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          (2013·吉林長春三校高三調(diào)研)It is important to introduce children to healthy nutritious foods from ________ they begin to eat solids.
          A．whatB．when
          C．thatD．which
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          B　考查名詞性從句。句意：從孩子可以吃固體食物開始就引導(dǎo)他們食用健康營養(yǎng)的食物是很重要的。when在此引導(dǎo)賓語從句，作介詞from的賓語，且在從句中作時間狀語。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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