A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
您可能感興趣的試卷
你可能感興趣的試題
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
AFTER DROPPING THE PILOT means （）.
The Earth has the shape of a(n) （）.
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 （）.
At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.
The meaning of ebb tide is that （）.
During daylight savings time the meridian used for determining the time is located farther （）.
Due to lapse of time the risk in these areas to surface navigation is now considered （）than the ordinary risks of navigation，but a very real risk still exists with regard to anchoring，fishing or any form of submarine or seabed activity.
The Earth’s irregular heating is caused by （）.
A vessel not to impede the passage of another vessel is not relieved （） taking collision-avoiding action.