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【单选题】
企业管理应随机而变,不存在普遍适用的最好的技术和方法是( )的观点。A.
社会系统学派
B.
管理学派
C.
经验和案例学派
D.
管理科学学派
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举一反三
【简答题】Because of the rising cost of fuel, scientists are building automobile engines who will conserve gasoline but still run smoothly.
【单选题】To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in __________.
A.
less piston slap and quieter running
B.
increased crankshaft bearing wear
C.
slightly greater piston wear
D.
decreased side pressures
【单选题】The early engines could ____________ (产生)one or two horsepower.
A.
burn
B.
produce
C.
system
【单选题】The early engines could____________(产生) one or two horsepower.
A.
product
B.
produce
C.
productive
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