Addition to Rio DE janeiro August 7 (reporter Song Fangcan) after the first since the Sydney Olympics gold after the first day, the Chinese athletes to Rio DE janeiro Olympic Games, guo wen jun and Zhang Mengxue fight together, to participate in the women's 10 m air pistol qualifier. Guo wen jun has been in Beijing and London two successive win the Olympic champion of the Olympic Games, if she can continue to make a breakthrough on the project, will become the only three consecutive even the project...