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           Paper       first invented in China .
          A．is B．a(chǎn)re C．was D．were 
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          

          解析試題分析：句意：紙是首先在中國發(fā)明的。結(jié)合常識，紙的發(fā)明是過去的事，故用一般過去時，故排除AB兩項。因為主語是paper不可數(shù)名詞，故謂語用單數(shù)形式，故選B。
          考點：考查時態(tài)和主謂一致的用法。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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