問題詳情

6. A ________ is an outlet from a fluid main often consisting of anupright pipe with a valve attached from which water can be tapped toput out fire.
(A) hydrant
(B) hose
(C) nozzle
(D) spanner

參考答案

答案：A
難度：簡單0.714286
統計：A(5),B(1),C(1),D(0),E(0)