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When it comes to walking off those excesses(过剩) , a lengthy hike once a day will do you far more good than nipping down to (一溜烟跑) the shops every couple of hours even if the short walks add up to the

same amount of time, say exercise researchers in Britain. But walks of any length beat sitting at home with your feet up and watching television. They stress. Some researchers in Britain reached these conclusions after putting 56 couch potatoes through an 18 week course of daily walks. They found that longer walks produce the most beneficial changes to the composition of blood fats, but walks of any length improve the fitness of the heart.

In the study, the normally inactive subjects were divided into three roughly equal groups. The "long walker" took a hike of between 20 and 40 minutes every day. "Intermediate walkers" had two rounds of jogging of 10 to 15 minutes, and "short walkers" did three stints of 90 to 110 minutes. The controls sat at home, as usual.

At the start and end of the 18 weeks, the health and fitness of each group were measured and it was found that the long walkers were healthiest, as measured by altered fat profiles in their blood. At the end, each liter of blood from the long walkers contained an average 0.05 grains less apolipoprotein(阿朴脂蛋白) II, a "bad" fat that is linked with heart disease. This was more than twice the drop seen in the intermediate walkers, and five times that in short walkers. In the controls, the level of this fat stayed the same. The drop in apolipoprotein II in the long walker was matched by a rise in the blood level of apolipoprotein I, a "good" fat that is associated with smooth arteries.

1、According to the researchers, ______ is least beneficial to your health.

A、taking a lengthy hike once a day

B、going shopping several times every day

C、doing jogging every morning

D、sitting in the sofa watching TV every evening

2、"Couch potato" in paragraph 2 is used to refer to a kind of ______.

A、farmers

B、vegetables

C、movie-goers

D、TV viewers

3、Which of the following statement is FALSE？()

A、Longer walks benefit our composition of blood fats

B、The subjects in the study all often watch TV

C、Only longer walks benefit our health

D、The subjects in the study may not like exercises

4、The subjects are divided into ______ groups.

A、four

B、three

C、two

D、one

5、Why is long walk beneficial to our heart？()

A、It leads to the drop in apolipoprotein I

B、It leads to the drop in apolipoprotein II

C、It keeps us from watching TV

D、It helps us lose weight

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更多“When it comes to walking off t…”相关的问题
第1题
If you are at work sitting behind your desk when a visitor comes by, walk around your
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此题为判断题(对，错)。

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第2题
What is the underlying reason that maximum profit comes at the level of output where marginal cost equals price()。
What is the underlying reason that maximum profit comes at the level of output where marginal cost equals price（)。

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第3题
Homecoming DayIn American schools there is something called Homecoming Day. Many high sc
Homecoming Day

In American schools there is something called Homecoming Day. Many high schools and colleges with a football team have a homecoming game. This can be the most important event of the year except graduation day. Students plan Homecoming Day for many weeks in advance.

Several days before Homecoming Day，students start to decorate the school. There are signs to wish luck to the team，and many other signs to welcome all the graduates. Many people still come to Homecoming Day twenty or thirty years after their graduation.

The members of school clubs build booths and sell lemonade，apples and sandwiches. Some clubs help to welcome visitors.

During the day people like to look for teachers that they remember from long ago. Often they see old friends and they talk together about those happy years in school.

Everyone soon comes to watch the football game. When the game is half over，the band comes onto the field and plays school songs. Another important moment is when the Homecoming Queen or King appears. All the students vote a most popular student Homecoming Queen or King. It is great honor to be chosen.

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11. What do many high schools and colleges with a football team have？

A. A Homecoming game.

B. A Homecoming party.

C. A Homecoming dance

D. A Homecoming concert

12. When do students begin to plan the Homecoming Day？

A. Two weeks in advance.

B. One week in advance

C. Many weeks in advance

D. Two or three days in advance

13. What do students start to do several days before the Homecoming Day？

A. Stop classes for parties

B. Decorate the school

C. Set up welcoming groups

D. Hold all kinds of parties

14. Which is NOT mentioned about the things they do before the football game？

A. Look for teachers

B. See old friends

C. Talk together.

D. Order tickets

15. When does the band play school songs？

A. While the game is going on

B. After the game

C. When the game is half over

D. Before the game

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第4题
In cities across the United States, old factories, warehouses, schools railroad statio
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Even when the costs of restoration are the same as or a bit more than the costs of putting up a new building, fixing the old building may be better.A Boston architect says The advantage comes when you can develop a final project that is more desirable than a new building – one with the right location, more space, more floor area, a special character, materials of a particular quality.” Gradually, architects and builders are developing knowledge about renovation and preservation, bringing imagination and creativity to the job.

16.In the United States, renovating old buildings_____.

A.has had a long history

B.is becoming increasingly popular

C.is still unpopular

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17.Ghirardelli Square, Trolley Square, and the Soho district are projects that_________.

A.have been given much publicity

B.are little known to the public

C.have been widely discussed among builders and city planners

D.have changed the building business

18.“Nostalgia” in the 3rd paragraph most probably means________.

A.being conservative

B.being keen on saving money

C.being fond of things new

D.being fond of things of the remote past

19.Which of the following statements is true？

A.Every old building can be renovated for new uses

B.Renovating old buildings is always less costly than putting up new ones

C.Renovation does not require imagination and creativity

D.Fixing an old building may have advantages even when it costs a little more

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第5题
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第6题
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第7题
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第8题
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第10题
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第11题
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