Today, the most popular martial arts in the world are from Asia. Many martial arts     1     (invent) because people needed to defend themselves or protect others. Nowadays, people learn martial arts as a way of     2     (keep) fit or as a competitive sport, but they are still very useful for self­defence.

Some martial arts are called hard     3     others are called soft. Soft martial arts, such as tai chi, teach you to use your opponent’s own force to defend     4     (you). These martial arts are soft for the defender but not for the attacker! On the other hand, hard styles, such as kung fu, teach you to defend yourself using force. Hard martial arts techniques are     5     (effect) if you are more skillful, more powerful and faster than your opponent.

Did you know that Japan’s karate is     6     (relate) to Chinese kung fu? In the 14^th century, when the Chinese migrants from Fujian     7     (settle) in what was then the kingdom of Okinawa, the local youths started learning kung fu from them.

In fact, Chinese influence in martial arts was not limited     8     kung fu. During the Japanese invasion of Korea in the 16^th century, the Korean army adopted a training method from a chinese military manual     9     (call) Ji Xiao Xin Shu, whose author was the Chinese general Qi Jiguang,     10     had himself defeated Japanese pirates.

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     2     (be) very vital. Exercise can help prevent weight gain. If you can’t afford to pay the gym a 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 very 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 what you should do and when to do it. However, don’t over-exercise yourself because doing too much exercise on a daily basis will have     10     (harm) results.