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41. What is the main problem for Sweden to build a zero-waste society?

• A、The younger generation does not like used gods.
  
  

• B、 Rubbish is often thrown on the ground.
  
  

• C、Many used goods are difficult to handle.
  
  

• D、The older generation is not used to recycling.
  
  

42. Which of the following is true about Sweden' s recycling revolution?

• A、The government encourages people to store used goods. 
  
  

• B、Scientists are funded in inventing new clothing materials.
  
  

• C、The kids must put the cartons into the recycling station.
  
  

• D、People may buy new clothes cheaper after returning old ones.