49 A fire is an emergent situation in any location. In a hospital with _____ materials and gases, the sense of emergency is heightened.
(A) fireproof
(B) flammable
(C) fundamental
(D) fragmentary
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統計: A(26), B(66), C(10), D(2), E(0) #3116991
統計: A(26), B(66), C(10), D(2), E(0) #3116991