According to a new review of research about good mood(心情）and physical activity,people who exercise even once a week or for as little as 10 minutes a day tends to be more cheerful than those who never exercise.And any type of exercise may be     1     （help).

The idea       2    moving can affect our mood is not new.A number of past studies have noted that       3    （physical)active people have much       4    （low)risks of developing depression and anxiety.But fewer past studies explored links between physical activity and positive feelings,especially in people who already were psychologically healthy.

So for the new review     5    （publish)in the Journal of Happiness Studies,researchers at the University of Michigan decided to collect and     6    （analysis)multiple past studies on 99 exercising and happiness. They     7    (begin)by searching through research databases for relevant studies.And for most of them,the Michigan researchers found exercise was strongly linked to happiness.The type of exercise did not seem     8    （matter).Some happy people walked or jogged.     9     practiced yoga-style movements and stretching.And       10    amount of exercise needed to influence happiness was slight.But more movement generally contributed to greater happiness.

2 . Running a few kilometers each day is good for our health. However, new research says running too much could be bad for us. Running long distances     1     (regular) for many years could make our life     2     (short), not longer. The study is from the Minneapolis Heart Institute. A researcher said too much running can created plague (斑) inside your heart,     3     can lead to heart disease. He wrote that running too much for many years takes away the good things from exercise. He     4     (add) that the risk of heart disease could be     5     same as someone who never exercised.

Researchers looked     6     the health and training of 3,300 runners over the age of 35. 70% of them ran over 30 kilometers a week. Men who ran marathons for 25 years had 62% more plaque in their heart than men who did little     7     no exercise. Another doctor said he felt cheated. He started running marathons in 1967. He used     8     (run) 60 kilometers every week. He said, “I thought I was out there exhausting     9     (me), building an absolutely strong heart.” The doctor advised     10     (exercise) frequently but not to overdo things.

A soldier from the war of Vilna who ran the New York Marathon     1     memory of three men he served alongside, crawled (爬行) across the finish line as his body almost gave up- but his mind didn't.

In 2010, Mike's three friends, Mark Juarez, Matthew Ballard and Rupert Hamer,     2     (kill)in a bombing attack. He was     3     (fortune) to be alive and active. After returning home, he decided to run the New York Marathon for his late friends and draw     4     (attend) to veterans' (老兵的) situations.

Close to the end, his legs gave way and he fell down in great pain, but he wasn't going to let it stop him. He used his arms     5     (drag) his body towards the finish line.     6     (eventual) he regained enough feeling in his legs and began to crawl. With the crowd     7     (cheer), Mike crossed the finish line on his hands and knees.

During the race, Mike repeated his friends' names, even though it causer curious looks from other competitors.

Mike said their names gave him     8     (strong).He also fixed their names,     9     were on three golden plates, to his shoelaces. As for the pain he experienced,.” he said, “    10     I was going through is nothing compared the pain that my friends went through

A world champion has retired because he has decided humans cannot beat       1         (computer) at his game.

The grand champion is Lee Se-Dol from South Korea,     2       was a world champion at the ancient, strategy board game Go. Some people compare Go to chess. Mr. Lee is    3    only person in the world to ever beat Google’s AlphaCo which is a special AI computer program    4     (create) by Google to play Go. Mr. Lee, an 18-time world champion, said, “With the first appearance of Al in Go games, I’ve realized that I’m not at the top even if I become the number one.”

The game Go came in China around 3,000 years ago. Today, it is played    5    (main) in China, Japan and South Korea. It is believed to be the       6     (old) board game in the world. Mr. Lee started playing     7     the age of five. He     8     (turn) professional seven years later, when he was 12. He played five games against Google’s AlphaCo and lost four of them. He said his one victory was because of a “bug” in the program. The bug did not know what     9    (do) when Mr. Lee made a “tricky” move. Today’s Go programs are much more     10     (power) than the one that beat Mr. Lee.

You’ve probably seen the term extreme sports in magazines, heard about it on the evening news, and seen it     1     (advertise) in sporting goods stores. So, what exactly are extreme sports?

During the 1970s and 1980s, the term “extreme sports”     2     (use) for sports that were often dangerous and could result in injury or even death. Today, however, extreme sports also include     3     (activity) that give a feeling of adventure without     4     (necessary) putting your life in danger. For every extreme sport there is professional equipment that has been   developed     5     (protect) your body and improve your performance.

