The fire was （）out.

单项选择题Where are the life-jackets for the duty personnel?（）

A. They are in the chief officer’s cabin.
B. They are in the store room.
C. They are in the control room.
D. They are in the engine room.

单项选择题Where is the （）aid equipment?

A.one
B.second
C.first
D.two

单项选择题I have some questions about the （）equipment.

A.safety
B.safe
C.saving
D.save

单项选择题The fire is out of（） .

A.controlled
B.controller
C.control
D.controllable

单项选择题The air is （）. Don’t enter that area.

A.fresh
B.toxic
C.poison