航海英語(yǔ)海上救助單項(xiàng)選擇題每日一練(2019.01.10)

來(lái)源：考試資料網(wǎng)

1 In heavy seas you decide to heave to. The lifeboat should be（）.

2 In an open lifeboat，the lifeboat compass is usually（）.

3 A negative metacentric height（）.

4 For a ship not on an international voyage，an approved substitute for an impulse projected rocket-type line throwing appliance is a（）.

5 On a vessel，if someone fell overboard and you did not know over which side the person fell，you should（）.

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