https://www.ielts.org/about-the-test/test-format-in-detail This site gives details about the Reading test and task types.

https://www.ielts.org/about-the-test/sample-test-questions This site gives you sample Reading test questions and practice, and a sample IELTS Reading answer sheet.

http://takeielts.britishcouncil.org/prepare-test/understand-test-format/reading-test More information can be found about the Reading test here as well as links to practice tests

Newspapers are excellent sources of text. Try any of the following:
www.independent.co.uk
www.guardian.co.uk
www.scmp.com

Journals and magazines are equally good and may include more specialized or academic vocabulary. Try something in your subject field, something you enjoy, or try one of these:
www.nationalgeographic.com
www.actionasia.com
www.economist.com

This site gives BBC news coverage: you can listen or read (or both!).

http://www.bbc.co.uk/worldservice/

The link below uses BBC material to help you improve your English.
http://www.bbc.co.uk/worldservice/learningenglish/