User-agent: Googlebot 
crawl-delay: 10
Allow: /
Disallow:/*?

User-agent: Yahoo! Slurp
Disallow: /

User-agent: Slurp
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Baiduspider+
Disallow: /

User-agent: BaiduImagespider
Disallow: /

User-agent: Googlebot-Mobile
Disallow: /

User-agent: Googlebot-Image
Disallow: /

User-agent: Yahoo-MMCrawler
Disallow: /

User-agent: psbot
Disallow: /