单项选择题

The ship is not very stable，please（）when making a turn.

A.stop down
B.speed down
C.slow down
D.down slow

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单项选择题

A.SOS，ZZZ，XXX
B.SOS，UUU，SSS
C.SOS，XXX，TTT
D.SOS，TTT，UUU

单项选择题

A.final topping off is occurring
B.first starting to receive fuel
C.hoses are being blown down
D.hoses are disconnected and being capped

单项选择题

A.at all times
B.during evening hours
C.unless another person is present
D.during drilling operations