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海船船员
大副
航海英语【甲类】
航海英语【大副甲类】
专项训练一
专项训练一
卷面总分:100分
答题时间:100分钟
题量:76题
题型:单选题
试卷简介: 专项训练一, 此试卷为参加"航海英语【大副甲类】"的考生提供的"专项训练一"的答案和解析。
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1
单选题
1分
The working frequency band for a ship earth station in Inmarsat system is ______.
A.
L band
B.
C band
C.
X band
D.
S band
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2
单选题
1分
The ship's officers must do checking on the ______ of all the cargoes loaded on board.
A.
stowage
B.
classification
C.
categorization
D.
proportion
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3
单选题
1分
The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for ______.
A.
the sun to be at the opposite side of the moon
B.
the moon to be at the opposite side of the earth
C.
the moon to be at its apogee(远地点)
D.
the sun and the moon to be on the same side
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4
单选题
1分
Before switching on gyro-compass,you should make sure that the power supply on board is ______.
A.
high or low
B.
AC or DC
C.
strong or weak
D.
on or off
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5
单选题
1分
Which can be prevented only by segregating two lots of cargo into separate holds?
A.
Contamination of dry cargo by a wet cargo
B.
Contamination of a clean cargo by a dirty cargo
C.
Contamination of a food cargo by an odorous cargo
D.
Overcarriage,overstowage,and short landing
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