問題詳情
5. The ________ onboard the ship is not operational because the water cannot come out toextinguish the fire.
(A) foam extinguisher system
(B) sprinkler system
(C) chemical extinguisher system
(D) fire damper system
參考答案
答案：B
難度：適中0.5
統計：A(0),B(4),C(0),D(4),E(0)