[Orgmode] short way to insert source tag in org mode?

[Water Lin]

While I am using org to publish my source code, I include my code in
following way:

#+BEGIN_SRC emacs-lisp
some emacs-lisp code
#+END_SRC

Everytime I copy the begin and the end tag which is

#+BEGIN_SRC emacs-lisp

and

#+END_SRC

to my org file.

I want to find a way to inset them handly. Is there a key binding for
this?

Thanks
-- 
Water Lin's blog: http://blog.waterlin.org
Email: address@hidden
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