单项选择题
We should take （）to keep the chemicals away from fire.
A. great care
B. some measures
C. fresh water
D. fresh air
点击查看答案&解析
相关考题
-
单项选择题
During a fire drill on a vessel, what action is required？（）
A. Start each fire pump
B. Launch and run a lifeboat
C. Inspect fire hoses
D. Close each fire pump -
单项选择题
（）are used for lifesaving .
A. Life-jacket and lifebuoy
B. Freeboard
C. Telemeter
D. Draft -
单项选择题
Oil fires are best extinguished by （）.
A. cutting off the supply of oxygen
B. removing the fuel
C. spraying with water
D. adding oxygen
