阿摩線上測驗
9.The required number of dual ___________ nozzles are on board, and each fire hose together
with any neseccary fittings and tools kept ready for use in a conspicuous position near water
service hydrants or connections.
(A)usage
(B)alternatives
(C)selection
(D)purpose
答案：登入後查看
統計： A(9), B(17), C(12), D(88), E(0) #575740
統計： A(9), B(17), C(12), D(88), E(0) #575740
