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          The Internet is really ______ to us. We can easily find the information we need.
          A．safeB．hardC．boring D．useful
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D
          形容詞辨析。safe意為“安全的”，hard意為“難的”，boring意為“無聊的”，useful意為“有用的”。由句意“因特網(wǎng)真的對我們有用，我們可以很容易地找到我們所需要的信息”可知，只有useful符合句意。故選D。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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