Li Na used to be a Chinese professional tennis player，who was born on February 26,1982 in Wuhan，China.

When Li was 6 years old，she became a badminton player，but her coach kept noticing that she looked as if she were playing tennis.By the time she was 8，her coach asked her parents if she could switch to tennis，which she did at the age of 9.Li joined China's National Tennis Team in 1997 and turned professional in 1999.

At the end of 2002，Li left the national tennis team to study at Huazhong University of Science and Technology，where she completed her bachelor's degree in journalism.

However，Li returned to the national team in 2004.Jiang Shan married Li and became her personal coach in 2006.In 2008 Li finally quit the national team，becoming a free player.Between 1999 and 2004，Li won 20 women's singles titles.

Li Na has won her maiden(首次的) Australian Open women's singles title，defeating Slovakia's Dominika Cibulkova at Rod Laver Arena on Saturday night for her second Grand Slam title.

It was a case of third time lucky for the 31­year­old fourth seed，who lost the 2011 Melbourne Park final to Kim Clijsters and again to Victoria Azarenka in 2013.She became the first woman over 30 years of age to win the Australian Open since Margaret Court in 1973.

The famous player retired in September,2014.And in April,2015 Double Grand Slam tennis champion Li Na received the Laureus Exceptional Achievement Award in Shanghai.

1.badminton n.羽毛球

2.switch vt.转换

3.bachelor's degree学士学位

4.Grand Slam 大满贯

5.the Laureus Exceptional Achievement Award 劳伦斯特殊贡献奖

True (T) or False (F).