The Yin-yang diagram is an illustration of t’ai chi. Yin and yang are not     1     (complete) opposite, one of which can turn into the other. Chinese people boil down the laws of the universe, nature and the human body to this:Yin and yang are in a circle; man and nature exist in unity.     2     (base) on such philosophical ideas,     3     (tradition) knowledge and sports practice about physical and mental cultivation have been formed and passed down from generation     4     generation. Thus t’ai chi ch’uan came into being.

Chinese people believe that movement is contained in stillness and fastness is contained in slowness. T’ai chi ch’uan     5     (contain) these two kinds of energy. Do you think the most important characteristic of t’ai chi ch’uan is     6     (soft)? No. The fighting principle of it is to mobilize the internal energy flow of the human body,     7     has both speed and explosive power.

The greatest uses of t’ai chi ch’uan are for people     8     (experience) life, the true principles of movement and stillness in nature, and to maintain harmony with nature in mind and body. So far, it     9     (prove) by medical research that t’ai chi ch’uan is     10     ideal therapy against a number of chronic diseases. It can not only promote physical health, but also help ease your mind and delight your spirits.