航海英語(yǔ)安全用語(yǔ)單項(xiàng)選擇題每日一練(2019.01.12)

來(lái)源：考試資料網(wǎng)

1 In battery charging rooms，ventilation should be provided（）.

2 Due to the shape of the sea anchor，the best way to haul it back aboard is by（）.

3 The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.

4 Smoking in bed on a ship is prohibited（）.

5 Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.