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				 With sufficient scientific information a manned trip to Mars should be      .  A. obtainable B. potential C. considerable D. feasible  [答案]D. feasible.  [注釋]feasible可行的.可做到的:1)Your plan sounds quite feasible.(你的計(jì)劃聽(tīng)起來(lái)很可行.) 2)It's not feasible to make the trip in one day.(一天內(nèi)要進(jìn)行這次旅行是做不到的.)obtainable可得到的,considerable相當(dāng)?shù)?可觀的,potential潛在的.可能的.			【查看更多】
			


		
           
          


		
          
		
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            With sufficient scientific information a manned trip to Mars should be _____.
            
          A. obtainable B. potential C. considerable D. feasible
          

			
          
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          With sufficient scientific information a manned trip to Mars should be _____.
            
           A. obtainable    B. potential    C. considerable     D. feasible
          

			
          
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          With sufficient scientific information a manned trip to Mars should be _____.
            
           A. obtainable       B. potential       C. considerable D. feasible
          

			
          
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           With sufficient  scientific information a manned trip to Mars should be ________ 
            A. obtainable       B.  potential       C. considerable D. feasible
          

			
          
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           With sufficient scientific  information a manned trip to Mars should be ________
              
          A.  obtainable       B.  potential       C. considerable D. feasible
              
          

			
          
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