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【单选题】
根据GB/T156-2007《标准电压》规定了我国电力系统的额定电压等级，下列不是我国额定电压等级的是（ ）A.
3KV
B.
6KV
C.
9KV
D.
110KV
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举一反三
【简答题】We always hear him_______(sing) a song.
【简答题】Projects requiring skills not possessed by the workers are more difficult to accomplish; so, time must be factored ______ the project to allow these workers to obtain the needed skills.
【单选题】The program designed by this director always begins________a pop so ng and ends with audience laughing all the way. [ ]
A.
to
B.
by
C.
as
D.
with
【单选题】This is ______ song I've always told you about. Isn't it ______ beautiful one? [ ]
A.
a, a
B.
a, the
C.
the, the
D.
the, a
【单选题】___ the workers insited on was that they ___ more pay.
A.
That.. must be given
B.
What…should give
C.
Whether… would be given
D.
What… be given
【简答题】We always hear a song_______(sing)
【单选题】Key time is a period when ______.
A.
visitors come to the plants
B.
all workers must be at work
C.
employers go round in the workshops
D.
rush hours are over
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