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單項選擇題

（）any sick person on board now apart from the above-mentioned cases?

A.Have
B.Has
C.Is there
D.Are there

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單項選擇題

（）any person died on board during the voyage otherwise than as a result of accident?

A.Have
B.Has
C.Has there been
D.Are there

單項選擇題

（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．

A.If
B.Shall
C.Should
D.Whether

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