The required number of dual ___________ nozzles are on board, and each fire hose togetherwith any

問題詳情

9.The required number of dual ___________ nozzles are on board, and each fire hose togetherwith any neseccary fittings and tools kept ready for use in a conspicuous position near waterservice hydrants or connections.
(A)usage
(B)alternatives
(C)selection
(D)purpose

參考答案

答案：D
難度：適中0.575758
統計：A(2),B(4),C(5),D(19),E(0)

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