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          ____ the help of experienced career instructors, this type of job-hunting training ____ to be very efficient.
          A．By; has provedB．With; has provedC．Under; is provingD．With; is proved
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          本題主要考查固定搭配的識記及動詞的語態(tài)。根據(jù)help的搭配要求，介詞須用with，從而排除選項A、C；動詞prove表示事物的性質(zhì)時，為不及物動詞，不用被動形式，于是本題的正確答案為B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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