A.low and bare，but the land back of it is high and wooded
B.composed of low to medium rolling hills
C.well defined with rocky outcroppings
D.marked by high，barren hills
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A.pitching
B.rolling
C.heaving
D.swaying
A.windward side
B.leeward side
C.safe semicircle
D.dangerous semicircle
A.is used mostly by towing vessels
B.has a maximum depth of 14 feet (4.3 meters) at MHW
C.West Gap has a controlling depth of 24 feet
D.is entered through the East Gap or the West Gap
A.installing rat guards on the mooring lines when in port
B.keeping foods protected and avoiding the accumulation of garbage
C.eliminating possible living spaces for rats when the ship is constructed
D.trapping and/or poisoning the rats
A.Greenish
B.Bluish
C.Grey
D.Grey-white
最新試題
To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located（）.
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
What indicates that a tropical cyclone may be within 500 to 1，000 miles of your position?（）
The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
When preparing a ship for heavy weather，fuel oil day tanks should be（）.
The forward movement of a ship in one revolution of its propeller is measured by（）.