A.shown
B.expressed
C.appeared
D.displayed
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A.a room
B.room
C.rooms
D.the room
A.ample
B.sufficient
C.enormous
D.incredible
A.course
B.track
C.direction
D.trend
A.replaces directional signals
B.makes the other vessel the stand-on vessel
C.indicates doubt as to another vessels actions
D.is the same as a MAYDAY signal
A.distortion and compression
B.hydraulic and mechanical
C.magnetic and applied torque
D.frictionless and hydraulic
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We have no steel wire．You had better（）us one.
Which radiotelephone signal indicates receipt of a distress message?（）
When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio（）.
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The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
The two main types of load cells used in mooring tension gauges are（）.
What are symptom(s) of a ruptured appendix?（）
PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）
The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.
To prevent a wooden hull from leaking you caulk it（）.