55.

41. What do policemen say about the gun-like phone case?

• A、 It is cool for people to carry such cases.
  
  

• B、It should be widely sold online.
  
  

• C、It is not a good idea buying this kind of case.
  
  

• D、It should not be made in different colors.
  
  

46. What would be the most suitable title for the text?

• A、Zoos---Best Places for Wild Animals
  
  

• B、Is It Right to Keep Animals in Zoos?
  
  

• C、Zoos--- Places for Fun to the Public
  
  

• D、How Should Animals Be Treated in Zoos?