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          Some scientists believe that there will be more robots in       years.
          A．hundreds ofB．hundred of
          C．two hundreds ofD．two hundreds
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：句意為：一些科學(xué)家相信數(shù)百年后將會有更多的機器人。當(dāng)hundred/thousand/million等詞前有確切數(shù)字時，hundred/thousand/million等詞后應(yīng)不加“s”，且無of；當(dāng)hundred/thousand/million等詞前無確切數(shù)字時，hundred/thousand/million等詞后加“s”，且有of。根據(jù)語境可知應(yīng)選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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