航海英語(yǔ)探火與消防設(shè)備單項(xiàng)選擇題每日一練(2019.01.14)

來源：考試資料網(wǎng)

1 A large oil fire on the deck of a ship can be fought most effectively with（）.

2 An effective method for moving patients with spinal injuries onto a spine board is known as the（）.

3 A ship must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement，you may use（）.

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4 An extinguishing agent which effectively cools，dilutes combustible vapors，removes oxygen，and provides a heat and smoke screen is（）.

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5 A spanner is a（）.

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