B. She is a 101﹣year﹣old lady who likes challenging herself.

C. She was recorded in the Guinness World Records in 2007.

D. She is the oldest woman in the Guinness World Records.

25.From whom did Mary get the idea of going paragliding?

A. A 100﹣year﹣old British woman.

B. Kevin Hintze.

C. Her grandson.

D. Her 75﹣year﹣old son.

26.How does the author feel about Mary's action？

A. Amazed.

B. Supportive.

C. Doubtful.

D. Worried.

27.The text is likely to appear in .

A. a news report

B. an advertisement

C. a novel

D. a science report

C

Your chair is your enemy.

It doesn’t matter if you go running every morning, or you’re a regular at the gym. If you spend most of the rest of the day sitting, you are putting yourself at increased chance of heart disease, cancers and an early death. In other words, even if you exercise energetically, sitting for long periods is bad for you.

So what’s wrong with sitting? One is that sitting is one of the most passive things you can do. You burn more energy by chewing gum than you do sitting still in a chair. Compared to sitting, standing in one place is hard work. To stand, you have to tense your leg muscles, and the muscles of your back and shoulders. While standing, you often change from leg to leg. All of this burns energy.

For many people, weight gain is a matter of slow increase. Thus, a little more time on your feet today and tomorrow can easily make the difference between remaining thin and getting fat. So part of the problem with sitting a lot is that you don’t use as much energy as those who spend more time on their feet. This makes it easier to gain weight, and makes you more likely to suffer from the health problems that fatness often brings.

Some people have advanced solutions: replace your sit-down desk with a stand-up desk. Make sure that your television can only operate if you are practicing