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單項選擇題

A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person（）.

A.at a high rate of speed
B.under oars
C.against the wind
D.with the wind

單項選擇題

A sufficient amount of chain must be veered when anchoring a vessel to ensure（）.

A.the vessel has enough room to swing while at anchor
B.the anchor flukes bite into the ocean bottom
C.there is a sufficient scope of chain to keep the anchor on the bottom
D.there is more chain out than there is in the chain locker

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A swift current occurring in a narrow passage connecting two large bodies of water，which is produced by the continuously changing difference in height of tide at the two ends of the passage，is called a（）.

你可能感興趣的試題

A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person（）.

A sufficient amount of chain must be veered when anchoring a vessel to ensure（）.

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A swift current occurring in a narrow passage connecting two large bodies of water，which is produced by the continuously changing difference in height of tide at the two ends of the passage，is called a（）.