单项选择题
The 3-cm radar as compared to a 10-cm radar with similar specifications will（）.
A.give better range performance in rain，hail，etc
B.display small targets in a mass of dense sea clutter at a greater range
C.have less sea return in choppy rough seas
D.display a more maplike presentation for inshore navigation
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相关考题
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单项选择题
The “urgent” priority should be used for messages（）.
A.concerning the Safety of Life at Sea (SOLAS)
B.detailing important navigational warnings
C.containing information concerning the safety of a mobile unit or person
D.concerning on-scene communications -
单项选择题
The “horse latitudes” are regions of（）.
A.brisk prevailing winds
B.light airs and calms
C.abundant blue sea grass vegetation
D.None of the above -
单项选择题
One of the first actions to be taken by survivors when they have boarded an inflatable liferaft is to（）.
A.stream the sea anchor
B.take an anti-seasickness pill
C.open the pressure relief valve
D.drink at least one can of water
