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新奇事件簿(翻译+字幕+讲解):有机食品营养价值没有优势

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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.

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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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重点单词   查看全部解释    
slightly ['slaitli]

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adv. 些微地,苗条地

 
reveal [ri'vi:l]

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vt. 显示,透露
n. (外墙与门或窗之间的

 
crystal ['kristl]

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n. 水晶,晶体
adj. 晶体的,透明的

 
population [.pɔpju'leiʃən]

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n. 人口 ,(全体)居民,人数

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evidence ['evidəns]

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n. 根据,证据
v. 证实,证明

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overwhelming ['əuvə'welmiŋ]

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adj. 势不可挡的,压倒的

 
margarine [.mɑ:dʒə'ri:n]

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n. 人造黄油

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conventional [kən'venʃənl]

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adj. 传统的,惯例的,常规的

 
alcohol ['ælkəhɔl]

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n. 酒精,乙醇,酒

 
revise [ri'vaiz]

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n. 校订,修正,再校稿
v. 校订,修正,校

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关键字: 健康 营养 食品 有机

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