航海英語(yǔ)緊急用語(yǔ)單項(xiàng)選擇題每日一練(2019.01.26)

來(lái)源：考試資料網(wǎng)

1 Five or more short blasts on a vessel’s whistle indicates that she is（）.

2 A Coast Guard radiotelephone message about an aid to navigation that is off station is preceded by the word（）.

3 To prevent a wooden hull from leaking you caulk it（）.

4 What is the MOST irritating to the skin?（）

5 To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.