单项选择题

Which statement is TRUE concerning the gooseneck（）.

A.It is a sailing maneuver which brings the vessel's head through the wind
B.It connects the boom to the mast and allows the boom to swing freely
C.It is a sailing condition where there is a loss of air flow over the sails
D.None of the above

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Which cargo is considered volatile（）.

A.Bunker C
B.Turkey-red oil
C.Sweet oil
D.Iso-Propylamine

单项选择题

When oil is accidentally discharged into the water，what should you do after reporting the discharge（）.

A.Contain the oil and remove as much of it as possible from the water
B.Throw chemical agents on the water to disperse the oil
C.Throw sand on the water to sink the oil
D.Obtain your permit from the Corps of Engineers

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When general cargo with different amounts in each draft is involved，the checker must use the （）.

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D.package method