内容正文:
导读 话题妙切入
UNIT 2 Be sporty,be healthy
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Too Much Exercise Is Harmful to Health .
Because it may injure the heart and arteries.
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谢谢观看 THANK YOU!
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1.Life is movement.
—Voltaire
生命在于运动。
——伏尔泰
2.Good health is always young.—Malft
身体健康者常年轻。
——马尔夫特
3.Life needs sports.
—Aristotle
生命需要运动。
——亚里士多德
4.Sport is the source of all life.
—DaVinci
运动是一切生命的源泉。
——达·芬奇
5.The development of sports improves the people's physical fitness.
—Mao Zedong
发展体育运动,增强人民体质。
——毛泽东
Health is more important than wealth.Good health enables us to enjoy our life and achieve what we hope for in our career.Today,more and more people are in poor health.If we want to keep healthy we should have a healthy diet.
First,we should have a balanced diet.Though we may not like eating vegetables,but the vegetables have a lot of nutrition.They are very good for our health.
Second,we'd better eat regular meals.We need to eat breakfast,lunch as well as dinner every day.Because regular meals throughout the day can give us enough energy to carry out our daily activities.
Third,we should get away from fast food,for it may cause a lot of diseases.
Scientists in Denmark have been studying over 1,000 joggers and nonjoggers for 12 years. The death rates from the sample group indicate that people who jog at a moderate pace two or three times a week for less than two and a half hours in total are least likely to die. The best speed to jog at was found to be about 5 miles per hour. The research suggests that people who jog more than three times a week or at higher speeds of over 7 mph die at the same rate as nonjoggers. The scientists think that this is because strenuous exercise causes structural changes to the heart and arteries(动脉). Over time,this can cause serious injuries.
Peter Schnohr,a researcher in Copenhagen,said,“If your goal is to decrease the risk of death and improve life expectancy,jogging a few times a week at a modera