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          The mobile phone has influenced people’s life a lot since it      .
          A．inventsB．inventedC．is inventedD．was invented
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D
          句意：自從它被發(fā)明以來，手機已經(jīng)影響了我們的生活很多。結合語境可知下文時間狀語從句中描述的是過去發(fā)生的動作，故用一般過去時態(tài)。從句主語it是動作對象，故用被動語態(tài)。選D。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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