49. Parents can find out what their kids will study next year by______. 

• A、doing math-related activities
  
  

• B、having a learning-filled summer
  
  

• C、reading the textbooks
  
  

• D、talking with the teachers
  
  

43. Some animal rights groups are in favor of the 200 because it can ______.

• A、attract visitors
  
  

• B、make money
  
  

• C、train animals
  
  

• D、protect animals
  
  

51.