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【单选题】
一个平面运动的自由构件有多少个自由度:
A.
3个
B.
4个
C.
6个
D.
2个
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A.
He was asked to leave the hotel.
B.
The receptionist was rude to him.
C.
All his things were in disorder.
【单选题】A.He was asked to hand in his paper.B.He didn t hand in his paper on time.
A.
He was asked to hand in his paper.
B.
He didn t hand in his paper on time.
C.
He handed in his paper earlier.
D.
The teacher liked his paper very much.
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A.
饱和蒸汽
B.
未饱和蒸汽
C.
过热蒸汽
D.
过饱和蒸汽
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【判断题】各种沟通方式与渠道都有它自己的特征以及适用的环境。
A.
正确
B.
错误
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【判断题】各种沟通方式与渠道都有它自己的特征以及适用的环境。
A.
正确
B.
错误
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