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  3. Doctors in Britain are warning of an obesity time bomb, when children who ar

Doctors in Britain are warning of an obesity time bomb, when children who ar

游客2023-07-19  26
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 (胖乎乎的) — 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, 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 (跑步机) 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 (有氧的) 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 (久坐 的) 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? [br] To keep fit, the Health Development Agency recommends______.
选项 A、taking exercise as much as possible
B、making full use of treadmills in the gym
C、using the stairs instead of the lift
D、trying some new aerobic exercises
答案 C
解析 第四段倒数第二句提到健康发展署的建议，[C]using the stairs instead of the lift是对建议中提到的taking the stairs rather than the lift的同义转述，故答案为[C]。健康发展署相信，融入人们生活的体育运动可能更有效，并未说要做尽可能多的运动，并且第五段前两句提到过多运动和有些不习惯的有氧运动可能会伤害人们，故排除[A]和[D]。由第四段第三、四句可知健康发展者并不建议人们去健身房锻炼，故排除[B]。
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