Extreme sports cover a wide     6     (vary) of activities. Some extreme sports have developed     7     a familiar activity, like mountain biking. Some extreme sports may not be well-known. Bouldering, for example, is a type of rock climbing in     8     no rope is used. It usually takes place in an area with large rocks or in climbing centers.

People have never stopped     9     (develop) new types of extreme activities. These sports are gaining     10     large audience and growing in popularity, especially among young people.

On a quiet morning, about 70 people were practicing the ancient art of tai chi, outside of the library in Salt Lake City, Utah. They are not    1     well-trained   group of exercisers,   but rather a class of participants who are    2    (most) homeless. The class focuses    3     (little) on mastering the exercise and more on    4    (build) a community. People have said the class relieves their stress, encourages them to get into a routine and make new friends.

Bernie   and Marita Hart, a    5    (retire) couple, began to run the free program   three years ago. They started it by approaching   homeless people    6     were pushing grocery carts near the Salt Lake City Public Library and inviting them to try    7     Hart said her   favorite part of the program has been watching the friendships among participants. They love seeing the positive impact the class    8    (have) on people's lives.

When the Harts are out of town, tai chi does not stop. Attendees take turns teaching the classes.

"Homeless people    9    (tell) what to do every place they go, but we want to encourage them   to   be    10    (leader)," Bernie   Hart   said. "They   don't   need   sympathy,   they   need something that works."

As the monitor as well as one of the top students in my class, I am always a     1     (pride) boy. Sometimes I rely so much on myself that I won’t follow others’ suggestions. And it was because     2     my blind pride that I made     3     stupid mistake in a physics competition that needed not only personal ability but also teamwork. During the competition, I thought I performed     4     (well) than my partners and it was I that won the applause of the audience, so I forgot    5    (work) together with     6    (they). When our group were preparing for the last question, one of   my partners told me that there was something wrong with our last question’s answer and suggested     7    (check) it out. But I was so proud    8     I didn’t take his. To my surprise, our answer was wrong and we     9    (fail). If I had taken his advice at that moment, we would not have failed.    10    (experience) the failure, I realize that it is important to listen to others’ opinions.

No yelling. No waving fists. Gathering in a circle was    1    (basic)all the celebration by the Chinese women volleyball team, which seemed too calm for the champions at the 2019 FIVB Volleyball Women's World Cup. This is China's    2    (ten)title across volleyball's three major competitions, following three Olympic golds, two World Championship crowns and four World Cup titles.

"Every time we put on our national team jersey(队服), we fight    3    the same goal: to see our national flag    4    (raise) to our national anthem at the podium ceremony," Lang said after the first match at the 2019 World Cup. She has kept    5    (she)word, just like she did 38 years ago,    6    she saved a match point for China and enabled China to win the championship. The past 38 years    7    (witness)the rise and fall of the Chinese team, but the team spirit, which means never    8    (give)up, especially in adversity逆境), has inspired one generation after another, both within the team and across the country.

"The spirit of Chinese volleyball comes from every minute, every play, and every day of training," said captain Zhu Ting. This year, the World Cup    9    (play)across different cities, but Team China trained even on traveling days when other teams chose to have a rest after a    10    (tire) flight. Landing in Osaka at 14:30 on September 25, the Chinese players showed up in the training center at 16:00 for practice.

The history of football     1     (go) back to Ancient China. But football we know today     2     (start) in Great Britain. That football is such     3     simple game that is perhaps the     4     (base) of its popularity. All over the world you can see kids     5     (play) to their hearts’ content     6     a ball. Another factor behind its popularity is the creativity and excitement. It is fun enough     7     (attract) millions of people. What’s more, it has become one of the best     8     (way) to communicate. For example, on Christmas Day 1914, World War Ⅰ     9     (break) out months before, but British and German soldiers put down arms and played football together. So football is much more     10     just a sport.

According to a review of evidence in a medical journal, runners live three years     1    (long) than non-runners. Two of the authors of the review also made a study published in 2014    2     showed a mere five to ten minutes a day of running reduced the risk of heart disease and early death from all     3    (cause).

    4    (avoid) knee pain, you can run on soft surfaces, do exercise to strengthen your leg muscles, avoid hills and get running shoes. Running is always     5    (energy). If you are time poor, you need run for only half the time to get the same benefits as other sports, so perhaps we should all give it a try.