【单项选择题】
Fires can be divided into different （）.
A、A.kind
B、B.kinds
C、C.types
D、D.B+C
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搜题
更多“Fires can be divided into different （）.”相关的问题
第2题
A、It is MOST effective on very hot oil fires where the temperatures of the liquid exceed 100°C (212°F) B、Most foams can be used with dry chemicals to attack a fire by two methods C、Foam is effective on combustible metal fires D、Foam can be made with seawater or fresh water
第3题
A、it provides cooling as a secondary effect B、works well on extinguishing electrical fires C、can be used to combat combustible metal fires D、All of the above
第9题
A、Foam conducts electricity B、To be most effective，foam should be directed at the base of the fire C、Foam is most effective on burning liquids which are flowing D、Foam can ONLY be used to extinguish class A fires
