active qi gong的用法和样例：
- Come again? The Current of Superstition on Qi Gong?
- Qi Gong is a healthy exercise， right?
- My grandma practices Qi Gong in the park early in the morning.
- I participated in QI Gong training class in my junior year.
- Qi Gong,Manchu,is the contemporary celebrated calligrapher who was born in Beijing in 1912.