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          China ______ the WTO for more than 10 years, and it has brought great changes to it.
          A．has joinedB．has been inC．has become a member ofD．has joined in
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          此題重點考查延續(xù)性動詞的用法，因時間狀語是段時間，故謂語動詞要用延續(xù)性動詞。join是非延續(xù)行動詞，不能和段時間狀語連用。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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