题海让大学四年没有难题
白天模式登陆

题目详情

单选题 Every vessel shall. _____maintain a proper lookout by sight and hearing as well as by all available means appropriate in prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision

A. at all times

B. in fog

C. at night

D. in narrow channel

学科:9003 Nautical English

时间:2023-06-12 12:20:23

Copyright © 2022 津ICP备2021001502号