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          The purpose of new inventions is _______ life more difficult, but to make it easier.
          A．not makeB．not making
          C．not to makeD．do not make
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：新發(fā)明的目的不是使生活更加困難，而是使其更加容易。本題用to do不定式做目的狀語,否定形式在不定式前面加not。故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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