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【简答题】
在汽轮机不进蒸汽时驱动转子以一定转速旋转的设备称为 。
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皮皮学刷刷变学霸
举一反三
【单选题】Ben derived a lot of ______ from his boss’s apology. A. comfort B. ease C. gratification D.
A.
comfort
B.
ease
C.
gratification
D.
satisfaction
【单选题】The students were ______ by his humorous words.
A.
carried away
B.
carried in
C.
carried out
D.
carried on
【单选题】We _____ his luggage; his brother carried it himself.
A.
needn’t have carried
B.
didn’t need carrying
C.
needed to have carried
D.
didn’t need to carry
【单选题】控制系统引入积分作用是为了消除余差,但积分的引入会使系统产生振荡现象。而引入微分作用是为了克服( )对系统的影响。
A.
纯滞后
B.
容量滞后
C.
传输滞后
D.
时滞
【简答题】We ______ his luggage; his brother carded it himself． A．needn't have carried B．didn't need carrying C．needed to have carried D．didn't need to CalTy
【单选题】We his luggage; his brother carried it himself.
A.
needn’t have carried
B.
didn’t need carrying
C.
needed to have carried
D.
didn’t need to carry
【单选题】Doubting that the traveler carried drugs, the Customs officer stopped him and _______ his suitcase, but found nothing at all.
A.
looked up
B.
went through
C.
searched for
D.
referred to
【单选题】It is desired that his order______ as soon as possible.
A.
will be carried out
B.
should be carried out
C.
must be carried out
D.
would be carried out
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