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          Some people fear that ________ air pollution may bring about changes in _______ weather around the world. 
            
          A. /; the                 B. the; /                C. an; the                D. the; a  
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A 
             
          解析:
               
           Air pollution 是抽象名詞這里是泛指，weather 這里是特指全球的氣候，根據(jù)the weather around the world 可知。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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