皮皮学，免费搜题
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【单选题】
做差动连接的杆活塞缸 ,要使活塞往复运动速度相同,则要满足( )A.
活塞直径为活塞杆直径的2倍
B.
活塞直径为活塞杆直径的 根号 2 倍
C.
活塞有效作用面积为活塞杆面积的2倍
D.
活塞有效作用面积为活塞杆面积的 根号 2 倍
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举一反三
【单选题】Everyone has right to express himself, __________?
A.
hasn't he
B.
has he
C.
don't they
D.
do they
【单选题】特定引导的进站(或进路)信号机前,列车运行速度低于( )km/h时,允许司机顺序按压【开车】键、【解锁】键解除对该信号机的停车控制功能。
A.
30
B.
40
C.
60
【单选题】Everyone has the right to live where he wants to, ______ the color of his skin.
A.
in spite of
B.
with respect to
C.
in terms of
D.
regardless of
【单选题】Which of the following statements is TRUE, according to the author?
A.
Everyone has a right to hold his own opinion.
B.
Free expression of opinions often leads to confusion.
C.
Most people tend to be careless in forming their opinion.
D.
Casual use of the word 'opinion' often brings about quarrels.
【简答题】Everyone has the right to live where he/she wants to, _____________ (不管其肤色如何).
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