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Nine out of ten U.S. high school students aren’t getting enough exercise, according to a recent study. Colorado State University (CSU) professor Kaigang Li researched the fitness and exercise habits of kids in their late teens. Rather than depending on surveys to get data (数据), Li asked the students in the study to wear accelerometers-devices (设备) that measure the amount (量) of physical activity — so that he could know how much daily exercise the teens were getting. According to the Centers for Disease Control’s (CDC) recommended (推荐) daily amount of exercise for kids to stay healthy, Li found that 91 percent of the 15-to-18-year-olds did not meet the requirements.

Earlier studies have shown that the amount of daily physical activity is likely to go down from childhood to late teenage years. For example, only 0.04 percent of 9 year-olds exercise less than an hour daily, but the number increases to 70 percent for 15-year-olds. And over the age of 15 kids become even less active.

Li found that, after high school, physical activity levels got even lower. Those who did attend college were slightly more active than those who didn’t, and of the college students, those living outside schools exercised less than on-campus students.

Kids who don’t get enough exercise often face serious health problems later in life. Li had a different set of recommendations for college students and those who don’t attend college.

“Colleges should ask students to do more physical activities -not just to build more centers, but to encourage students with more programs,” said Li.

For those who don’t attend college, Li believes that “government and communities” should know their needs and do more.

Part of the reason kids are not getting enough exercise may be because of the fact that only 29 percent of U.S. high schools have daily gym classes.

【小题1】What do we know about Li’s research?
A.It was developed from surveys.
B.It asked students to exercise every day.
C.It got data with the help of accelerometers.
D.It didn’t agree with CDC’s recommendations.
【小题2】What do Li’s research findings and those of earlier studies have in common?
A.Kids exercise less and less as they get older.
B.Kids around 15 are the most active in exercising.
C.Kids without enough exercise face more health problems.
D.Kids who attend college practice more than those who don’t.
【小题3】What measure should colleges take?
A.Working with the local government and communities.
B.Giving students more chances for physical activity.
C.Preventing students from living outside schools.
D.Increasing the number of gyms in the colleges.
【小题4】What’s the main idea of this text?
A.Pushing college students to get exercise is not easy.
B.CDC suggests that teens should exercise every day.
C.Teens who exercise daily often live a healthy life.
D.90% of U S. teens aren’t getting enough exercise.
21-22高一上·河南信阳·期中
知识点:体育健身 社会问题与社会现象说明文 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!
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The Rugby (英式橄榄球) World Cup is currently being held in New Zealand. The tournament, due to finish on October 23, is living up to the famous English saying, “Rugby is a thug's (暴徒) game played gentlemen. ”

The games are physically aggressive; the tackles (冲撞) on the pitch are brutal; but the end of each match is a civilized affair. Players shake hands and applaud each other. Of course, the other side to this saying is: "Football is a gentleman's game played by thugs. " Indeed, unlike soccer players, rugby players don't often question the referee's (裁判员) decisions or pretend to be injured when they are not.

“Football could learn a lot from rugby," said Brian Moore, a former England rugby player "The wonderful spirit of rugby is: there is a gentlemanly code to it. You play hard on the pitch, but you always respect your opponent..

Rugby is mainly played in Europe. Australia, New Zealand and parts of Africa. "It is more enjoyable to play than soccer because you are always involved in the game," said Peter, a Welsh rugby coach. "Rugby is also a far superior test of strength, stamina (耐力) and determination. "

Most professional rugby players are large, strong and weigh over 90 kilograms. People who play the sport need to be tough and be prepared to get hurt. Black eyes, broken bones, lost teeth and being knocked unconscious—all these are common injuries. Former British Prime Minister Gordon Brown is blind in one eye thanks to a rugby accident at school.

In England, children begin playing the game at school at the age of 8. When they enter high school, many begin to play full contact rugby. Children are taught to play for around one hour a week during their PE lessons. Most schools have a rugby team. Children who play for the school team are usually the sportiest kids, and are seen as brave and athletic.

【小题1】What can be concluded from the first three paragraphs?
A.Football players are not real gentlemen.
B.There is a better spirit in playing rugby than football.
C.Football players are not as athletic as rugby players.
D.Brian Moore thinks that rules should be stricter in football.
【小题2】According to the passage, Peter thinks ______.
A.rugby players pretend to be injured when they are not
B.rugby is not very popular in America and Asia
C.rugby makes people enjoy sports better than soccer
D.rugby needs players' strong will rather than strength
【小题3】The example of Gordon Brown is mentioned in order to                  .
A.prove that playing rugby can earn people fame
B.explain why Gordon Brown is blind in one eye
C.support the point that rugby players often get hurt
D.warn teenagers against playing rugby at school
【小题4】What can we infer from the passage?
A.Teenagers will lose interest in football.
B.English children have a talent for rugby.
C.Playing rugby doesn't involve skills.
D.Rugby is not suitable for everyone.

