15. Fire-resistant materials are used to retard _____ of modem aircraft in case of accidents.
(A) a damage about the passenger cabin
(B) that damages to the passenger cabin
(C) damage to the passenger cabin
(D) in passenger cabin’s damages
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統計: A(40), B(21), C(129), D(22), E(0) #3278147
統計: A(40), B(21), C(129), D(22), E(0) #3278147