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  3. Doctors in Britain are warning of an obesity time bomb, when children who are already overweight grow up. So, what should we do?

Doctors in Britain are warning of an obesity time bomb, when children who are already overweight grow up. So, what should we do?

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问题     Doctors in Britain are warning of an obesity time bomb, when children who are already overweight grow up. So, what should we do? Exercise more? Eat less? Or both? The government feels it has to take responsibility for this expanding problem.
    The cheerful Mr. Pickwick, the hero of the novel by Charles dickens, is seen in illustrations as someone who is plump and happy. In 18th century paintings beauty is equated with rounded bodies and soft curves. But nowadays being overweight is seen as indicating neither a cheerful character nor beauty but an increased risk of heart disease, stroke and diabetes.
    So what do you do? Diet? Not according to England’s chief medical officer, Sir Liam donaldson. He says that physical activity is the key for reducing the risks of obesity, cancer and heart disease. And the Health Secretary John Reid even said that being inactive is as serious a risk factor in heart .disease as smoking. So, having bought some cross trainers (可用于多种运动的运动鞋), how much exercise should you do? According to Sir Liam donaldson, at least 30 minutes of moderate activity five days a week. Is going to the gym the answer? Luckily for those who find treadmills(踏车) tedious, the Health development Agency believes that physical activity that fits into people’s lives may be more effective. They suggest taking the stairs rather than the lift, walking up escalators, playing active games with your children, dancing or gardening. And according to a sports psychologist, Professor Biddle, gyms’are not making the nation fit’, and may even cause harm. There’s new scientific evidence that too much exercise may actually be bad for you. Scientists at the University of Ulster have found that unaccustomed aerobic exercise releases dangerous free radicals that can adversely affect normal function in unfit people. The only people who should push their bodies to that level of exercise on a regular basis are trained athletes. So, should we forget about gyms and follow some expert’s advice to reduce sedentary activities and increase exercise in our daily life? After all, getting off the bus a stop early and walking the rest of the way can’t do any harm! One final thought. How come past generations lacked gym facilities but were leaner and fitter than people today?
"Gyms are not making the nation fit" (Line 10, Para 3) means ______.
选项 A、a country should not build so many gyms
B、gyms harm people’s health
C、gyms are not necessarily the access to good health
D、gyms can’t make the country a healthy one
答案C
解析 语篇题。该句之前作者提出：Is going to the gym the answer?(在体育馆进行运动是否是解决办法?)，之后作者就这一问题进行分析：体育馆并不能解决全民健康问题，有时候在体育馆进行的有些运动甚至会给人们的健康带来危害。人们可以结合日常生活，如走楼梯等进行运动。根据上下文内容不难判断此题答案为C。
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