—My recorder is broken. Could I use yours? —_______, but you have to return it tomorrow.
A.
I’m not sure
B.
No problem
C.
I’m sorry
D.
I hope so
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