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航海英語安全用語單項(xiàng)選擇題每日一練(2019.01.12)

來源：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.

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