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          You will achieve nothing        you work hard.
          A．ifB．unlessC．whenD．that
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B

          試題分析：句意：你將一事無成，除非你努力工作。.if如果；unless除非；when當(dāng)……的時(shí)候；.that那。根據(jù)前后句意可知該選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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