A.the period of darkness exceeds the period of light
B.there is only a partial eclipse of the light
C.the periods of light and darkness are equal
D.the period of light exceeds the period of darkness
您可能感興趣的試卷
你可能感興趣的試題
A.After boarding the pilot
B.After the pilot leaving the ship
C.After the pilot going on board
D.After taking the pilot
A.high barometric pressure
B.jet stream
C.storm surge
D.torrential rains
A.on
B.of
C.in
D.for
A.Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel
B.State his concerns to the Pilot but do not interfere with the handling of the vessel
C.Direct the Pilot to stop the vessel and anchor if necessary until the situation clears
D.Recommend an alternative action and if not followed relieve the Pilot
A.from the ship's propeller when making up aft
B.from being overrun if making up forward
C.hull damage while alongside passing a hawser
D.getting in a tripping position
最新試題
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the ().
Above-normal tides near the center of a hurricane maybe caused by the ().
The period at high or low tide during which there is no change in the height of the water is called the ().
Clearance gauges at bridges indicate ().
The Earth’s irregular heating is caused by ().
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will ().
During daylight savings time the meridian used for determining the time is located farther ().
A pilot vessel on pilotage duty at night will show sidelights and a sternlight ().
A vessel not to impede the passage of another vessel is not relieved () taking collision-avoiding action.
The height of a light is measured from which reference plane?()