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				-How much does a short?wave radio cost?  -Sorry,I’m not sure.I’ll       and tell you tomorrow.  A.find    B.know    C.understand    D.find out  解析:作“發(fā)現(xiàn) 解find out=to learn of;discover a fact that was hidden by study,calculation,inquiry,etc.通過研究.計(jì)算.詢問來“獲知.得知.探知 隱蔽起來的事實(shí).而find=get or discover(sb./sth.,not lost,forgotten,etc.) after search,experience,effort通過搜尋.體驗(yàn).努力“找到.發(fā)現(xiàn) 某人或某物.  答案:D			【查看更多】
			


		
           
          


		
          
		
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          —How much does a short?wave radio cost?
            
          —Sorry,I’m not sure.I’ll______ and tell you tomorrow.
            
          A.find　　　　　 B.know　　　　　  C.understand　　　　 D.find out
              
           
          

			
          
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