航海英語各種英文申請書單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 A hand held instrument used to measure distances between objects and the ship is a（）.

2 （）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．

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3 A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it is （）.

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4 （）during the voyage any case or suspected case of plague，cholera，yellow fever，smallpox，typhus or relapsing fever?

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5 A fire pump may be used for other purposes if（）.

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