Would Google put these adverts on:
DIMES Project http://www.netdimes.org
Apple http://www.apple.com
New York Times http://www.nytimes.com
The Mike Rimmer Website http://www.mikerimmer.co.uk
Gradwell.com http://www.gradwell.com
By the way, it's very easy to cheat at this game by viewing the source of the page, as the test URL is passed to Google via an IFRAME. But the only person you're cheating is you, so there's no point unless you're incredibly sad.