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				 Paper-making is            of ancient China.    A. one of greatest inventor    B. one of the greatest inventors    C. one of greatest invention    D. one of the greatest inventions			【查看更多】
			


		
           
          


		
          
		
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          Paper-making is __________ of ancient China.
            
          A. one of greatest inventor             B. one of the greatest inventors
            
          C. one of greatest invention            D. one of the greatest inventions
          

			
          
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          Paper-making is ________ of ancient China．
          

          

          [　　]
          

          A．one of greatest inventor
          

          

          B．one of the greatest inventors
          

          

          C．one of greatest invention
          

          

          D．one of the greatest inventions
          

          

          

			
          
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