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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 航海英语综合练习

单项选择题

Which of below device has the maximum coverage range（）

A.AIS
B.Radar
C.VHF
D.LRIT

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单项选择题

We took usual steps:sounding the depth, reversing and stopping engine,paying out anchor and 60 fathoms of chain cable in the depth of 12 fathoms.The operation above is（）.

A.berthing
B.searching
C.anchoring
D.picking up pilot

单项选择题

Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?（）

A.salinity
B.temperature
C.the hydrostatic pressure
D.Vessel’s speed

单项选择题

Who can contact the Designed Person?（）

A.the designated person
B.the captain
C.all senior officer
D.all officers and crew

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