(单词翻译:单击)
听力文本
For many years, the nutrition message has been "five a day" – the recommendation that five portions of fruit and vegetables are enough to keep disease at bay and help us to live longer. That advice has been revised upwards. A new study suggests that people who get seven or more portions a day are healthier. Researchers from University College London studied the dietary habits of 65,000 adults over a seven-year period. They concluded that: "A robust inverse association exists between fruit and vegetable consumption and mortality, with benefits seen in up to 7-plus portions daily." In other words, if you eat more fruit and vegetables, chances are you live longer.
The researchers put people into five different groups, depending on how much fruit and veg they ate. They found that those who ate seven or more portions a day had a 42 per cent lower risk of death than those whoate just one portion. They recommended that schools serve healthier meals and that supermarkets put more emphasis on prominently displaying cheaper produce. They warned that frozen and canned fruit was linked to higher mortality rates. Some experts say the findings of the study should be taken with a pinch of salt. One dietician said the findings ignored the fact that people who eat more fruit and veg are generally wealthier and thus lead lifestyles that will help them live longer anyway.
中文翻译
许多年以来，我们都认为是“每天五种”，每天摄入五种水果和蔬菜能够让我们远离疾病，并帮助我们长寿。如今，这一建议有所修改。一项新的研究表明每天摄入7种或7种以上更为健康。伦敦大学的研究人员用了7年多的时间对6万5000名成年人进行了饮食习惯的研究。他们的结论是：“水果与蔬菜的结合对人体更加健康，每天食用7种或7种以上的水果和蔬菜最佳。换句话说，如果你食用的水果和蔬菜多，那么你更有机会活得长久。
研究人员将研究对象进行了5种分类，依据的是他们摄入水果和蔬菜的数量。他们发现那些每天摄入7种或者7种以上人群的死亡率比那些只吃一种的人群减少了42%。他们还建议学校要提供更加健康的食物，超市应该销售一些价格更为便宜的健康食物。他们还警告说冷冻以及罐头水果能够增加人们的死亡率。许多专家认为这一研究发现值得怀疑。一位营养学家认为这一发现忽略了一个事实，这就是食用更多水果和蔬菜的人更加健康，这样的生活方式让他们活得更长。
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重点讲解
1.keep sth at bay 远离
Roffer thinks it would be wise for people in Florida to lay out booms—long, buoyant tubes that can encircle sensitive areas to keep oil at bay.
若菲尔认为明智的做法是在佛罗里达州布置水栅——这种有浮力的管子可以将石油隔离在海湾内，远离敏感的海岸。
2.dietary habits 饮食习惯
In a study published in the journal Epidemiology, the team compared the dietary habits of 465 people with chronic kidney disease and 467 healthy people.
在《流行病学》杂志发表的一项研究中，科学家对有慢性肾病的465人和健康的467人的饮食习惯进行比较。
3.put emphasis on 重视
We really put emphasis on independence. But dependence is a biological fact.
我们过多地强调独立，但是依赖是一个生物学的事实。
4.be linked to 与…连接
Services can be linked to the information artifacts that they depend on, and be visible to both the service architect and the data architect.
服务可以被链接到它们依赖的信息工件上，且它们对服务架构师和数据架构师都是可见的。
听力题目
1.For how long has a message been "five a day"?
a) after "four a day" was too old
b) 17 hours
c) as long as time itself
d) many years
2.What do fruit and vegetables keep at bay?
a) vegetarians
b) disease
c) ships
d) meat
3.How many people's dietary habits did researchers look at?
a) 650,000
b) 6,500
c) 65,000
d) 16,500
4.What was there an inverse association between?
a) eating fruit and vegetables and
mortality
b) fruit and vegetables
c) vegetables and fruit
d) the researchers
5.Where were benefits seen?
a) lifestyles
b) supermarket profits
c) in people eating 7 portions a day
d) farmers' happiness
6.Into how many groups did researchers put people?
a) 4
b) 5
c) 6
d) 7
7.How much lower was the risk of death with a "seven a day" diet?
a) 114%
b) 24%
c) 14.2%
d) 42%
8.Who did the researchers recommend serve better meals?
a) schools
b) fast food restaurants
c) hotels
d) supermarkets
9.What should be taken with a pinch of salt?
a) celery
b) some vinegar
c) the findings of the study
d) high blood pressure
10.Who leads healthier lives because of better lifestyles?
a) canned fruit company bosses
b) richer people
c) the researchers
d) vegetarians
听力答案
1.d
2.b
3.c
4.a
5.c
6.b
7.d
8.a
9.c
10.b
