Videos on the social networking platform Douyin—also known globally as TikTok—that show men and women with perfect body working out,     1     (be) common.

    2     (try) to stand out from the crowd among the large number of such videos can often be difficult, but a     3     (relative) new account, which has only been active since last year, has managed     4     (do) so easily.

The fitness instructor behind this account is not a young woman     5     a thin figure that would leave viewers green with envy (羡慕). The star here is 70-year-old Chen Jifang, a Shanghai resident (居民)with 3 million     6     ( like) on her Douyin videos. She was once even featured on a     7     (real) show on China Central Television.

According to her trainer,     8     helped to manage the Douyin account, Chen attracted more than 400,000 followers within just     9     few months.

“The main group that I want to encourage is people aged 30 to 50,” says Chen. “I think they will     10     (inspire) to work out in the gym after seeing that a granny like me can. The message I want to convey is that it is never too late to pursue good health.”

The World Health Organization says there has been a sharp increase in the number of over-weight children in developing countries,     1     will be likely to become overweight adults. The condition can produce serious health problems like heart diseases. The WHO has some basic solutions for individuals and countries. The organization says you should lower your intake of fat, sugar, salt and     2    (process) food and eat more fruits, vegetables and increase physical activity. The WHO says these actions are especially important for children. More importantly, governments should consider     3    (provide) vitamins for children and educational campaigns about problems linked to obesity would also help.     4     (Reduce) the number of overweight children will not be easy. The goal is difficult to meet in countries.

Every sport has its own specific health benefits. Swimming, for example, is an excellent physical activity as nearly all muscles    1    (use) when you swim. As a result, it provides a terrific full-body workout, improving balance, muscle strength and    2    (flexible).

Sport, as well as being a physical activity,     3    (have) a mental aspect too. It can help define who you are and who you can become. Sport builds character and promotes the development of a number of qualities that are essential for a successful and fulfilling life. Included here    4    (be) three qualities worthy of a special consideration. Firstly, sport requires self-discipline, without    5    there will always be the temptation to simply give up. Secondly, sport will encourage you to maintain a positive and    6    (balance) outlook. Everyone has    7    (them) ups and downs and, therefore, a big part of life means having to deal with success and failure.    8    (engage) in competitive sport will help you understand that winning a competition does not make you superior    9    everyone else. Finally, sport will help you understand the importance of teamwork. It will show you that you often need to rely on others for your success and, similarly,    10    you also have a responsibility to contribute to the success of others.

The world of sport is a fairground of exciting opportunities where you can discover who you really are. Time. I think, to lace up your sports shoes and go play!

Exercise might seem like a chore sometimes,     1    (particular) when we get told so often that we should exercise more. But we need to get up and start moving. Many of us spend too much time     2     (stare) at screens. Most teen girls don't meet the standards for physical activity. Getting     3     (scold) about this, though, doesn't really help. And that's too bad, because exercise can be both fun and good for the body and the brain.

Exercise is not only good for your muscles,     4     good for your bones. Getting exercise     5     (help) teens build tough bodies. And teens who exercise more often grow up into adults with much     6     (strong) bones.

Exercise can increase how much oxygen and blood gets to the brain, and even how the brain is structured. Working     7     can produce chemicals in our bodies that might help prevent depression. And a workout after learning something can help us form and keep a great number of     8    (memory).

So maybe it's no surprise     9     so many scientists study exercise. There are some scientists, for instance, who study what makes winning runners so fast.     10    (other) study running lizards and astronauts in space to find out how to keep humans healthy both on and off planet Earth.