User-agent: Mediapartners-Google 
Disallow:

User-agent: *
Disallow: /cgi-bin
Disallow: /wp-admin
Disallow: /wp-content/plugins
Disallow: /wp-content/cache
Disallow: /wp-content/themes
Disallow: /wp-trackback
Disallow: /wp-feed
Disallow: /wp-login.php
Disallow: /wp-register.php
Disallow: */trackback
Disallow: */feed
Disallow: /xmlrpc.php
Disallow: /page/
Disallow: /category/
Disallow: /tag/
Disallow: /?s=*
Disallow: /activation/*