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           The number of foreign students attending Chinese universities ________ rising steadily since1990. 
          A．isB．a(chǎn)reC．has beenD．have been
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：進入中國大雪的外國學(xué)生的數(shù)量自從1990之后就在穩(wěn)定的增長。the number of...的數(shù)量，謂語動詞用三單。Since+時間點，用于現(xiàn)在完成時。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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