51. (     ) 

39. This selection was probably written to (   ). 

• A、show how lazy cats are
  
  

• B、talk about the habits of cats
  
  

• C、tell about famous people and their habits
  
  

• D、persuade people to take naps
  
  

一、語音知識: 共5小題; 每題2, 共10分。在下列每組單詞中, 有一個單詞的加粗部分與其他單詞的加粗部分的讀音不同。找出這個詞。

1. (   )

• A、happy
  
  

• B、baby
  
  

• C、date
  
  

• D、fable