Dear Rusers,
  When i start R, there always the following work to do first, how should i
cancel it?
*--- Please select a CRAN mirror for use in this session ---*
  I don't know why it does so, maybe i have done something unintentionally.
  Thanks.

-- 
With Kind Regards,

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Zhi Jie,Zhang ,PHD
Tel:86-21-54237149
Dept. of Epidemiology,School of Public Health,Fudan University
Address:No. 138 Yi Xue Yuan Road,Shanghai,China
Postcode:200032
Email:epistat@gmail.com
Website: www.statABC.com
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