Submitting one article all over is not good and many websites already check that the content you submitted is already published on other websites or not.
If you want to rank high in google after its recent algo. updates, you have to post unique article on every high pr article websites.
If you want plenty of articles, just outsource it to websites like iwriter.com Submitting the same content isn't advised at all. It will mess up your rankings, as well as get you disapproved in many of the article directories.