問題詳情

18. ______ is a ring made of buoyant material which can be thrown overboard to rescue a personwho has fallen into water. It is specially designed to keep the person afloat until he is recoveredfrom the water.
(A) Lifeline
(B) Lifejacket
(C) Liferaft
(D) Lifebuoy

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

內容推薦

內容推薦