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一份重要文件不小放入碎纸机里被切成了若干块状碎片,请你用数学建模方法给出复原的方法及策略。 (可用PPT宣讲!)
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【单选题】. Han Han wrote several novels, almost all of them_______by teenagers.
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appreciated
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are appreciated
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were appreciated
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【单选题】Han Han's books are popular. They __________ by many teenagers.
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is read
B.
is invites
C.
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【单选题】导游员小张在带团过程中强迫旅游者进购物店购物1次,则旅行社应当按照旅游费用总额的( )向旅游者支付违约金?
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【单选题】导游员小张在带团过程中强迫旅游者进购物店购物1次,则旅行社应当按照旅游费用总额的( )向旅游者支付违约金?
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5%
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【单选题】–-Do you know about Han Han? --Yes, he ______ a playful student when he was in secondary school, but now he is one of the most popular writers in China.
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【单选题】— Is there anything I can do for you? — I'm looking for a book, ____ written by Han Han. [     ]
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【单选题】导游员小张在带团过程中强迫旅游者进购物店购物1次,则旅行社应当按照旅游费用总额的( )向旅游者支付违约金?
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