If you must enter water on which there is an oil fire, you should ______.
举一反三
- You must fire ______ incompetent assistant of yours.
- 中国大学MOOC: If you want to put out a fire, you may draw water from a __________ in the street.
- To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）. A: glycerine B: graphite C: kerosene D: fresh water and soa
- If water is rising in the bilge of a lifeboat，you should FIRST（）.
- If you want to put out a fire, you may draw water from a __________ in the street. A: hydrant B: thermos C: spittoon D: basin