航海英語船舶強(qiáng)度資料單項選擇題每日一練(2019.01.17)

來源：考試資料網(wǎng)

1 Guide tolerances during elevation of the jack-up rig will（）.

2 From your position you observe a rotating white and green light to the north. This light is most likely（）.

3 General information on enroute weather and climate is found in（）.

4 How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）

5 How does foam extinguish an oil fire?（）