In 【小题1】 (tradition)Chinese culture, tai chi is often related to the Chinese idea of yin and yang, the idea that one can see two sides in everything. Once 【小题2】 a time, Taoist Zhang Sanfeng saw a bird attacking a snake in the Wudang Mountains in Hubei province. 【小题3】 snake's defense inspired him 【小题4】 (create)a set of 72 movements, which used softness and power from inside to defeat violent force.

For those 【小题5】 do it, tai chi can be practiced anytime and anywhere without equipment or a gymnasium. And learning to do it 【小题6】 (correct)gives us a practical way to achieve such things as balance, motor control and rhythm(节奏)of movement. So it 【小题7】 (believe)that practicing tai chi can in some way help us stand, walk, move and run better.

Tai chi's benefits certainly go beyond physical ones. For Marleni Calcina from Peru, who 【小题8】 (do)tai chi for over 10 years, it's not only a sport, but also a way of life. And 【小题9】 is tai chi that has helped her understand the value of "going slowly". Now, practicing tai chi is like 【小题10】 (speak)with her soul.

Teenagers sometimes turn to extreme methods to slim down quickly in a society where being thin is often seen 【小题1】 being beautiful. According to a recent survey of senior high school students’ lifestyles, almost one fifth of teenagers 【小题2】 (regular) skip meals, one in ten over-exercise and four per cent even take weight-loss medicine. Experts are concerned about 【小题3】 (them) health. They are increasing their efforts to educate teenagers about the side 【小题4】 (effect) of losing weight too quickly. They have also warned them   【小题5】   using such extreme methods, which are harmful.

It is normal for teenagers to be slightly overweight and there is no reason 【小题6】   they should be worried. However, for those who are dangerously overweight, it is very important that they try to lose weight properly.

Therefore, it is important to have a healthy 【小题7】 (balance) diet since teenagers are still growing and their bodies need a lot of nutrition   【小题8】 (function) well. What’s more, they should keep regular hours and get plenty of exercise to stay 【小题9】 (energy) and fit. We strongly encourage teenagers to follow these lifestyle tips, because living well is the 【小题10】 (safe) and most effective way to get into shape.

Hip-pop dancing is popular with many young people today.They like it【小题1】they can invent their own moves.They use this dance【小题2】(show) their love for life.It also shows that they feel good about life,that they just want to be【小题3】(they) and enjoy life,and that they are not afraid of problems.

Hip-hop dancing has a history of more than 30 years.It first began in the 1980s in the US.In early times,it【小题4】 (see) in New York and Los Angeles.At that time,many young black people often danced【小题5】music in the streets. They used their legs,arms,heads and even【小题6】(shoulder) to dance.Many young people still use most of these moves today.

Hip-pop dancing【小题7】(become) popular all over the world because of the 1983 movie Flash Dance.Some people performed Hip-hop dancing in【小题8】movie.People enjoyed their performances.They began to dance like them.【小题9】 (gradual),it became popular.There are two kinds of Hip-pop dancing: the new school and the old school.More and more young people are learning Hip-pop dancing.People believe that【小题10】is a good way to exercise their bodies,and that it is good for their health.