【推荐1】Exercise is one of the most important    1    (part) of keeping your body at a healthy weight. We also know that staying fit and healthy is very vital. Exercise can help prevent weight gain. If you can’t afford to pay the gym     2    visit every day, don’t worry—just become active throughout the day.

When you exercise    3    (regular), you are in better chances of     4    (improve)your mood (心情). It can also increase your confidence. Besides, it will better your appearance,     5    means your body will be in good shape. Regular exercise is also good    6    physical fitness and good health. Apart from weight control, exercise can also delay your aging process.

    7    you don’t exercise, your muscles will become very weak. Also, your heart and lungs might not function as well and you are more likely to get     8    (injure). Inactivity is as much of a health risk as smoking.

Make sure that an exercise plan     9     (make), so you can know when and what you should do. However, don’t over-exercise yourself because doing too much exercise on a daily basis will have    10    (harm) results.

Tai Chi is     1     centuries-old Chinese martial art and an internationally popular form of exercise. It is a series of postures (姿势) and motions that develops one’s     2     (strong) and flexibility through careful, flowing movements and focused breathing. Each posture slowly transforms into another, and we gradually need to shift our weight in an attempt to improve our ability     3     (maintain) balance. At the end, we return to the starting position. In other words, all of the movements are connected in an     4     (end), continuous flow.

Over the centuries, the practice of Tai Chi     5     (root) in traditional Chinese philosophy, particularly the ancient concept of yin-yang. The Tai Chi symbol, or Taijitu, shows yin and yang together: yin symbolizes the dark, female force in nature,     6     yang represents the bright, male force. Yin cannot exist     7     yang, and yang cannot exist if there is no yin. Tai Chi,     8     aim is to achieve balance between opposites in life, pays careful attention to elements such as yin and yang; soft and hard; mind and body, and so on. At the heart of Tai Chi is the concept of qi.     9     is generally translated as “vital energy”. The different exercises help move the qi through your body,     10     (produce) positive effects on one’s mental and spiritual health.