It is futile trying to use water to extinguish a fire fueled by liquids or gases. We should use carbon dioxide to dilute the oxygen available and stop the burning.
Acombustible正確答案
Bfireproof
Cnonflammable
Dsmoke-free
答案與詳解
為什麼答案是 A
combustible 意為「可燃的、易燃的」。題幹描述火源是由液體或氣體所助燃，這些液體/氣體必為可燃性物質，語意完全吻合。
考點：可燃的考點：防火的考點：不可燃的考點：禁菸的
載入中…
