本讲为2007年上半年新的教学内容，请对照教材和练习册听录音！
  pursuit
  In pursuit of
  He is pursuing the scientific research.  (science, scientist)
  He is in pursuit of the ….
  Have effect/impact/influence on
  Economic
  Economical
   
  We were deeply stirred/moved/affected by the beauties of the nature.
   
  Constitute
  Three experts constituted the group.
  provide
   
  We should save up /set aside money to make provision/preparation for the future.
   
  Represent
   
  This place/area/district is rich/abundant in natural resources.