The three basic components of a fire are chain reaction, heat, fuel, and ____.
A.carbon monoxide
B.oxygen
C.carbon dioxide
D.any gaseous substance
第1题:
What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels ________.
A.Chain lever
B.Turnbuckle
C.Webbing
D.Chain
第2题:
Category 2 fuel _____________________
第3题:
利用Heat进行设计和定义编排极为方便,请你写出Heat的编排方式
第4题:
第5题:
以下哪一项表达最为准确?
A.Both bombs produce the same three effects: heat, blast, and radiation. The first of which usually causes the most fatalities.#B.Both bombs produce the same three effects: heat, blast, and radiation, the first of them usually causes the most fatalities.#C.Both bombs produce the same three effects: heat, blast, and radiation, the first of which usually causes the most fatalities.#D.Both bombs produce the same three effects