Forum Moderators: phranque
However, you can get a fair idea of what will be shown if you look at the position in the page of the keywords you are targeting. The other known elements are the html <title> you use which will be shown above your result, the URL of the page, and the size.
You can also try one of the many spider simulator tools out there like this one - www.searchengineworld.com/cgi-bin/sim_spider.cgi