essential
preliminary
sophisticated
sheer
第1题：
A line of position derived by radar range from an identified point on a coast will be a(n) ______.
A.straight line
B.arc
C.parabola
D.line parallel to the coast
第2题：
A report of casualty to a mobile offshore drilling unit must be made in writing to which office?
A.Commandant of the Coast Guard
B.Owner of the unit
C.Nearest Coast Guard Marine Safety Office
D.Captain of the nearest port
第3题：
The class of tide that prevails in the greatest number of important harbors on the Atlantic Coast is ______.
A.interval
B.mixed
C.diurnal
D.Semidiurnal
第4题：
Canada is bounded on the east by（）
Athe Pacific Ocean
Bthe Atlantic Ocean
Cthe Indian Ocean
Dthe Arctic Ocean
第5题：
In the Sargasso Sea there are large quantities of seaweed and no well defined currents. This area is located in the ______.
A.Central North Atlantic Ocean
B.Caribbean Sea
C.Western North Pacific Ocean
D.area off the west coast of South America
第6题：
On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the ______.
A.Canary Current
B.Benguela Current
C.Agulhas Current
D.South Atlantic Current
第7题：
If you are sailing from the East Coast of the United States to the Caribbean Sea，which publication would contain information on weather，currents，and storms?
A.Sailing Charts of the Caribbean Sea
B.Pilot Charts of the North Atlantic
C.Light Lists，Atlantic and Gulf Coast
D.Tidal Current Tables
第8题：
________ is named as tropical cyclones in the North Atlantic．
A.Typhoon
B.Hurricane
C.Baguio
D.Willy-willy
第9题：
第10题：
Britain’s climate is influenced by（）,a warm ocean current that passes the western coast of the British Isles and warms them.
Athe North Atlantic Drift
Bthe Brazil Current
Cthe Labrador Current
Dthe Falkland Current