阿摩線上測驗
53 Breathing air that has been heated to flame temperatures normally found during a structure fire can seriously damage the .
(A) escape route
(B) air cylinder
(C) dust explosion
(D) respiratory tract
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統計： A(26), B(41), C(14), D(61), E(0) #2354258
統計： A(26), B(41), C(14), D(61), E(0) #2354258
