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          Science has given clear evidence ______ smoking can lead to many diseases.
          A．whatB．whichC．thatD．where
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析:考查同位語從句。分析句子可知evidence后面從句是解釋說明evidence內(nèi)容的同位語從句，從句結(jié)構(gòu)完整不缺少成分，所以用that引導(dǎo)。正確答案選C。句意：科學(xué)已經(jīng)給出明確的證據(jù)，吸煙能夠?qū)е潞芏喾N疾病。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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