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【单选题】
給水泵发生倒转时应（）A.
关闭入口门
B.
关闭出口门
C.
立即合闸启动
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皮皮学刷刷变学霸
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【简答题】测验的效度是指测验的可靠性，即多次测验分数的稳定和一致程度。（ ）
【简答题】9÷______=0.75= 21 () =______：36．
【简答题】比______多25%的数是36．比______少25%的数是36．
【单选题】During the inspection, the starting air valves should be closed ____ the engine from turning.
A.
to increase
B.
to speed up
C.
to prevent
D.
to reduce
【单选题】During the voyage she encountered boisterous winds and heavy weather during which time the vessel ______ heavily and to such an extent that at times it was necessary to change course.
A.
Moved
B.
labored
C.
drove
D.
Went
【简答题】测验的效度是指测验的可靠性，即多次测验分数的稳定和一致程度。
【单选题】What is NOT a requirement of the reinspection for a tank barge with a certificate of inspection valid for two years?
A.
The reinspection will be made between the fourteenth and sixteenth months
B.
The inspector shall examine all accessible parts of the vessels’s hull
C.
The inspector shall examine the vessel’s machinery as well as equipment
D.
The scope of the reinspection shall be the same as for the inspection for certification，but in less detai
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