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【单选题】
在一个快速交换式以太网中,各台计算机连接到交换机上,此网络的拓扑结构为( )。
A.
物理连接和逻辑连接都是星型拓扑
B.
物理连接是星型拓扑,逻辑连接是总线型拓扑
C.
物理连接是总线型拓扑,逻辑连接是星型拓扑
D.
物理连接和逻辑连接线型拓扑
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举一反三
【单选题】胃大部切除术后24小时以内的胃出血,最常见的原因是
A.
凝血障碍
B.
吻合口张力过高
C.
术中止血不确切
D.
吻合口感染
E.
吻合口黏膜脱落坏死
【单选题】I want to relax myself right now. Would you please change to _____ music?
A.
sad
B.
loud
C.
exciting
D.
gentle
【简答题】Right, now I want to listen to your heart. Just breathe out ( ).
【判断题】在实践中,一些产品的生命周期,可能无限的延长下去。
A.
正确
B.
错误
【单选题】I wouldn't want to go into ________ on those particular issues right now, but I want to emphasize that drastic measures must be taken to effectively address them.
A.
a too great detail
B.
too a great detail
C.
too great a detail
D.
a great detail too
【判断题】在int型和long型数据进行运算时,系统先把long型数据转换成int型后再进行运算。
A.
正确
B.
错误
【简答题】I don't really want to talk about that right now.
【判断题】类定义以关键字 extends 开始
A.
正确
B.
错误
【判断题】在int型和long型数据进行运算时,系统先把long型数据转换成int型后再进行运算。()
A.
正确
B.
错误
【单选题】- Tomorrow morning I want to have a road trip along the West Coast. - We can pack our bags right now. [     ]
A.
Don't worry about it.
B.
That sounds fine.
C.
Forget it.
D.
I can't believe it.
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