A.watch
B.look for
C.see
D.regard
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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
A.low water slack
B.high water slack
C.high water ebb
D.high water flood
A.lower low water
B.high water
C.low water
D.sea level
最新試題
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
Clearance gauges at bridges indicate （）.
Lateral movement of the vessel to leeward of its course defines （）.
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（）.
A pilot vessel on pilotage duty shall show identity lights （）.
During a period of whiteout，you should expect which of the following（）.
The height of a light is measured from which reference plane?（）
A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.
The distance between any two meridians measured along a parallel of latitude （）.
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.