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          New technology _____ to make sure the cars, taxis, buses and trains we use _____ the air. 

          A. is used; not to pollute 
          B. has used; is not polluted
          C. is being used; do not pollute
          D. has been used; not pollute 
          			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
				C				
          
			
          
			
          
				
          
			
          
			
          
				
          
			
          
			
          
				
          
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				科目：高中英語(yǔ)
				來(lái)源：0103    月考題
				題型：單選題
			
          
									
          New technology _____ to make sure the cars, taxis, buses and trains we use _____ the air. 
          

          [     ]
          A. is used; not to pollute 
          B. has used; is not polluted
          C. is being used; do not pollute
          D. has been used; not pollute 
          

			
          
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				科目：高中英語(yǔ)
				來(lái)源：
				題型：單選題
			
          
									
          New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.

          1. A.
            is used; not to pollute
          2. B.
            has used; is not polluted
          3. C.
            is being used; do not pollute
          4. D.
            has been used; to pollute
          

			
          
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				科目：高中英語(yǔ)
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          New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
            
          A. is used; not to pollute       B. has used; is not polluted
            
          C. is being used; do not pollute     D. has been used; to pollute
          

			
          
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				科目：高中英語(yǔ)
				來(lái)源：
				題型：
			
          
									
           . New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
            
          A. is used; not to pollute       B. has used; is not polluted
            
          C. is being used; do not pollute     D. has been used; to pollute
          

			
          
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				科目：高中英語(yǔ)
				來(lái)源：
				題型：
			
          
									
          New technology ____ to make sure that the cars, taxis, buses and trains we use ____ the air.
            
           
            
          A. is used ; not to pollute B. has used ; is mot polluted 
            
          C. is being used ; do not pollute　 D. has been used ; to pollute
            
           
              
           
          

			
          
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				科目：高中英語(yǔ)
				來(lái)源：
				題型：
			
          
									
          New technology ____ to make sure that the cars, taxis, buses and trains we use _____ the air.
            
          A．is used; not pollute                                      B．has used; is not polluted
            
          C．is being used; do not pollute                         D．has been used; to pollute
          

			
          
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