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【单选题】
可以将液压能转化为机械能的元件是由 。A.
电动机
B.
液压泵
C.
液压缸或液压马达
D.
液压阀
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【简答题】A．please B．raise C．train D．comfort
【简答题】A．please B．raise C．train D．comfort
【简答题】. My son was _______ to me when my husband was badly ill. great comfort B. a great comfort C. greatly comfortably D. greatly comfort
【简答题】A．front B．accompany C．solid D．comfort
【简答题】The sofa is (comfort) ______to sit on.
【简答题】A．close B．shut C．stop D．comfort
【单选题】__________ car is the car that costs less and provides less comfort. __________ car costs more and provides you higher level of comfort.
A.
Economy, Luxury
B.
Comfort, Luxury
C.
Economy, Comfort
D.
Comfort, Economy
【简答题】要发生燃烧同时必须具备哪三个条件?( )( )( )
【简答题】The ceremony was not for the ________ of the dead, but for the comfort of the living. A) purpose B) sake C) respect D) impression
【简答题】A．return B．response C．threat D．comfort
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