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				 It is well known that knowledge is      treasure house, but practice is     key to it.  A. a; the     B. the; the    C. a; x       D. x; the			【查看更多】
			


		
           
          


		
          
		
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          It is well known that knowledge is ____
treasure house, but practice is ___ key to it.
          


          A. a; the   B. the; the        C.
a; x                D.
x; the
          


           
          

			
          
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          It is well known that knowledge is ____ treasure house, but practice is ___ key to it.

          1. A.
            a; the
          2. B.
            the; the
          3. C.
            a; x
          4. D.
            x; the
          

			
          
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          It is well known that knowledge is ____ treasure house, but practice is ____key to it.
          

          [     ]
          A. a; the
          B. the; the      
          C. a; x 
          D. x; the
          

			
          
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           It is well known that knowledge is ____ treasure house, but practice is ___ key to it.
            
          A. a; the  B. the; the      C. a; x            D. x; the
          

			
          
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           It is well  known that knowledge is ____ treasure house, but practice is ____key to it.
              
          A. a; the                       B.  the; the               C.  a; x                 D.  x; the
              
          

			
          
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