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【单选题】
使用回油喷油泵的多缸柴油机,检查各缸供油均匀性的常用方法是( )。A.
测量各缸最高爆发压力
B.
计算各缸的平均指示压力
C.
轮流单缸停油,观察对转速降低的影响
D.
油门标定检查各泵齿条刻度值
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【单选题】(2013·济南一模)________ you are unable to deal with it, perhaps we should ask someone else for help.
A.
Although
B.
While
C.
Since
D.
Unless
【简答题】What do you use to get around town? A car? A bike? Your feet ? perhaps you should try a segway! The Segway is perfect for short journeys. It’s an electric vehicle that consists of a platform between t...
【单选题】—The problem isn't difficult for the children to work out, is it？ —_____ . Perhaps they should have been given a more difficult one.
A.
Yes, it is
B.
Yes, it isn't
C.
No, it is
D.
No, it isn't
【简答题】Perhaps you should __________some sports activities to relax. (参加)
【单选题】_____ you are unable to answer, perhaps we should ask someone else.
A.
If
B.
Since
C.
Although
D.
When
【单选题】______ you are unable to answer, perhaps we should ask someone else.
A.
Since
B.
If
C.
When
D.
That
【单选题】______ you are unable to answer, perhaps we should ask someone else.
A.
Thus
B.
Since
C.
For the reason
D.
Hence
【单选题】Should you not be able to accept to be our agency in your area, perhaps you could ______ some other reliable and well-established firms whom we might approach.
A.
demand
B.
commend
C.
recommendation
D.
recommend
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