52. (    )

3. (   )

• A、gather
  
  

• B、gentle
  
  

• C、goat
  
  

• D、gold
  
  

47. What is the main subject of the passage?

• A、How to beat a bad mood. 
  
  

• B、How to talk bad moods out. 
  
  

• C、How to do physical exercises. 
  
  

• D、How to do aerobic exercise.