Answer.

9.Liu Zhenlian put forward the theory of the "ten virtues" of tea: tea is tasty; tea can maintain health; tea can drive away stinking odors; tea can prevent the attack of diseases; tea can cultivate energy in the human body; tea can relieve depression; tea can improve manners; tea can convey respect; tea can soothe the mind; and tea can uphold justice.This was not merely the personal view of Liu Zhenliang,but ideas shared by a majority of the Chinese people.

10.Cuju uses the feet to kick the ball. It might not be true that cuju was first developed in the time of  the Yellow Emperor, but historical documents record clearly that this sport was quite popular in the State of Qi during the Warring States Period.