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          It’s not easy to change habits，________ with awareness and self­control，it is possible.                                                              (2013·重慶，23)
          A．forB．or
          C．butD．so
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          解析　 考查連詞。句意為：改變習(xí)慣不容易，但是如果有了想改變的意識(shí)和自控力，(改變習(xí)慣)也是可能的。前后句之間為轉(zhuǎn)折關(guān)系，故選C項(xiàng)。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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