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【单选题】
阀门遥控系统的阀门在机舱舱底、管隧等潮湿环境和油船上的危险区域使用时，其阀门驱动方式一般不采用（ ）。A.
电动
B.
气动
C.
液压
D.
水压
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举一反三
【单选题】Two lawyers were told not to leave the building but no reason for this _____ was given.
A.
convenience
B.
instruction
C.
explanation
D.
construction
【单选题】It is concluded from the passage that the testimony given by one or two persons is ______.
A.
always worthless
B.
often reliable
C.
interesting but not reliable
D.
nearly worthless if it is concerned with matters of great importance
【单选题】______ of the two subjects in the experiment realized that they were being given placebos instead of the real medication.
A.
Most
B.
Either
C.
Several
D.
Neither
【单选题】and we’ll finish the work on time.
A.
If we are given two more days
B.
Two more days
C.
Having two more days
D.
Given two more days
【单选题】A library with two hundred thousand books _____ to the school last year. [ ]
A.
was given
B.
were given
C.
will be given
D.
are given
【简答题】The author thinks that the options given by the two different camps would not work and he suggested ______option.
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