日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        
<legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>
        <strong id="o5kww"><u id="o5kww"></u></strong>
        

        2. 


          
	
          
		
	
          
	
          
		
          
			
		
          
		
          
	
          

          



          

          

          


          

          
	
          
	
          


			
          
				
          Over the past decades, sea ice _____ in the Arctic as a result of global warming. 

          A. had decreased 
          B. decreased
          C. has been decreasing 
          D. is decreasing 
          			
          

			
			
			
		
          



							
          
				相關(guān)習(xí)題
			
          	
						
          
			
          
				科目：高中英語
				來源：
				題型：單選題
			
          
									
          Over the past decades, sea ice _______ in the Arctic as a result of global warming.

          1. A.
            had decreased
          2. B.
            decreased
          3. C.
            has been decreasing
          4. D.
            is decreasing
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：
				題型：
			
          
									
          Over the past decades, sea ice _______ in the Arctic as a result of global warming.
            
          A. had decreased     B. decreased    C. has been decreasing     D. is decreasing
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：
				題型：
			
          
									
          Over the past decades, sea ice _____ in the Arctic as a result of global warming.
            
          A. had decreased    B. more than            C. attach               D. apply
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：
				題型：
			
          
									
            
          Over the past decades , sea ice          in the Arctic as a result of global warming .
            
          A. had decreased    B. decreased    C. has been decreasing    D. is decreasing  .
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：
				題型：
			
          
									
          Over the past decades, sea ice     in the Arctic as a result of global warming.
            
          A. had decreased  B. decreased   C. has been decreasing D. is decreasing
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：
				題型：
			
          
									
          Over the past decades, sea ice     in the Arctic as a result of global warming.
          A. had decreased  B. decreased   C. has been decreasing D. is decreasing
             
           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：2014屆甘肅省高三目標(biāo)診斷英語（二）卷（解析版）
				題型：單項填空
			
          
									
          Over the past decades, sea ice _______ in the Arctic
as a result of global warming.
          


          A. had decreased      
B. decreased
          


          C. has been decreasing     
D. is decreasing
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：2014屆黑龍江雙鴨山第一中學(xué)高三第一次月考英語卷（解析版）
				題型：單項填空
			
          
									
          Over the past decades, sea ice _______ in the Arctic
as a result of global warming.
          


          A. had decreased      
B.decreased
          


          C. has been decreasing      D.
is decreasing
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：福建省2009-2010學(xué)年高一下學(xué)期期中考試英語試題
				題型：單項填空
			
          
									
           
          


          Over the past decades, sea
ice ______in the Arctic as a result of global warming.
          


          A.
had decreased                                      B.
decreased     
          


          C.
has been decreasing                              D.
is decreasing
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
			
          
				科目：高中英語
				來源：20102011學(xué)年度遼寧省瓦房店市上學(xué)期10月考高一英語試卷
				題型：單項填空
			
          
									
          Over
the past decades, sea ice_______ in the Arctic as a result of global warming.
          


          A.
had
decreased                
B. decreased
          


          C. has been
decreasing            
D. is decreasing
          


           
          

			
          
				查看答案和解析>>
			
          
		
          
					
          
	
          
		
          


          同步練習(xí)冊答案