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          【題目】There is no doubt that climate all over the world ______ greatly in recent years.
          A. had changedB. is changing
          C. changedD. has been changing
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          【答案】D
          【解析】
          考查時態(tài)。句意：毫無疑問，最近幾年全球氣候一直在劇烈變化。本句的時間狀語in recent years通常與現(xiàn)在完成時連用，表示一段時間以來一直發(fā)生的事情，ABC三項(xiàng)都不是現(xiàn)在完成時�，F(xiàn)在完成進(jìn)行時強(qiáng)調(diào)從過去開始發(fā)生的事情一直延續(xù)到現(xiàn)在，與語境相符，故選D項(xiàng)。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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