_深圳成考网

What is true about words?

• A、They are used to express feelings only．

• B、They can not be written down．
  

• C、They are represented either by sounds or letters．
  

• D、They are visual letters．
  
  

  你是刘玲(Liu Ling)，写一封给晓东(Xiao Dong)的道歉信，讲明道歉的原因、解决问题的办法，以弥补因晓东来拜访而自己不在家给他带来的沮丧。

The underlined word”hibernation”in paragraph l means．

• A、a sleep to avoid eating
  
• B、a temperature in cold weather
  
• C、a sleep in the cold season 
  
• D、an animal to practice sleep in winter