大学英语自学教程 上册 un16

[04:16.50]are realizing that there is a connection between heart disease and the way they live.
[04:20.77]在心脏病和他们的生活方式之间存在一种联系。
[04:25.04]As a result of this new awareness,attitudes toward health are changing
[04:28.81]由于有了这种新的认识，对待健康的态度正在改变。
[04:32.59]In the past,
[04:34.52]过去人们总是认为，
[04:36.45]people tended to think that it was sufficient for good health to have a good doctor who could be relied on to know exactly what to do when they became ill.
[04:42.93]要想身体好，能依靠个好大夫，生病的时候准确地知道怎么做就足够了。
[04:49.41]Now they are realizing that merely receiving the best treatment for illness or injury is not enough.
[04:54.94]现在他们认识到，生病或受伤的时候仅仅接受最好的治疗是不够的。
[05:00.46]They are learning that they must take more responsibility for their own health.
[05:04.68]他们正在懂得，他们应为自己的健康承担起更多的责任。
[05:08.90]Today many people are changing their dietary habits and eating food with less fat and cholesterol.
[05:14.07]今天很多人正在改变他们的饮食习惯并且吃含有较少脂肪和胆固醇的食物。
[05:19.24]Many are paying more attention to reducing stress in their lives.
[05:22.96]很多人注意减轻他们生活的紧张程度。
[05:26.69]The number of smokers in the United States is now far below the level of twenty years ago
[05:32.42]现在美国吸烟的人的数目比20年前少得多，
[05:38.16]as many people succeed in breaking the habit and as fewer people take it up
[05:42.69]因为很多人成功地戒掉了吸烟的习惯和更少的人染上吸烟的习惯。
[05:47.22]More and more people are aware of the benefits of regularexercise like walking,
[05:51.61]越来越多的人认识到经常进行锻炼，如走路、
[05:56.00]running,or swimming;
[05:58.18]跑步或游泳的好处。
[06:00.36]some have begun to walk or ride bicycles to work instead of driving.
[06:04.08]有些人已经成不再开车，而是步行或骑自行车去上班。
[06:07.80]Millions have become members of health clubs
[06:10.44]几百万人已成为健康俱乐部的会员，
[06:13.08]and have made health clubs one of the fastest growing businesses in the united States today.
[06:17.56]使健康俱乐部成了当今美国发展最迅速的事业之一。
[06:22.04]And now the benficial effects of thess changing attitudesand behaviors are beginning to appear;
[06:26.96]这些态度和行为的转变现在已经开始显示出有益的效果：
[06:31.89]an encouraging decrease in deaths from heart disease.
[06:35.43]因患心脏病而死亡的人数令人感到鼓舞地减少了。
[06:38.97]Text B
[06:41.89]Dieting Your Way to Health
[06:43.92]节食，通向健康之路
[06:45.94]Almost everyone considers going on a diet sometime in his or her life
[06:49.03]几乎每个人都在一生中某个时刻都会考虑节食。
[06:52.11]All, regardless of sex and age,
[06:54.34]所有的人，不管年龄特和性别，
[06:56.57]have something in commonlosing weight and losing it fast.
[06:59.54]都有一个共同之处———这就是减轻体重，并且减得快些。
[07:02.50]Though their common aim may seem basically good,
[07:04.92]虽然他们的共同目的看来基本是好的，
[07:07.34]they probably do not realize that misguided dieting
[07:09.96]但他们大概没有认识到，误导的节食
[07:12.59]can do more harm than good to their health:
[07:14.87]对身体健康的害处可能比好处大。
[07:17.16]Going on too strict a diet
[07:19.08]过分节食
[07:21.00]can destroy the balance of chemicalsin the human body.
[07:23.43]能够破坏身体内部化学成分的平衡。
[07:25.86]This happens because when the body is suddenly given much less food than usual,
[07:28.98]这种现象之所以发生是因为如果供给身体的食物突然比平常减少许多，
[07:32.10]it feels as though it is being attacked
[07:34.18]身体会感到它仿佛受到攻击，
[07:36.25]and tries hard to protect itself by saving energy.
[07:38.93]于是就努力节省能量来保护自己。
[07:41.61]It does this by slowing down metabolism,
[07:44.18]它这样做是通过减缓新陈代谢，
[07:46.76]the process by which the food we eat is converted into energy.
[07:49.68]即食物转化成能量的过程。
[07:52.61]As energy is supplied to the body at a slower and slower rate,
[07:55.59]由于能量供给身体的速度愈来愈慢，
[07:58.56]dieters gradually become so weak that they can do nothing.
[08:01.29]节食者们的身体就日渐衰弱，以至什么事情都无力去做。