sentences:  In 2005 Cao placed fourth in the National games and later the year won gold in the East Asian Games.The next year she moved up one weight class and participated in the women's -75 kg at the 2006 World Weightlifting Championships and won the gold medal, snatching 118 kg and clean and jerking an additional 150 kg for a total of 268 kg.Later the same year, she took gold in the Asian Games, besting her year ranking mark to 120 kg in the snatch and 152 kg in the clean and jerk.