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
答案:登入後查看
統計: A(45), B(25), C(170), D(24), E(0) #3278147
統計: A(45), B(25), C(170), D(24), E(0) #3278147