24.(  )

• A、 firm 
  
  

• B、positive
  
  

• C、definite
  
  

• D、absolute
  
  

What measure is being taken by the UK to cut back on the use of plastics?

• A、Forbidding the import of plastic bags.
  
  

• B、Banning the manufacture of plastic bags.
  
  

• C、Taxing on the use of plastic bags.
  
  

• D、Developing alternative materials to plastic.
  
  

56.(  )