航海英語(yǔ)航海出版物單項(xiàng)選擇題每日一練(2019.01.13)

來(lái)源：考試資料網(wǎng)

1 A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a （）.

2 After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.

3 A list man would expect to see any of the following light signals except （）.

4 The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.

5 （）offers a detailed description of tidal theory and its application to the analysis and prediction of tides and tidal streams.