The people of Hong Kong have always worked hard. Sometimes in the past, they had no time for rest or play. Today things have changed, and people have begun to learn how to play as well as working.

Over the past few years, the Government has built swimming pools and sports grounds all over Hong Kong. The Recreation and Sports Service has also played a big part in helping the people of Hong Kong to enjoy sports and outdoor activities. It has set up an outdoor recreation center in Sai Kung, and thousands of people have had short, active holidays with plenty of sports in the countryside. New holiday centers are being prepared in Tsuen Wan, Disneyland and Sai Kung, including a water sports center in Tai Po. The R.S.S. is also helping other organizations to set up holiday camps. The R.S.S. used to be part of the Education Department. Now it has become part of the Home Affairs Department. Students are not the only people who need recreation and sports.

At one time, only rich people could afford to sail, to join squash and tennis clubs, to water-ski, etc. Now more and more people are taking part in more different kinds of sports. Thousands have learnt to swim, or to play such popular games as tennis, football, squash and basketball. Many have discovered the joy of cycling or have learnt to sail. Gymnastics has become popular outside school. Walking and camping in the countryside or on the beach have become weekend activities to many more.

Many people live in small, crowded houses, and work long hours doing boring jobs in factories and offices. Their spare time should not be spent at the cinema or watching TV. They need fresh air and outdoor activities. The Recreation and Sports Service is making many people healthier and happier.

【小题1】If you want to water-ski in Hong Kong, you’d better go to _________.
A.Disneyland
B.Tsuen Wan
C.Tai Po
D.The U.S.S.
【小题2】The underlined word “squash” in the third paragraph refers to ________.
A.an organization
B.sailing
C.a kind of game
D.a rich person
【小题3】Which of the following ideas may the author support according to the last paragraph?
A.Gymnastics should be learnt at school.
B.One should visit the countryside on weekends.
C.It is good to watch TV after long hours’ work.
D.Outdoor activities can make people happier.

The first time I realized that I had a love for sports competitions was during the Field Day in elementary school. Small for my age, and more of a bookworm than a sports enthusiast, I had suffered that special humiliation of being picked last for various gym teams. The Field Day, which focused on individual skills, was different. In the Softball Throw event, I got my first taste of sporting victory. Credit goes to the example of my first coach, my father. He lifted weights every morning at home. He bought us all baseball gloves and hats, and in the warm months, we spent hours playing catch. Come fall, our backyard football games began with passing practice.

Once I got to sixth grade and switched to private school, our entire student body was assigned to either the Red or the White team. Throughout the year, we competed against each other in various games and exercises for points. I eventually became president of The Committee of Games, accelerating (加速) my competitive fever. However, in girls’ sports games at my school, I was no star. I also played on the field hockey team and the basketball team. School sports did not bleed into the weekends, as they do today, but at home, playing tennis, skating, skiing and biking were simply normal things we did. During break time, magazines were also quite popular for us teens. These regularly featured articles on physical exercise. Somehow, my college roommate and I took up the habit of completing Royal Canadian Air Force (RCAF) exercises every day, a practice that continued into my marriage, when we had no spare funds to use to join a gym.

So, though it shocks some of our friends, that early foundation evolved in adulthood into a sports and fitness focus, considered essential even on vacation. I still love reading and the arts, too. As far as I’m concerned, life is the richest with my feet in both worlds.

【小题1】What does the underlined word “humiliation” mean in Paragraph 1?
A.responsibilityB.panicC.shameD.desire
【小题2】What did the author owe her victory in the Softball Throw event to?
A.Her advanced sports outfits.B.Her confidence in her sports ability.
C.The sports talent inherited from her father.D.The example and training offered by her father.
【小题3】What happened after the author stepped into adulthood?
A.She generally exercised on weekends.B.She joined Royal Canadian Air Force.
C.She preferred reading to exercising.D.She maintained her love for sports.
【小题4】What is the author’s purpose in writing the article?
A.To describe how her father built her interest in sports.
B.To recall her childhood memories about sports.
C.To express her passion for sports and fitness.
D.To emphasize the benefits of physical exercise.

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