单项选择题

A major health hazard of the product tert-butylamine is that it（）.

A.can be absorbed through the skin
B.causes irreversible damage to eye tissue
C.is a very unstable product
D.All of the above

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A crew member suffering from hypothermia should be given（）.

A.a small dose of alcohol
B.treatment for shock
C.a large meal
D.a brisk rub down

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You are on a 165-foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE? （）

A.You should stop to windward of the man and drift down on him
B.You should stop with the man on your weather beam and twist the ship up to him
C.A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the man
D.Ship pick up should never be used with a shallow draft vessel

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Where there are multiple accident victims，which type of injury should be the first to receive emergency treatment?（）

A.Severe shock
B.Eye injuries
C.Burns
D.Major multiple fractures