航海英語船舶救生設(shè)備名稱單項選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 The helicopter deck of a ship must be marked with the units identification，appropriate aiming circles，and a continuous line on the perimeter which is（）.

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2 A safety shackle is identified by its（）.

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3 An oxygen indicator can be used to determine if there is（）.

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4 After splicing an eye in a piece of wire rope，the splice should be parceled and served to（）.

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5 A stay is（）.

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