A.release it immediately
B.attempt to beach it before it goes under
C.pay out cable until it's on the bottom and place a buoy on the upper end
D.shorten cable to keep it off the bottom
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A.the dark appearance of the underside of a cloud layer due to reflection of a surface of open water
B.the soft light appearance on the underside of a cloud layer due to reflection from a surface of open water
C.the yellowish-white glare on the underside of a cloud layer
D.water sky
A.be on an even keel
B.be trimmed slightly by the head
C.have a drag of not more than 60 - 90 centimeters
D.be ballasted so the forefoot is near the surface
A.either trimmed by the head or the stern
B.on an even keel
C.trimmed down by the head
D.trimmed down by the stern
A.anchor
B.to anchor
C.anchoring
D.to anchoring
A.shows a light with varying lengths of the lighted period
B.shows a light that changes color
C.marks an alternate lesser-used channel
D.is used as a replacement for another light
最新試題
A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the（）.
A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral 4 when the vessel（）.
A tug’s horsepower available at the shaft is（）.
In selecting a tug for moving a vessel，consideration should be given to its（）.
In most cases，when a large merchant vessel enters shallow water at high speed the（）.
A vessel proceeding along a narrow channel shall（）.
A vessel proceeding along the bank of a river or channel has the tendency to（）.
A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.
All persons or vessels within the lock area，including the lock approach channels，come under the authority of the（）.
On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.