41 A well-designed _______ can help people travel quickly from any location in a building to a safe
place in the event of a safety emergency.
(A) fire extinguisher
(B) evacuation route
(C) foam nozzle
(D) life detector
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統計: A(22), B(128), C(15), D(14), E(0) #2940385
統計: A(22), B(128), C(15), D(14), E(0) #2940385