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【单选题】
如图所示等直杆，杆长为3a，材料的拉压刚度为EA，杆中点横截面的铅垂位移为( )。A.
0
B.
C.
D.
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【单选题】The workers are unlikely to be______by the factory because of the support of the Trade Union.
A.
laid aside
B.
laid down
C.
laid off
D.
laid out
【简答题】The workers are carrying p______( 包裹 )at the station.
【单选题】Working conditions generally remain bad because.
A.
the workers are quite satisfied with them.
B.
no one can decide what to do about them.
C.
managers see no need to change them.
D.
office workers want to protect their position
【单选题】工人们正努力尽快提高产量。
A.
The workers are working to increase production at the highest speed possible.
B.
The workers are trying to raise production at the quickest velocity.
C.
The workers are trying to improve production as fast as possible.
D.
The workers are working to raise production as fast as possible.
【单选题】听力原文：According to the TV news the workers are threatening to go on strike unless the company raises the hourly wage. (28)
A.
The company raised the worker's wage to avoid a strike.
B.
The company demands that workers strike.
C.
If the wages are not increased, the workers plan to go on strike.
D.
The company threatens to pay the workers less.
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