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          We are now short          fresh water. Something must be done to prevent people       polluting it.
          A. of；from     B. for；from        C. of；to
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：句意:我們現(xiàn)在缺乏新鮮的水。必須做點(diǎn)什么來(lái)防止人們污染它。第一個(gè)空是一個(gè)固定的短語(yǔ)，be short of 短缺……；第二個(gè)空也是一個(gè)句型，prevent sb. from doing sth. 意為：阻止某人做某事。故選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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