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          ________ all of them are strong candidates，only one will be chosen for the post.
          (2011·陜西，19)
          A．SinceB．While
          C．IfD．As
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          解析　句意為：盡管他們都是很有實力的求職者，但是只有一個人會被選中擔任這一職位。since因為，既然；while盡管；if如果；as因為。根據(jù)句意選while。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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