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【单选题】
下列可动连接中,哪一个是?( )A.
内燃机的曲轴与连杆的连接
B.
缝纫机的针杆与机头的连接
C.
车床拖板与床面的连接
D.
火车车轮与铁轨的接触
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反馈参考答案：
举一反三
【单选题】Burn Calories While You Do Your Chores! You may not realize just how many calories you burn doing everyday tasks. Daily chores do burn calories and, in some cases, help tone muscles. The only catch is...
A.
Raking leaves in your yard.
B.
Washing dishes.
C.
Surfing the Internet.
D.
Fixing dinner.
【单选题】How many times do the road and railway intersect on this map?
A.
平行
B.
打断
C.
汇集
D.
相交
【简答题】How many main Depots are there in one Railway Bureaus?what are they?
【简答题】It seems that many people who accuse the EU of bur __ __ __ __ __ __ __ __ do not really know how it works. ____________
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