How deep can a person dive underwater without any     1     (breathe) equipment? As one of the world’s top female freedivers, China’s Xu Tongtong’s answer is beyond the limit.

Freediving is gaining     2    (popular) across the world. Divers rely only on their lung capacity to plunge as far as they can-either in open water in so-called “depth” events or in the swimming pool,     3     (simple) called “pool” events.

This year, the 35-year-old Xu     4     (dive) 100 meters underwater successfully in both constant weight (CWT) and constant weight bifin (CWTB) contests, becoming only the third female freediver on the planet     5    (reach) this depth. “When I dived 100 meters and grabbed the depth tag, I knew I had done it and     6    (swim) back to the surface with a smile,” Xu joyfully recalled of her     7     (history) feat (壮举).

Hailing from East China’s Anhui province, Xu changed from swimming to freediving in 2014. “I was able to enter the three-dimensional world from a two-dimensional space. That is     8     I fell in love with freediving,” she told Xinhua in a recent exclusive interview. The biggest attraction of freediving lies     9     facing up to and overcoming our fears. The training is a process of constantly knowing oneself, said Xu. After three months of training and competing this year in Panglao, Xu decided to stay on the island to continue her training and coaching,     10     major source of income for this world-class freediver.

Born on March 14, 1997, in Columbus, Ohio, Simone Biles has been known     1     a champion in her sport. She and her sister, Adria,    2    (raise) by their grandfather Ron and grandmother Nellie, after their mother's struggle with substance abuse problem.

Ron and Nellie eventually     3     (official) adopted the two girls, and Biles calls her grandmother Nellie has been a constant source of support through Biles' rise in the world of     4     (compete) athletics.

Biles became     5     (interest) in gymnastics at age six during a day-care field trip to Bannon's Gymnastix, and she remained there for 11 years under the     6    (direct) of her coach, Aimee Boorman.

At the 2016 Olympics in Rio de Janeiro, she became the first female U. S. gymnast     7     (win) four gold medals at a single Games. She was given     8     honor of being the Team USA flag bearer during the Olympics' closing ceremony.

There were high     9     (expectation) for Biles as she entered the 2020 Tokyo Games,    10     were delayed until 2021. However, she withdrew from most events due to a medical condition.

As an athlete, Mike had been practicing hard. He preferred     1     (play) basketball rather than stay indoors in his free time. His favorite player was Jordan, who was a famous champion. Mike had a strong desire     2    (play) for his team. However, he was the shortest player in the team, so he was usually on the bench, being just a replacement,     3     was really tough on him.

Once two players crashed     4     each other during a game and one of them was badly hurt. The team quickly gathered around and the doctor put on ice pack on his knee. In that case the coach had to let Mike play, so Mike rushed onto the court. All the extra hours that he’d spent practising alone     5    (pay) off. The other team just couldn’t keep up with his energy and speed and the audience couldn’t stop clapping and     6    (cheer). At last, Mike earned his place on the team!

Mike likes many kinds of sports, such as jogging, cycling and boxing. He is in good shape, for he always keeps a     7     (balance) diet. He drinks a large amount of water every day. He also     8     (offer) some tips on sports on his blog. For example, long-distance running has a lot of benefits. It can strengthen your immune system and relieve you of some ache. It also helps you see     9     you are capable of. If you are fed up with your life, do some running! You don’t need some special     10     (equip). Do some warm­up activities before running, which will prevent you from being injured. If you keep it up, you will be amazed at your strong body some day!