問題詳情

37.A light illuminating a sector or very narrow angle and intended to mark a direction to be followedis known as .
(A)sector light
(B) directional light
(C)leading light
(D)range light

參考答案

答案：B
難度：適中0.5
統計：A(0),B(1),C(1),D(0),E(0)