(单词翻译:单击)
听力文本
Scientists have revealed that organic and non-organic food contain pretty much the same amounts and kinds of vitamins and other nutrients. This might be surprising news for those of us who choose to buy organic believing it to be healthier. Researchers from America's Stanford University concluded that there might not be any extra health benefits to buying organic, thus people might be better off saving their money and buying non-organic produce. Lead researcher Dr Crystal Smith-Spangle said there was no difference in the vitamin content in fruit, vegetables, meat and dairy products in organically- and conventionally-produced food. She said the only difference was slightly more phosphorus in the organic products.
Dr Smith-Spangle's review of over 200 different reports on organic food suggests people should perhaps revise their shopping choices, based on the levels of pesticides. Smith Spangler said both organic and conventional foods rarely exceeded the allowable limits for pesticides in the USA. She said the evidence wasn't too clear on whether the difference in pesticides would have an effect on health. She concluded by saying consumers should know there is overwhelming evidence that eating fruit and vegetables is good for your health, so people should eat more fresh produce, whether it is organic or conventional. Organic foods accounted for $31 billion in sales in the USA last year, up from $3.6 billion in 1997.
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词汇学习
1.reveal vt.显露；揭露
Experts reveal only as much as they care to.
专家们只透露了他们想透露的那些。
2.conclude vt.得出结论
Larry had concluded that he had no choice but to accept Paul's words as the truth...
拉里断定自己别无选择，只能当保罗的话是真的。
3.content n.含量
Sunflower margarine has the same fat content as butter.
向日葵所制人造黄油的脂肪含量与黄油脂肪含量相同。
4.slightly adv.轻微地
Blake jumped in expertly; the boat dipped slightly under his weight.
布莱克很熟练地跳上了船，他的重量使小船微微向下沉了沉。
5.revise vt.修订；改变
I can see I will have to revise my opinions of his abilities now.
我明白我现在不得不改变对他的能力的看法了。
6.conventional adj.传统的；习用的
He hates the wheeling and dealing associated with conventional political life.
他对传统政治生活中的权术钻营深恶痛绝。
7.exceed vt.超过；超越
Your intake of alcohol should not exceed two units per day.
每天的饮酒量不应超过两个计量单位。
内容解析
1.people might be better off saving their money and buying non-organic produce.
be better off境况好，生活更好
We'd be better off without them as neighbours.
要是没有这家邻居，我们就过得更愉快了。
2.Organic foods accounted for $31 billion in sales in the USA last year, up from $3.6 billion in 1997.
account for（在数量、比例上）占
Together they account for less than five per cent of the population.
他们总共占不到总人口的5%。
参考翻译
科学家表示，有机食品和非有机食品含有的维生素和其他营养物质的种类和数量几乎相同。对于选择购买有机食品，认为有机食品更加健康的人来说是一个出人意料的消息。来自美国斯坦福大学的研究人员得出结论，购买有机食品或许不会产生额外的健康功效，因此人们可以通过购买非有机农产品来省钱。首席研究人员Crystal Smith-Spangle博士表示，有机方法生产的水果，蔬菜，肉类和奶制品与传统方法生产的产品并没有不同。她表示，唯一的区别就是有机产品中的磷稍微多一点。
Smith-Spangle博士对关于有机食品的200多份报告进行重审发现，人们应该根据杀虫剂残留水平调整购物选择。Smith Spangler表示，美国的有机食品和传统食品杀虫剂含量几乎都不会超标。她表示，关于杀虫剂含量的不同是否会对健康产生危害并没有非常明确的证据。她得出结论，消费者应该知道，大量证据表明多吃蔬菜和水果有益健康，因此人们应该吃更多新鲜的农产品，无论是有机方法还是传统方法生产的。去年有机食品在美国的销售额达到310亿美元，而1997年只有36亿美元。
