For working details ______ Admiralty list of Radio Signal

试卷相关题目

• 1Every ship should hoist ______ when approaching and entering ports．

  A.its flashing light

  B.the ship's name

  C.its identification

  D.its signal letters

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• 2A vessel moored with two anchors，sometimes，at an exposed roadstead to ______．

  A.aid turning the ship

  B.obtain a fine bearing

  C.increase ship swings to wind or tide

  D.lighten the stress of anchor chains

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• 3We ______ at anchor in the roadstead till the evening．

  A.have to ride

  B.have to get

  C.have to put

  D.have to make

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• 4It is sometimes necessary to moor bow and stern to two mooring buoys in order to ______．

  A.avoid any swing in a restricted space

  B.shelter the ship from strong winds

  C.prevent to touch with other vessels

  D.make a convenience of cargo discharging

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• 5______ means the curve on the earth's surface which cuts all the meridians at the same angle．

  A.Great Circle

  B.Position Line

  C.Rhumb line

  D.True Bearing

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• 6In relation to the turning circle of a ship，the term advance means the distance ______．

  A.gained at right angles to the original course

  B.gained in the direction of the original course

  C.moved sidewise from the original course when the rudder is first put over

  D.around the circumference of the turning circle

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• 7I have steerage way．It is said that ______．

  A.I am underway

  B.I am out of control

  C.I am not making way through the water

  D.I have the amount of movement forward which the ship needs to be steered properly

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• 8Vessels are warned ______ in the area enclosed by pecked lines owing to the existence of numerous telegraph cables．

  A.anchor

  B.to anchor

  C.not to anchor

  D.not to anchoring

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• 9Plain language is usually used on marine weather ______．

  A.forecasts

  B.observations

  C.analyses

  D.reports

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• 10As the temperature of an air mass decreases，the ______．

  A.absolute humidity（湿度） decreases

  B.relative humidity increases

  C.specific humidity decreases

  D.dew point rises

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