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          【題目】Life doesn’t count for much _____ you’re willing to do your small part to leave our children a better world.
          A. unless B. when
          C. though D. if
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          【答案】A
          【解析】
          考查狀語(yǔ)從句連詞。A. unless除非，如果…不…；B. when當(dāng)…時(shí)；C. though盡管；D. if如果；句意：如果你不愿意付出你的努力給孩子們留下一個(gè)更加美好的世界，生活就沒有意義。根據(jù)句意可知本句應(yīng)該使用連詞unless引導(dǎo)條件狀語(yǔ)從句。故A正確。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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