_江西成考网

40. The main idea of this passage is (   ).

• A、warfare is a "law of nature"
  
  

• B、warfare is not a "law of nature"
  
  

• C、warfare does not control human population
  
  

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

43. The author of this passage seems to be (   ) the"law of nature". 

• A、against
  
  

• B、in favor of
  
  

• C、uncertain of
  
  

• D、very much interested in
  
  

52 .(    ).