_福建成考网

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
  
  

32. (      )

• A、seat
  
  

• B、seating
  
  

• C、sitting
  
  

• D、sit
  
  

53. (    )