_福建成考网

The underlined word“it’’in the third paragraph refers to .

• A、the leaf
  

• B、the stalk  
  

• C、the stem 
  

• D、the Plant
  
  

The main idea of this passage is that．

• A、many animals die during hibernation
  
• B、hibernation protects animals during the wintertime
  
• C、scientists feel puzz1ed about hibernation
  
• D、some bats hibenlate and others do not

  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。