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【单选题】
以下关于以太网描述中,错误的是哪个?A.
共享以太网环境中只能运行全双工模式
B.
规定最小帧长是为了让节点公平的访问共享介质
C.
工作在半双工模式下的以太网不会产生冲突
D.
以太网中的传输延迟与从源到目标所经历的连接器件、传输介质和网络互连设备均有关系
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举一反三
【简答题】请为大学生电脑设计品牌标志,并截图上传。 要求:简洁抽象,富有内涵,容易理解。
【单选题】“I don’t think it’s my _____ that the window has been broken. I just played football with my friends and John kicked the ball forwards the window.”said the boy.
A.
error
B.
mistake
C.
fault
D.
duty
【单选题】“I don’t think it’s my _______ that the TV blew up. I just turned it on. That’s all.” said the boy.
A.
error
B.
mistake
C.
fault
D.
duty
【单选题】the Internet is of great help,I don’t think it’s a good idea to spend too much time on it. [ ]
A.
If
B.
While
C.
Because
D.
As
【单选题】travel can broaden your mind , I don’t think it’s a good idea to spend too much time and money on it .
A.
If
B.
While
C.
Because
D.
As
【多选题】马克思主义是关于无产阶级和人类解放的科学,实现共产主义是马克思主义最崇高的社会理想。实现共产主义理想必须:
A.
把实现远大理想与阶段性的奋斗目标结合起来
B.
脚踏实地投身于现实的社会主义建设
C.
不断变革社会关系,适时地建设共产主义社会
D.
坚持共产主义最高纲领与最低纲领的统一
【单选题】I don’t think it’s fair to judge a person ________ their clothes.
A.
in
B.
from
C.
with
D.
on
【单选题】“I don’t think it’s my _____ that the TV blew up. I just turned it on, that’s all,” said the boy.
A.
matter
B.
mistake
C.
fault
D.
duty
【单选题】I_______ watch Happy Goat and Big Big Wolf because I don’t think it’s so interesting.
A.
often
B.
always
C.
usually
D.
seldom
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