_菏泽成人高考

49. "Feel out of sorts", as it is used in the second paragraph, could best be replaced by (   ).

• A、put things in order
  
  

• B、are in a bad mood
  
  

• C、search for tranquilizers
  
  

• D、want a mood-raiser
  
  

52. (    )

42. The Polar Bears like to swim all the year round, for (   ). 

• A、they can remain young
  
  

• B、it is an easy way to keep the body warm in winter
  
  

• C、they find it enjoyable and interesting
  
  

• D、they might meet fewer troubles in life