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【单选题】
20世纪80年代初兴起了一个新的组织管理科学理论，它的兴起标志着组织管理科学研究进入新的阶段。这一理论是( )A.
行为科学理论
B.
权变管理理论
C.
组织文化理论
D.
人际关系理论
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【单选题】设 X 、 Y 、 Z 都是 int 整型变量 , 且 x=2, y=3, z=4, 则下面的表达式中 , 值为 0 的表 达式是 ( )
A.
'x'&&'z'
B.
(!y= =1)&&(!z= = 0)
C.
(x
D.
x||y+y&&z-y
【单选题】What is the kinetic energy ?
A.
The two balls hit each other just after they hit the ground, the smaller tennis ball has gained from the bigger basketball.
B.
The two balls hit each other just after they hit the ground, the bigger basketball has gained from the smaller tennis ball.
C.
The two balls hit each other just after they hit the ground, the smaller tennis and the bigger basketball both have from each other.
【单选题】9 单选Magnetostrictive materials can convert energy into kinetic energy, or the reverse
A.
Heat
B.
Magnetic
C.
Kinetic
D.
Electric
【单选题】Which of the following centrifugal pump components converts the liquid kinetic energy of velocity to the potential energy of pressure?
A.
Impeller
B.
Electric motor
C.
Volute
D.
Eye
【单选题】设x、y、z都是int整型变量,且x=2, y=3, z=4,则下面的表达式中,值为0的表达式是( )。
A.
'x'&&'z'
B.
(!y= =1)&&(!z= = 0)
C.
(x
D.
x||y+y&&z-y
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