单项选择题
The master should（）necessary precautions to prevent accidents or damage.
A.do B.take C.set D.have
单项选择题 The injured stevedore paid（）attention to the loading instructions from the chief Officer.
单项选择题 The first the Second Mate knew of the fire was the sounding of the emergency alarm，which had been（）from the engine room.
单项选择题 The expression DROP ANCHOR means（）.
