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【简答题】
( )16、电梯工作条件,对于供电电压波动应在 范围内。 A、±5%; B、±10%; C、±7%; D、+10%,-5%;
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【简答题】Formal
suits sales are increasing on cruise ships.A. True B. False C. No information
【单选题】Formal suits sales are increasing on cruise ships.
A.
True.
B.
False.
C.
No information.
【单选题】Microsoft Office 2000 includes Word,( ),Outlook and FrontPage.
A.
Excel
B.
Power Point
C.
Access
D.
All of the above
【单选题】It has been found that some government leaders ______ their power while in office to get illegal benefits for themselves. [ ]
A.
employ
B.
take
C.
abuse
D.
achieve
【简答题】(2分)工件在加工之前,使同一批工件在机床或夹具上占据某一正确位置的过程称为 ,然后将其固定使其在加工过程保持位置不变的操作称为 。
【单选题】Equal power factors on paralleled AC generators are maintained by an automatic ________. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
governor control switch
B.
voltage regulator
C.
reverse power relay
D.
reverse current relay prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】Cruise ships DO NOT make profit by:
A.
Taking in a lot of passengers.
B.
Charging high prices for all types of rooms
C.
Operating bars, casinos, and shopping centers on board.
【简答题】工件在加工之前,使同一批工件在机床或夹具上占据某一正确位置的过程称为 ,然后将其固定使其在加工过程保持位置不变的操作称为 。
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