Am 15.08.2013 um 19:30 schrieb Mingranina Gingranina <mingranina@gmail.com>:

By the way, I couldn't find "bidi-001.tex" on ConTeXt Site, would you
please let me know where can I get it?

The file is part of Hans test suite you can find on his homepage:

http://pragma-ade.com/download-1.htm
- http://pragma-ade.com/context/latest/cont-tst.7z

Wolfgang