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				 Professor Smith and Professor Brown will       in giving the class lectures.   A. exchange  B. alter  C. shift  D. alternate  [答案]D. alternate.  [注釋]alternate vt./vi. 輪流.交替發(fā)生或出現(xiàn):Wet days alternate with fine days.The weather today will alternate between fine and cloudy.(今天的天氣將是晴間多云.)shift般動(dòng).移動(dòng),改變:1)Lend me a hand to shift the piano, will you?(請(qǐng)幫個(gè)忙搬一下這臺(tái)鋼琴.) 2)They have shifted away from this area.(他們已從這一地區(qū)遷走了.) 3)The candidate is constantly shifting his opinion about the problem.(這位競(jìng)選者在這個(gè)問題上不斷改變他的觀點(diǎn).)exchange交換,exchange... for ... 用.......換......,alter修改.			【查看更多】
			


		
     
    


		
    
		
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    Professor Smith and Professor Brown will _____ in giving the class lectures.
      
     A. exchange      B. alter      C. shift      D. alternate
    

			
    
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    Professor Smith and Professor Brown will _____ in giving the class lectures.
      
     A. exchange        B. alter            C. shift            D. alternate
    

			
    
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     Professor Smith and Professor Brown  will _____ in giving the class lectures.
            A.  exchange               B.  alter                 C. shift            D.  alternate
    

			
    
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     Professor Smith and Professor  Brown will _____ in giving the class lectures.
        
          A.  exchange               B.  alter                 C. shift            D.  alternate
        
    

			
    
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    . Professor Smith and Professor Brown will _____ in giving the class lectures.
      
     A. exchange    B. alter    C. shift    D. alternate
      
      
    

			
    
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