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【单选题】
You _________ drive on when the traffic light is red.A.
can’t
B.
needn’t
C.
mustn’t
D.
may not
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皮皮学刷刷变学霸
举一反三
【简答题】______ is not only statistical but also interesting.
【单选题】Due to action of pistons some relative motion between parts in contact in the coolant supply and return system must occur.
A.
reciprocating
B.
rotating
C.
running
D.
removing
【单选题】What is the statistical reserve？（）
A.
Bandwidth that is reserved for SVCs to route over a trunk
B.
Bandwidth that is reserved on a trunk so that ABR connections can burst
C.
Bandwidth on a trunk that is reserved for control traffic and cannot be used by connections
D.
Bandwidth that cannot be allocated to connections but can be used to accommodate statistical variations in the traffic
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