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单选题英语六级

2017-05-11

When two obese people get married, chances of their children getting fat increase as well.

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1 Several new explanations for the obesity epidemic have been provided by obesity experts.

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2 Questions ale based on the following passage.
Mark Ramirez, a senior executive at AOL, could work in the most comfortable leather chair, if he wanted. No,thanks. He prefers to stand most of the day at a desk raised above stomach level. "I've got my knees bent; I feel totally live," he said. "It feels more natural to stand. "
In the past few years, standing has become the new sitting for 10 percent of AOL employees at the firm's Virginia campus, part of a standing ovation (热烈欢迎)among accountants, programmers, telemarketers and other office workers across the nation.
Geek Desk, a California firm that sells $ 800 desks raised by electric motors, says sales will double this year.
Standers give various reasons for taking to their feet: It makes them feel more focused, prevents doze, and makes them. feel like a general even if they just push paper. Former defense secretary Donald Rumsfeld works standing up. So does novelist Philip Roth.
But unknown to them, a debate is spreading among some experts and public-health researchers about whether all office workers should be encouraged to stand--to save lives.
Doctors point to surprising new research showing higher rates of obesity, heart disease and even death among people who sit for long stretches. A study earlier this year in the American Journal of Epidemiology showed that among 123,000 adults followed over 14 years, those who sat more than six hours a day were at least 18 percent more likely to die during the time period studied than those who sat less than three hours a day.
“Every rock we turn over when it comes to sitting is stunning," said Marc Hamilton, a leading researcher on inactivity physiology at the Pennington Biomedical Research Center in Louisiana. "Sitting is hazardous. It's dangerous. We are on the tip of a major revolution. " He calls sitting "the new smoking".
Not so fast, other experts say. Standing too much at work will cause more long-term back injuries. Incidences of varicose veins (静脉曲张)among women will increase. The heart will have to pump more.
Hedge, the Cornell professor, isn't a fan of all this standing. "Making people stand all day is dumb," he said.
The sensible and most cost-effective strategy, he said, is to sit in a neutral posture, slightly leaned, with the keyboard on a tray above the lap. This position promotes positive blood flow. Workers should occasionally walk around, stretch and avoid prolonged periods at the desk. The key, he said, is movement, not standing.
注意：此部分试题请在答题卡2上作答。
What may be the reason for Mark Ramirez's standing for his work?

A．The desk is raised above his stomach.

B．The chair is uncomfortable.

C．He wants to be close to nature.

D．It can keep him completely alive.

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3 What does the author intend to show by the examples of Donald Rumsfeld and Philip Roth?

A．There are a lot of people standing for their work.

B．Donald Rumsfeld and Philip Roth are generals.

C．Standing makes them feel more focused.

D．Both of them are experts in standing.

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