all fishing vessels over 39 feet in length
sail-propelled fishing vessels
all fishing vessels of less than 200 GT
wooden hull fishing vessels with a poor radar echo
第1题：
A. peer with route-reflectors within the cluster
B. peer with route-reflectors outside the cluster
C. peer with route-reflector-clients within the cluster
D. peer with route-reflector-clients outside the cluste
第2题：
My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？
A.used
B.available
C.in use
D.can be used
第3题：
Radar reflectors are required for ______.
A.all fishing vessels over 39 feet in length
B.sail-propelled fishing vessels
C.all fishing vessels of less than 200 GT
D.wooden hull fishing vessels with a poor radar echo
第4题：
The rescue boat on an OSV is not required to carry a ______.
A.fishing kit
B.searchlight
C.sea anchor
D.radar reflector
第5题：
Which aid is NOT marked on a chart with a magenta circle?
A.Aero light
B.Radar station
C.Radar transponder beacon
D.Radiobeacon
第6题：
I________shore-based radar assistance.
A.ask
B.look for
C.require
D.in need of
第7题：
The description Racon beside an illustration on a chart would mean a ______.
A.radar conspicuous beacon
B.circular radiobeacon
C.radar transponder beacon
D.radar calibration beacon
第8题：
The closest point of approach ( CPA ) of a contact on a relative motion radar may be determined ______.
A.immediately when the contact is noted on radar
B.only if the radar scope is watched constantly
C.after the contact has been marked at least twice
D.by an occasional glance at the radar
第9题：
The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT ______.
A.evaluate the danger of each closing visual or radar contact
B.adjust speed with due regard for the weather and visibility
C.reduce speed only where local speed limits are posted
D.enter all required test and inspection results in the vessel's log or other record carried on board
第10题：
The articulated light is superior to other types of buoys because ______．
A.The radar reflectors reflect better signals
B.Fog horn signals travel farther to sea
C.It is equipped with strobe lights
D.It has a reduced watch circle