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【单选题】
什么是冲突域?A.
一个局域网就是一个冲突域
B.
连接在同一台网络设备上的主机构成一个冲突域
C.
发送一个冲突帧,能够接受到的主机的集合称为一个冲突域
D.
冲突在其中发生并传播的区域
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皮皮学刷刷变学霸
举一反三
【单选题】Excuse me, but can you tell me what UN in your papers ________?
A.
stands up
B.
stands for
C.
stands out
D.
stands up for
【简答题】A．It stands for loyalty. B．It stands for disloyalty. C．It stands for uprightness. D．It stands for integrity.
【单选题】Do you agree that the American flag ________ and justice? [ ]
A.
stands for
B.
stands out
C.
stands up
D.
stands by
【简答题】A．R stands for loyalty. B．It stands for disloyalty. C．R stands for uprightness. D．It stands for integrity.
【简答题】ESL乳(名词解释)
【单选题】The sign x ____ an unknown number. [ ]
A.
stands for
B.
stands out
C.
stands up
D.
stands against
【简答题】较长保质期奶(ESL奶)：(名词解释)
【单选题】How can English learners make use of ESL Journal?
A.
They can read ESL teaching journals.
B.
They can download some teaching materials.
C.
They can talk with each other on the forum.
D.
They can seek help from experienced teachers.
【简答题】C New at ESL go.com Learning ESL Teaching ESL July 19, 2006—I mised our 3-year anniversary(周年纪念日) by a few days, but it’s here: ESL go.com has a button to click. At the top-left of this page click...
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