You can control what to retrieve from an Adobe Illustrator file.
By setting File > Import > File  
  Illustrator options, you
         can enable Alias to import the geometry as a Group of
         curves or as individual curves. You can also Scale the
         image before importing it into Alias.
      
When saving an Illustrator file choose File > Print Setup  
 , set Output to File
               and set the Output Style to
         Illustrator. The output results transfer the paint and shapes information.
         The results of opening this file in Illustrator is a display of
         three objects: