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| Half an hour of exercise a day can add an extra five years on your life, a ground breaking research has revealed.Health experts said that walking or cycling gently has massive longterm benefits.According to the World Health Organization, research carried out in Britain and Denmark shows that gentle workouts (锻炼) and even housework every day can boost life spans by as much as five years. The news will provide encouragement for those couch_potatoes to start ta  king exercise.Britain is inthe grip of an obesity epidemic (肥胖症), with just 35% of men and 24% of women taking regular exercise. "Encouraging people to be physically active every day has so many health benefits, " said Dr.Marc Danzon, WHO regional director for Europe."These include reducing the risk of developing certain diseases and of becoming obese, as well as contributing to physical coordination, balance, strength and mental wellbeing.It is a very costeffective public health tool." The organization is so concerned that the public is not getting the message on exercise that it will launch a "Move for Health" campaign to boost public awareness. "The WHO encourages adults to take at least 30 minutes of moderate physical exercise a day, defined as any body movement that results in energy expenditure (消耗), " said Dr Danzon."This includes walking, cycling, playing, housework, climbing stairs as well as sports." He added that children should take at least 60 minutes of exercise every day. 1. The underlined phrase "couch potatoes" probably means______. A. lazy bones who spend a lot of time sitting B. people who like eating potatoes C. persons who usually rest on a couch D. players who take exercise with potatoes 2. Taking physical exercise every day benefits one's health in the following aspects except________. A. strengthening body coordination B. developing certain diseases and becoming obese C. keeping body balance D. keeping fit mentally 3. Which statement is NOT true according to the passage? A. Children should take more physical exercise than adults every day. B. The WHO has tried to improve people's knowledge about exercise by launching a campaign. C. People with an obesity epidemic in Britain seldom take regular exercise. D. Physical exercise brings the best possible profit to public health at the lowest cost. 4. Which of the following is probably the author's attitude towards "trybeforeyoubuy" salesmanship? A. Honorable. B. Favorable. C. Negative. D. Suspicious. |