单项选择题

There is plenty of（）at this area.

A.A room
B.Room
C.Rooms
D.The room

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单项选择题

The primary reason for placing covers over storage batteries is to（）.

A.Prevent the accumulation of explosive gases
B.Protect the hull from leaking electrolyte
C.Prevent movement of the battery in rough waters
D.Protect against accidental shorting across terminals

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.

A.Small
B.Little
C.Few
D.A few