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大学体验英语综合教程第三版2unit6.doc


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—————————————————————————————————大学体验英语综合教程第三版 2unit6 U6P1 Lead in Physical activity improves our bodies' health. A recent study publishedin The New England Journal of Medicine, suggests that maintaining a healthy level of physical fitnessthrough exercise can help people live longer; and the findings also provide updated supportto Charles Darwin's "survival of the fittest" theory. But repetitive exercise can e boring, leading todiscouragement, frustration, even quitting. Selecting an activity that provides enjoymentas well as physical exercise, however, can be the answer. Many people have turned to sports. Sports can provide a challenge physically as well as mentally - and increase one's physical activity while providing social interaction, a sense of plishment and enjoyment. First held as part of the 1896 Olympics in Athens, Greece, and then brought to Boston, Massachusetts in 1897, the Marathon is now an important part of culturein many cities across America. Marathon running, usually a 40k ( miles) race, is ing increasingly popular with both men and women for its challenge of perseverance, requiring both physicaland mental endurance, and its feat of plishment. For first-time runners it is the culmination ofa dream -a personal ————————————————————————————————— goalobtained after months of physical and psychological preparationand training. For veteran marathon

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