单项选择题
The only type of helicopter that may be refueled with the engine running and the blades turning is（）.
A.a helicopter carrying cargo only
B.a turbine-equipped helicopter
C.a Sikorsky
D.a helicopter carrying injured personnel in an emergency situation
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相关考题
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单项选择题
The most likely location for a liquid cargo fire to occur on a tanker would be（）.
A.in the midships house
B.at the main deck manifold
C.at the vent header
D.in the pumproom -
单项选择题
The major cause of anchor buoy pendant wire failures is（）.
A.corrosion
B.rough weather
C.defective sockets
D.mishandling -
单项选择题
The distance gained in the direction of the original course when you are making a turn is known as（）.
A.advance
B.drift
C.tactical diameter
D.transfer
