2 . 阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。

Tai chi is one of the most popular forms of exercise in China, especially for the elderly. The martial art, which combines slow and fluid     1    (movement), deep breathing and meditation,     2    (practice) in China for centuries. Tai chi is a practice that supports a balance in the human body, that is Yin and Yang. In Chinese philosophy, Yin and Yang are two elements that make up the universe and everything in it and that also oppose each other. Yin and Yang always need       3    (keep) in total balance.

Chen Zhenglei, a 68-year-old Tai chi master, says that everyone in China hopes Tai chi will be recognized by the world, because it will help     4    (strong) the Tai chi inheritors’ confidence and pride so that they can dedicate     5    (they) to cultural protection.

Today, Tai chi is a daily routine for millions of people. And the ancient martial art is becoming popular     6     young people who want to relieve the stresses of modern life. They can be seen gathered in public spaces worldwide,     7    (move)gracefully in unison.

With 5,000 years of history, China has     8    (undoubted）accumulated numerous cultural relics and traditions, thirty seven of     9    are recognized by UNESCO World Heritage. One practice still awaiting recognition is Tai chi. Chen Zhenglei say that he’ll continue to lead     10    campaign to get the ancient practice on the list.