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【单选题】
图示机构中,OA杆在图示位置的角速度为,其转向为逆时针向。取BCD构件上的B点为动点,动系选为与OA连,则以下四图中的动点速度平行四边形,哪一个是正确的?
A.
B.
C.
D.
D
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参考答案:
举一反三
【多选题】含有腺苷酸的辅酶有
A.
NAD+
B.
辅酶A
C.
FAD
D.
NADP+
【单选题】What does the professor say the term stadium refers to?
A.
A place for making astronomical observations.
B.
An instrument used for observing stars.
C.
A unit of measurement.
D.
The North Star.
【单选题】Which term refers to how well a product does what it is supposed to do?
A.
capacity
B.
consistency
C.
reliability
D.
performance
E.
quality control
【单选题】最有利于保护债权人的海事赔偿责任限制制度应是( )。
A.
执行制度
B.
委付制度
C.
船价制度
D.
金额制度
【单选题】What is the term ‘cultural heritage’ refers to? ( )
A.
artists
B.
artistic or architectural significance
C.
military objects
D.
civil building
【单选题】上颌第一前磨牙分叉成颊、舌两根者占()
A.
约15%
B.
约30%
C.
约50%
D.
约80%
E.
约100%
【单选题】What is the term which refers to the supply of electrical energy required to supply radio installations on every ship for the purpose of conducting distress and safety radio communications in the even...
A.
Emergency power
B.
Reserve source of energy
C.
Ship’s emergency diesel generator
D.
Ship’s standby generator
【多选题】含有腺苷酸的辅酶有
A.
NAD+
B.
NADP+
C.
FAD
D.
FMN
【单选题】What OSPF term refers to a network or router interface?
A.
Link
B.
Area
C.
LSA
D.
STP
【判断题】目前的创业环境更适合个人创业,而非团队合作。
A.
正确
B.
错误
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