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【判断题】
根据《铁路旅客运输规程》,旅客开始旅行后不能退票。但如因伤、病不能继续旅行时,、车证实,可退还未乘区间票价,核收退票费。
A.
正确
B.
错误
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【多选题】What are the types of transitions?
A.
Transitions between paragraphs
B.
Transitions between sections
C.
Transitions within paragraphs
【判断题】普通车床进给箱是进给传动系统的变速机构,改变被加工螺纹的螺距或机动进给的进给量。
A.
正确
B.
错误
【简答题】世界上第一台电子数字计算机:
【判断题】进给箱是进给传动系统的变速机构,改变被加工螺纹的螺距或机动进给的进给量。
A.
正确
B.
错误
【单选题】When a speaker uses transitions, it means he has completed one thought and is moving on to another. So transitions state____________.
A.
the idea the speaker is leaving
B.
the idea the speaker is coming up to
C.
Both A and B
【判断题】Transitions state both the idea the speaker is leaving and the one the speaker is coming to.
A.
正确
B.
错误
【单选题】How are STP timers and state transitions affected when a topology change occurs in an STP environment?()
A.
All ports will temporarily transition to the learning state for a period equal to the max age timer plus the forward delay interval.
B.
All ports will transition temporarily to the learning state for a period equal to the forward delay interval.
C.
The default aging time for MAC address entries will be reduced for a period of the max age timer plus the forward delay interval.
D.
The default hello time for configuration BDPUs will be reduced for the period of the max age timer.
【单选题】我国( )朝时,统治者为了打击倭寇、防止人口外流和限制海外贸易,将海洋视为巨大的麻烦和危胁的来源,长期实行海禁政策。
A.
B.
C.
D.
【单选题】When you enable PortFast on a switch port, the port immediately transitions to which state?
A.
Blocking
B.
Forwarding
C.
Learning
D.
Listening
【判断题】Technically, transitions state both the idea the speaker is leaving and the one she or he is coming to.
A.
正确
B.
错误
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