航海英語航海出版物單項(xiàng)選擇題每日一練(2019.01.18)

來源：考試資料網(wǎng)

1 A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.

2 A pilot vessel on pilotage duty at night will show sidelights and a stern light （）.

3 （）outlines the Admiralty method of Harmonic tidal analysis for long and short observation periods plus a volume on datums for hydrographic surveys.

點(diǎn)擊查看答案

4 A petroleum liquid has a flash point of 85°F. This is a grade （）.

點(diǎn)擊查看答案

5 A lashing used to secure two barges side by side，lashed in an "X" fashion，is called a （）.

點(diǎn)擊查看答案