A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
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A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
A.watch
B.look for
C.see
D.regard
A.west in west longitude and east in east longitude
B.east in west longitude and west in east longitude
C.west
D.east
A.Snowfall or blowing snow
B.Lack of ability to estimate distance
C.Harsh contrast between sun-illuminated snow cover and the background
D.Hazy horizons with extensive mirage effects
A.more serious
B.not less serious
C.more dangerous
D.no more dangerous
最新試題
For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
The height of eye correction is smaller than geometrical dip because of （）.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
Clearance gauges at bridges indicate （）.
A vessel not to impede the passage of another vessel is not relieved （） taking collision-avoiding action.
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
An occulting light is one in which （）.
A vessel is entering port A for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do（）.