Scientists have known for years that people who exercise tend to live longer than those who do not. Perhaps one of the best things we can do for our bodies is to    1    (simple)take a walk. Some people might think that walking is not intense enough    2    (offer)any health benefits. They may say that playing sports or running hard would be much     3    (good)because they tend to use more energy.

Walking also has many    4    (hide)benefits that we are just starting to understand. One of the best things about walking is that it can     5    (strength)your heart. Walking will pump blood faster and give your circulatory system a workout. This also helps to manage blood pressure. As     6     result, you can lower the chance of having a stroke by up to 27 percent.

Even a short 30-minute walk at 3 kilometers per hour can burn off 75 calories for a person who    7    (weigh)60 kilograms. A daily walking routine can be a good part of an overall weight loss plan.    8    (study)show that about 75 percent of people who try to lose weight       9     jogging will quit within six months.

Walking causes the brain to release endorphins(内啡肽)throughout the body,    10     helps to raise your mood levels. They also make you feel relaxed, more alert and happier. Walking is an excellent way to reduce stress and anger.

For the first time, a team of refugees will compete at the Olympic Games. The International Olympic Committee (IOC) approved a plan this week for a team of up     1     10 Refugee Olympic Athletes.

This news became     2     hot topic on social media Thursday. Facebook users called the plan a “wonderful gesture” and “the     3     (great) news I’ve heard in a while.” More than 40 high-performance athletes,     4     happen to be refugees,     5     (identify) as possible Olympic athletes so far.

CNN reported Thursday that one of them is a 17-year-old     6     (swim) named Yusra Mardini. She fled Syria on a boat headed for Greece from Turkey. The boat started filling with water. Mardini and her sister got in the water and helped pull the boat and its 20 people onboard to     7     (safe).

Mardini now     8    (live) in Germany. She has received funding from the IOC for her training. The Refugee Olympic team will participate     9     the Olympic opening ceremony in Rio on August 5. The team will march out (出场) just before athletes from Brazil.

International Olympic Committee President Thomas Bach said that, “By     10    (welcome) this team of refugee athletes to Rio, we want to send a message of hope for all refugees of the world.” The United Nations says that more than 60 million people around the world are refugees.

Once every 4 years the World Cup has always deeply attracted millions of fans around the world since it     1    （hold）． As     2    matter of fact， there were two trophies in history． The first was made by Paris' technician， Friel， who was very     3    （fame） for making jewelry． The model， which was the goddess of victory，    4    （dress） in ancient Rome costume， stretching her arms and holding the image of the cup， stood on the marble base． According to the FIFA regulations at that time， the World Cup champion team could keep the gold cup for 4years to the next cup return． Besides， there was an additional     5    （require）． The team who won the three world championships would always get this cup．

In the 1970 World Cup， Brazil won the title the     6    （ three） time． The "Golden Goddess Cup" flew to Brazil and was expected to be kept there    7    （permanent）． Unfortunately， later the Gold Cup was stolen and melted．     8    （create） a new trophy in 1971， FIFA finally collected fifty-three designs，    9    which the work of Italian Gazania was selected． He designed the trophy --- two Herchles （大力神） lifted the design of the earth． The base is made up of two layers of precious malachite （孔雀石）． In reality， FIFA rules the new cup as a mobile prize． It means     10    team wins the championship can not occupy the cup forever．

According to a review of evidence in a medical journal, runners live three years     1    (long) than non-runners. You don't have to run fast or for long    2    (see)the benefit. You may drink, smoke, be overweight and still reduce your risk of     3     (die) early by running. While running regularly can't make you live forever, the review says it     4     (be) more effective at lengthening life    5     walking, cycling or swimming. Two of the authors of the review also made a study published in 2014    6    showed a mere five to 10 minutes A day of running reduced the risk of heart disease and early deaths from all     7    (cause).

The best exercise is one that you enjoy and will do. But otherwise…   it's probably running. To avoid knee pain, you can run on soft surfaces, do exercises to    8    (strength)your leg muscles(肌肉),avoid hills and get good running shoes. Running is cheap, easy and it's always    9    (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    10    a try.