(1.5 分)
What is emphasized in the passage?
A.The importance of proper radar use. B.The importance of proper lookout. C.The proper fitting of anchor light. D.The proper assessment of the risk of collision.正确答案B
(1.5 分)
What is emphasized in the passage?
A.The importance of proper radar use. B.The importance of proper lookout. C.The proper fitting of anchor light. D.The proper assessment of the risk of collision.正确答案B