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　第十八篇
　　Exercise Can Replace Insulin for Elderly Diabetics
　 　Most older people with so-called typeⅡdiabetes could stop taking insulin if they would do brisk exercise for 30 minutes iust three times a week，according to new medical research results reported in the Copenhagen newspaper Berlingske Tidende on Monday.
　　Results from tests conducted on diabetics at the Copenhagen Central Hospital Rigshospitalet's Center for Muscle Research showed that physical exercise can boost the body’s ability to utilise insulin by 30 per cent，the newspaper reported.
　　This is equal to1 the effect most elderly diabetics get from their insulin medication today，it said.
　 　Researchers had a group of non-diabetic men and a group of men with type II，all more than 60 years of age，exercise on bicycles six times a week for three months. After the three months the doctors measured how much sugar the test subjects’ muscles could utilise as a measure for how well their insulin worked.2
　　Associate Professor3 Dr. Hemming Dela of the Muscle Research Center said the tests demonstrated that the exercising diabetics had just as high insulin utilisation as the healthy non- exercising persons.
　　“This means that the insulin works just as well for both groups. Physical exercise cannot cure people of diabetes，4 but it can eliminate almost all their symptoms. At the same time it can put off5 the point at which they have to begin taking insulin or perhaps completely avoid insulin treatment，”Dela was quoted as saying.6
　　Insulin isa hormone produced by the pancreas，controlling sugar in the body and used against diabetes.
　 　Dela said that to achieve the desired effect diabetics need only exercise to the point where they begin to work up7 a sweat，but that the activity has to be maintained since it wears off8 after five days without sufficient exercise.
　　Most diabetics realise that they have to watch their diet while remaining unaware of9 the importance of exercise，Dela added.
　　词汇：
　　Insulin n.胰岛素 utilise(=utilize) vt.利用，使用
　　diabetic adj.(患)糖尿病的;n.糖尿病患者 medication n.药物，药物治疗
　　subject n.实验对象
　　diabetes n.糖尿病;多尿症 utilisation(=utilization) n.利用，使用
　　brisk adj.轻快的;活泼的，活跃的
　　Copenhagen n.哥本哈根(丹麦首都) saying n.格言
　　hormone n.激素
　　muscle n.肌肉 pancreas n.胰(腺)
　　注释：
　　1.be equal to：等于
　　2. as a measure for how well their insulin worked：作为测量他们的胰岛素工作状况如何的标志。从语法上分析，how引起的从句是for这个介词的宾语从句。
　　3.associate professor：副教授
　　4.…cannot cure people of diabetes：不能治好人们的糖尿病。cure sb.of sth.：给某人医治某病。例如：This medicine should cure you of your cold.这药准能治好你的感冒。
　　5.put off：推迟，延期
　　6.Dela was quoted as saying：Dela的话像格言一样被人们所引用。注意谓语是被动语态。
　　7.work up：逐步引起，激起
　　8.wear off：逐渐消失
　　9.(be) unaware of sth.：不知道，没觉察
　　练习：
　　1.How could most elderly type II diabetics stop taking insulin?
　　A By taking more salt.than usual.
　　B By taking less salt than usual.
　　C By doing brisk exercise for half an hour at least three times a week.
　　D By going climbing，swimming or boxing every day.
　　2.Physical exercise may increase the body ability to utilise insulin by
　　A 70 per cent. B 30 per cent.
　　C 60 per cent. D only a few per cent.
　　3.The subjects of the research tests conducted at the Copenhagen Central Hospital included
　　A elderly non-diabetic men. B elderly type II diabetic men.
　　C both sexes of all ages. D both A and B.
　　4.To what a degree have diebetics to exercise in order to achieve the desired effect?
　　A To the degree where they begin to sweat.
　　B To the degree where they feel exhausted.
　　C To the point when they feel thirsty.
　　D To the point when they have to take insulin.
　　5.According to Dela，among most diabetics the importance of exercise is the importance of watching their diet.
　　A as poorly understood as B as well understood as
　　C less understood than D better understood than
　　答案与题解：
　　1.C文章一开始就有此问题的明确答案。至于吃多少盐或者从事其他剧烈运动文章自始至终都没有提到。
　　2.B 文章第二段说到，体育锻炼能将身体利用胰岛素的能力提高30%。
　　3. D此题答案在文章第四段，实验对象既有II型糖尿病患者，也有健康人，而且都是60岁以上的男人。
　　4.A 文章倒数第二段说到，体育锻炼只要达到出汗的程度就能起作用。
　　5. C最后一段明确说到，大多数糖尿病患者知道必须注意饮食，但却并不知道体育锻炼的重要性