42 Firefighters are instructed to take the stairs when possible and take in elevators, including inspecting
open shafts for smoke and stopping at least two floors below the fire to walk the rest of the way.
(A)precedence
(B)presumptions
(C)precautions
(D)preparation
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統計: A(0), B(0), C(1), D(0), E(0) #3478850
統計: A(0), B(0), C(1), D(0), E(0) #3478850