30. (       )

• A、times
  
  

• B、affairs
  
  

• C、satisfaction
  
  

• D、achievements
  
  

50. Where can a visitor enjoy a good but not too expensive meal?

• A、The Silver Palace Restaurant. 
  
  

• B、Any restaurant in Old Sacramento. 
  
  

• C、Old Sacramento State Historic Park. 
  
  

• D、The California State Railroad Museum. 
  
  

53. (      )