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【单选题】
在循环式传输规约帧组织,E帧指( )。A.
重要遥测信息
B.
次要遥测信息
C.
一般遥测信息
D.
事件顺序记录SOE
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反馈参考答案：
举一反三
【单选题】The great influenza epidemic ( ) over 20 million dead.
A.
left about
B.
left behind
C.
left for
D.
left down
【简答题】A．Just before Columbus left. B．Just after Columbus left. C．Two hundred years before Columbus left. D．After 1300.
【单选题】There will be great demand on your efforts before you reach the ______ of the race.
A.
dead line
B.
end line
C.
finish line
D.
finishing line
【单选题】______ there are only 20 minutes left before the train left, I felt uneasy in the taxi to the railway station.
A.
That
B.
When
C.
Which
D.
Because
【单选题】Hardy bulbs do not include _____________ .
A.
crocuses
B.
ranunculus
C.
snowdrops
D.
daffodils
【单选题】It was the hurricane ________ was called Sandy ________ left at least 10 people dead and hundreds of thousands without power on the eastern coast of America.
A.
which; that
B.
what; which
C.
which; who
D.
that; which
【单选题】Usually the panels are interlocked with _____ so that the devices can be made dead before the doors are opened.
A.
protective earth
B.
isolators
C.
ground switch
D.
circuit-breakers
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