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Sitting around doing nothing used to seem like one of the safest activities possible. Then a few years ago scientists discovered that sitting all clay causes harmful changes that increase your chances of meeting an early end. Even regular workouts didn't fix the ill effects of having your bottom in a chair all workday. Suddenly, sitting became public health enemy number one. However, a new research finds that tiny bursts of intense activity are enough to protect your body from the worst effects of your couch-bound lifestyle.

In the research, the scientists closely observed eight young, healthy volunteers as they sat around. On the first day of the experiment they simply lounged for six hours. On the second day they got up every hour and engaged in five rounds of four seconds of intense workouts on a specialized bike.

"Twenty seconds total exercise an hour sounds like nothing, but the data showed it made a big difference to the subjects' bodies. In short, they didn't exhibit the usual ill effects of having sat all day. This study is small, but it's still both hopeful and relevant. The results suggest that breaking up sitting with frequent exercise can undo some of the effects of being inactive," explains Gretchen Reynolds.

"While the study used a special type of bike developed by sports scientists, the researchers feel similar results are obtainable with home exercise equipment. However, you may have to work for a few more seconds to reach the same level of intensity. You should try to get your heart pumping to its maximum as quickly as possible to ensure the effect. When you find yourself sitting for most of the day, try to rise frequently and move as often during the day as possible and for as many seconds as you can manage," Reynolds concludes.

【小题1】What does the new research find?
A.Regular workouts can extend your life.
B.Sitting all clay can cause permanent harm.
C.Sitting is a worst enemy for people's health.
D.Intense exercise can relieve the damage of sitting.
【小题2】How did the researchers reach the conclusion?
A.By comparing figures.B.By analyzing phenomena.
C.By describing behaviors.D.By referring to documents.
【小题3】What can we know from Reynolds' words?
A.The study still needs further experiments for data.
B.Reaching maximum heart rate should be the aim.
C.Working out at home is much less effective.
D.20 seconds' exercise is far from enough.
【小题4】What can be the best title of the passage?
A.The Worst Health Problem Is Solved
B.Intense Activities Are Beneficial to Health
C.Just 4 Seconds' Exercise Makes a Big Difference
D.New Research Redefines a Healthy Lifestyle
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Students at a university in Anhui Province will probably not receive their diplomas (毕业文凭) if they fail a fitness test. 【小题1】 This rule has caused hot discussion. According to the plan, the new rule will come into force soon. And if students fail to pass the fitness tests, they won’t get their diplomas.

However, it is not a one-time test like gaokao. Students who fail the tests of graduation will be given another chance. He can take the test for a second time. 【小题2】

Do you think it is the only university doing so? No! If students want to enter Tsinghua University, they also have to be able to swim. 【小题3】 And they must pass a swimming test after school begins.

Tsinghua University will ask the students to learn swimming and will organize a swimming test for all new students in September. If students fail to swim as long as at least 50 metres, they will have to take the swimming course throughout their studies. And of course, students are also reminded to learn and practise swimming safely. They will be able to swim by the time they graduate, or the university won’t give them diplomas.

【小题4】 But some just stay in the classroom all day long. Few students take exercise even if they are free. They need to do some exercise to keep themselves healthy. Swimming is also a survival skill. 【小题5】 Any student who wants to enter Tsinghua University, remember, swimming is your necessary skill.

A.Or they will prepare to learn swimming.
B.But they must do a warm-up before the test.
C.University students are encouraged to do more exercise after class.
D.It does no harm to people at all and is the correct sport for students.
E.And if they fail again, they will have to take the test even after graduation.
F.Although swimming is an overall activity, it may cause some problems.
G.The test has running, standing long jump and some other sports activities.

Nhon Ly, a 55-year-old Vietnamese-born professional bodybuilder from California has been awarded the “real-life Master Roshi" for his unbelievable similarity to the popular Dragon Ball Z   anime( 日本动漫)   character.

Ly certainly doesn't look like any other typical 55-year-old man. In fact, he looks a lot better than most guys in their 20s, with his lean(瘦且健康的), strong muscles and youthful attitude. But he's absolutely not the only 50-something man who has the strong muscle in the world.   What really sets Nhon Ly apart from all the rest is his unbelievable similarity to Dragon Ball Z character Master Roshi,   also known as the Turtle   Hermit,   in his "final form".   And he apparently liked the comparison so much that he even set his Instagram handle as @master_ roshi_ real_ life.

According to Madness Media , Ly immigrated to the United States in 1980, at the age of 16.   He got a job as a pedicurist(修脚师) at a nail salon, and worked his way up to salon owner. Although he has achieved so much, bodybuilding has always been his biggest love. He has competed in several professional bodybuilding events, with his most notable results being the 4th place at the 2011 US Championship, the 7th place at the 2012 edition ,and the 5th place at the 2015 Nationals.

Even at 55, Nhon Ly continues to train hard in the gym in order to keep his Master Roshi look. He also likes to share photos and videos with his 40,000 fans, many of whom are Dragon Ball Z fans. They routinely post a large quantity of comments, thanking him for training Goku, who is the main character in Dragon Ball media, and asking him to train them in the art of bodybuilding.

【小题1】Why is Nhon Ly called "real-life Master Roshi"?
A.He looks extremely similar to Master Roshi.
B.He is quite good at training people like Goku.
C.He has the same life stories as Master Roshi.
D.He holds a special attitude to Dragon Ball Z.
【小题2】How does Nhon Ly feel about his "new name"?
A.He finds it typical yet silly.B.He thinks it can be popular.
C.He is fond of it very much.D.He considers it embarrassing.
【小题3】Which of the following words can best describe Nhon Ly?
A.Confident and wealthy.B.Creative and ambitious.
C.Athletic and hardworking.D.Healthy and generous.
【小题4】What can be a suitable title for the text?
A.Success Comes From Continuous Efforts and Dreams
B.Great Achievements of an Old but Still Positive Athlete
C.Unbelievable Life Experiences of an Anime Character
D.A 55-year-old Man Is Known for Looking Like Master Roshi

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