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. 


          
	
          
		
	
          
	
          
		
          
			
		
          
		
          
	
          

          



          

          

          


          


          
	
          
			
          

			
          
				
          Tourism, _______ it brings in money to a country, can also result in damage to the World 
          Heritage sites there.         
          A．once B．whileC．ifD．a(chǎn)s
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B

          試題分析：A. once一旦，B. while雖然，當(dāng)…時(shí)候，然而，C. if如果，D. as正如，句意：--旅游業(yè)雖然給一個(gè)國家?guī)硎找妫矔?huì)給這里的世界遺產(chǎn)帶來破壞。所以選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
				練習(xí)冊(cè)系列答案
		
          
		
				
			

					
          
				相關(guān)習(xí)題
			
          
						
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          It’s hard to imagine_____it would be like living on Mars.
          A．thatB．howC．whereD．what
          

			
          

			
          
			查看答案和解析>>		
          
				
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          (2013·高考重慶卷)It’s not easy to change habits，________with awareness and self­control，it is possible.
          A．forB．or
          C．butD．so
          

			
          

			
          
			查看答案和解析>>		
          
				
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          —Where's that report?
          —I brought it to you ________ you were in Mr.Black's office yesterday.
          A．ifB．whenC．becauseD．before
          

			
          

			
          
			查看答案和解析>>		
          
				
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          ---- How long was it ______ you finally reached your goal of becoming a doctor?
          ---- Five years.
          A．beforeB．sinceC．whenD．until
          

			
          

			
          
			查看答案和解析>>		
          
				
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          ________they visited the Science Museum，they showed great interest in everything they saw.
          A．The first timeB．For the first timeC．At firstD．At the first time
          

			
          

			
          
			查看答案和解析>>		
          
				
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          In some countries such as France or Italy, it’s common to exchange a kiss when shaking hands, ______ in China, it’s not acceptable.
          A．whileB．whenC．ifD．because
          

			
          

			
          
			查看答案和解析>>		
          
				
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          —People often don't appreciate what they have, do they?
           —No, _________ they lose it.
          A．ifB．a(chǎn)fterC．untilD．when
          

			
          

			
          
			查看答案和解析>>		
          
				
		
          
			
          
				科目：高中英語
				來源：不詳
				題型：單選題
			
          

						
          A bit more effort, I think, ____ the problem could be settled.
          A．a(chǎn)ndB．soC．orD．but
          

			
          

			
          
			查看答案和解析>>		
          
			
          
	
          
		
          


          同步練習(xí)冊(cè)答案