單項(xiàng)選擇題The necessity of the segregation of cargoes is determined by（）.
A.experience from practice
B.various types of cargoes
C.different types of ships
D.personal abilities
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1.單項(xiàng)選擇題The officer of the watch should（）comply with the collision rules.
A.some times
B.often
C.at all times
D.seldom
2.單項(xiàng)選擇題The phrase when built in the certificate of vessel’s nationality definitely means（）.
A.when was your vessel built
B.at what time is your vessel building
C.when is your vessel built
D.at what time you built your vessel
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Which of the following is not a form of precipitation?（）
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The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
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（）is on the panel of radar.
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Bales close to the deckhead should be covered to prevent（）.
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Manoeuvring information can not be obtained from（）.
題型：?jiǎn)雾?xiàng)選擇題