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题型:阅读理解-阅读单选 难度:0.65 引用次数:57 题号:15167677

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.

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.
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.
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.
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.

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【推荐1】“Our aim is to take our art to the world and make people understand what it is to move,” said David Belle, the founder of parkour.

Do you love running? It is a good exercise, yet many people find it boring. But what if making your morning jog a creative one? Like jumping from walls and over gaps, and ground rolls? Just like the James Bond in the movie Casino Royale? Bond jumps down from a roof to a windowsill and then runs several blocks over obstacles on the way. It is just because of Bond’s wonderful performances that the sport has become popular worldwide.

Yes, that’s parkour, an extreme street sport aimed at moving from one point to another as quickly as possible, getting over all the obstacles in the path using only the abilities of the human body. Parkour is considered an extreme sport. As its participants dash around a city, they may jump over fences, run up walls and even move from rooftop to rooftop.

Parkour can be just as exciting and charming as it sounds, but its participants see parkour much more than that.

Overcoming all the obstacles on the course and in life is part of the philosophy behind parkour. This is the same as life. You must determine your destination, go straight, jump over all the barriers as if in parkour and never fall back from them in your life, to reach the destination successfully. A parkour lover said, “I love parkour because its philosophy has become my life, my way to do everything.”

Another philosophy we’ve learnt from parkour is freedom. It can be done by anyone, at any time, anywhere in the world. It is a kind of expression of trust in yourself that you earn energy and confidence.

1. Parkour has become popular throughout the world because of________.
A.its founder, David BelleB.the film, Casino Royale
C.its risks and tricksD.the varieties of participants
2. The underlined word “obstacles” in Paragraph 2 is closest in meaning to “________ ”.
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3. Which of the following is true of parkour?
A.It challenges human abilities.B.It is a good but boring sport.
C.It needs special training.D.It is a team sport.
4. Which of the following is the philosophy of parkour?
A.Sports and extremes.B.Excitement and popularity.
C.Dreams and success.D.Determination and freedom.
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【推荐2】Although a gym membership can be nice, you don't have to have one to get into great shape! All you need is a little bit of time and space at home for yourself.     1    

Spend 5 to 10 minutes warming up before every workout.     2     Try jumping jacks, leg or arm circles, or even dancing. Just get your blood pumping. Do a progressive aerobic activity that uses the same muscles you want to work out. For instance, slowly jog if you are going for a longer run.

    3     Strength training, also called resistance training, makes you stronger and builds endurance. Try to do exercises that work a lot of muscles and add weight to increase your resistance. This helps you do a harder workout every time you exercise.

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If parents sit in front of the TV every night, kids aren’t likely to respect restrictions(限制) you set on their screen time either. So check your own behavior and serve as a role model by putting physical activity into your everyday life. Walk instead of driving if possible. Regularly join in activities that you enjoy and let your kids see how much you enjoy them. In this way, they may “do as the Romans do”. Make sure that children’s fitness is included in the family schedule as well as school, work and shopping. Then you and your children are more likely to stick to an exercise plan. And your children will begin to expect that Sunday morning usually means a hike ride, and on a couple of nights after dinner the family takes a light walk through the neighborhood.

Children who aren’t naturally good at physical activity may be worried about their lack of physical skills and even fear public failure. They need all the support and encouragement from parents. Negative comments don’t work and will only make them feel bad. Remember, focus on the effort—choosing to be active or trying to improve a skill—rather than the result.

1. What’s the second paragraph mainly about?
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