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【单选题】
下图为曲柄摇杆机构,构件 4 为机架,构件 1 为件曲柄,构件 2 为连杆,构件 3 为从动件摇杆。则根据压力角和传动角的定义,表述正确的是( )。A.
角 γ 为压力角，角φ 为传动角
B.
角γ 为压力角，角 α 为传动角
C.
角 φ 为压力角，角 α 为传动角
D.
角α 为压力角，角γ 为传动角
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【判断题】There is general consensus within the United States that social responsibility must take precedence over profits.
A.
正确
B.
错误
【简答题】22 对顶螺母为 防松,开口销与槽形螺母为 防松,串联钢丝为 防松。 a) 摩擦 b) 直接锁住(机械防松) c) 破坏螺纹副(不可拆)A. a) 摩擦 b) 直接锁住（机械防松） b) 直接锁住（机械防松）
【单选题】Physiological needs- This is the most basic. The need for adequate food, clothing and shelter are survival requirements that, until they are satisfied, take precedence over other needs.
A.
Physiological needs
B.
adequate food, clothing & shelter
C.
The need
D.
take precedence over other needs
【单选题】The interests of the public take precedence __________that of the individual.
A.
above
B.
over
C.
to
D.
of
【单选题】in air cargo transportation, Class Rates take precedence over ( ).
A.
SCR
B.
GCR
C.
CCR
D.
ACR
【判断题】In collectivistic culture,personal goals and interests take precedence over collective goals and interests.
A.
正确
B.
错误
【单选题】___ take precedence over all social relationships; therefore nepotism is somewhat customary in many business environments and viewed in a positive way.( )
A.
Loyalty
B.
Family pride
C.
Employment
D.
Loyalty and family pride
【单选题】in air cargo transportation, class rate take precedence over ( )2015
A.
SCR
B.
GCR
C.
CCR
D.
ACR
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