航海英語船舶強(qiáng)度資料單項(xiàng)選擇題每日一練(2019.01.25)

來源：考試資料網(wǎng)

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

2 Forty-five fathoms is marked on the anchor chain by（）.

3 Generally，what is used to inflate liferafts?（）

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

5 How are riveted lap joints made watertight?（）