航海英語救助作業(yè)用語單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 In a river subject to tidal currents，the best time to dock a ship without the assistance of tugs is（）.

2 Marline is（）.

3 The hoist line primarily used for lifting personnel on ship cranes is called the（）.

4 In case of your steering gear failed，（）should be exhibited in shapes or lights.

5 When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring，his first step is to（）.