航海英語航海圖書資料單項選擇題每日一練(2018.11.05)

單項選擇題
The first indications a mariner will have of the approach of a warm front will be （）.
A.large cumulonimbus (thunderclouds) building up
B.high cirrus clouds gradually changing to cirrostratus and then to altostratus
C.fog caused by the warm air passing over the cooler water
D.low dark clouds accompanied by intermittent rain
單項選擇題
（）day，pilot flag should be displayed from main mast．
A.From
B.By
C.on
D.With
單項選擇題
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
A.Prohibit to anchor
B.Prohibited to anchor
C.Prohibited from anchor
D.Prohibited from anchoring
單項選擇題
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）.
A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
單項選擇題
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
A.Supplements
B.Annual Summary
C.Navigational Warnings
D.Notices to Mariners

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