阿摩線上測驗
5. The ________ onboard the ship is not operational because the water cannot come out to
extinguish the fire.
(A) foam extinguisher system
(B) sprinkler system
(C) chemical extinguisher system
(D) fire damper system
答案：登入後查看
統計： A(20), B(82), C(15), D(57), E(0) #1974025
統計： A(20), B(82), C(15), D(57), E(0) #1974025
