_广西成考网

40. What does the passage talk about?

• A、Warfare is a"law of nature". 
  
  

• B、Warfare is not a"law of nature". 
  
  

• C、Warfare controls human population. 
  
  

• D、None of the lowlier animals, except ants, practice warfare upon their own species. 
  
  

53 .(    )

49. If a person says that he had a dream that lasted for four hours, (   ). 

• A、he is lying purposely
  
  

• B、he is trying to be funny
  
  

• C、he is honest and accurate(精确的)
  
  

• D、he is mistaken