In the doldrums(赤道无风带) you can expect ______.

试卷相关题目

• 1A wind vane on a moving vessel shows ______.

  A.dead reckoning wind direction

  B.true wind direction

  C.relative wind direction

  D.estimated wind direction

  开始考试点击查看答案
• 2Vessels in port may use ______ for receiving typhoon warnings during the typhoon season．

  A.their transmitters

  B.their receivers

  C.their radars

  D.their GPS

  开始考试点击查看答案
• 3From ______ the mariner can know the data of tide．

  A.the Sea Pilot

  B.the Cargo Plan

  C.the Tide Table

  D.the Port List

  开始考试点击查看答案
• 4There shall be two principal ______ through the harbor for the passage of vessels．

  A.straits

  B.channels

  C.canals

  D.roadsteads

  开始考试点击查看答案
• 5Information on shipping movements can be ______ by radio from Dover Port Control．

  A.got

  B.made

  C.obtained

  D.taken

  开始考试点击查看答案
• 6A cloud sequence of cirrus，cirrostratus，and altostratus clouds followed by rain usually signifies the approach of a(n) ______.

  A.occluded front

  B.stationary front

  C.warm front

  D.cold front

  开始考试点击查看答案
• 7When warm moist air is blown over a colder surface, ______ will happen.

  A.advection fog

  B.radiation fog

  C.dense fog

  D.steam fog

  开始考试点击查看答案
• 8In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as ______ .

  A.Moderate gale

  B.Near gale

  C.Strong gale

  D.Whole gale

  开始考试点击查看答案
• 9The Admiralty Notices to Mariners can be obtained ______ by Masters of vessels from any Admiralty Chart Agent．

  A.free of charge

  B.with no responsibility

  C.without limitations of distribution

  D.with little charges

  开始考试点击查看答案
• 10In revised editions of Admiralty charts the ______ are corrected first．

  A.smaller scales

  B.larger scales

  C.smaller scales and larger scales

  D.moderate scales

  开始考试点击查看答案