s=s.delete(5,12);如果s="abcdefghigklmn",则执行删除语句后，s的值为（）

编写程序，计算S=（a+b）—2*（a AND b）

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Britain.s leading customers and suppliers are France,Germany and（）

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编程序完成计算S=(A+B)/2-2(A AND B)。

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（）are for radiators and pipes and for the ship’s funnel.

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Whose duty is it to examine and verify the vessel’s classification and technical state and condition?（）.

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（）(耐热漆) are for radiators and pipes and for the ship’s funnel.

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The forecastle and the poop decks are a ship’s face and back.（）

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The forecastle and the poop decks are a ship’s face and back.（）

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补视图

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