跟读练习: Organic Foods Vs Non Organic Foods Explainer Video - 通过YouTube学习英语口语
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Why is there so much demand for organic food?
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Why is there so much demand for organic food?
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There is a growing demand for organic food around the world.
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This demand is due to the concerns about health, the environment, and animal well-being.
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Organic food is essentially a product of crops grown from soil
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that has not been treated with any prohibited substance for at least three years prior to the crops being planted.
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A prohibited substance is defined as any synthetic pesticide, herbicide, or fertilizer.
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These are very harmful to crops and also a detriment to your health as well.
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It is also apparent that non-organic foods have very high nitrate levels.
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Too much nitrate in the blood affects how it transports oxygen within the body.
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If levels make it to 20 to 50 parts per million, this is too high and oxygen levels will drop, making it difficult to breathe.
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Why some people prefer organic food?
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People prefer organic food for a variety of reasons.
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It's rich in vitamins and nutrients, there are lower pesticide levels, it is better for our ecosystem, it tastes better, reduces pollution,
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and does not contain any hormones.
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While organic goods are full of nutrients,
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vitamins, and antioxidants, there are many studies that have been unable to come to a clear resolution on this topic.
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For example, a study done by Harvard University found that organic produce did have the slight edge in food safety,
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with 30% lower pesticide residues than conventional foods.
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In general, pesticide levels in both organic and non-organic foods were within allowable safety limits.
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It's still not clear though, just what that means to consumers' health.
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As you can see, while organic food may win over consumers as far as pesticide levels go,
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there is still no definitive answer on how this implicates our health.
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Are organic foods healthier?
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A common misconception is that organic equals healthy.
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However, this is not always the case.
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There are some organic foods that have high levels of fat, sugar, and calories.
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If you're a soda drinker, these are still not good for you, despite the label saying it's organic.
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Common organic substitutes for soda are liquid cane sugar and brown rice syrup.
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These are still high in sugar and should not be consumed in large amounts.
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Other products that offer organic substitutes that aren't very healthy include ice cream, french fries, potato chips, and macaroni and cheese.
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Although some of these are fine in moderation, many of them are low in vitamins or high in fat.
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Organic ice creams are still high in calories
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and some frozen yogurt as a substitute is a much healthier choice and can still satisfy your sweet tooth.
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Just be mindful of the brand and read the labels carefully.
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Impact of organic food on our health.
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The validity of the organic is healthier argument is still up
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in the air since we are unsure of the effect that non-organic food has on our health.
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A Harvard study concluded that organic and non-organic foods both had pesticide levels that were within allowable safety limits.
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Nonetheless, there are some positives to eating organic that are worth highlighting.
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Organic foods have approximately 30% fewer pesticides.
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They are higher in vitamins and antioxidants, and they contain much lower nitrate levels than their non-organic counterparts.
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Not to mention, 84% of consumers in the U.S purchase organic food and 45% of them purchase it on a regular basis.
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The organic food market is growing in sales each day and it seems despite any inconclusiveness,
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the vast majority of consumers prefer to purchase organic food because of the preconceived value surrounding its name.
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Does your family eat organic?
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Tell us more about it in the comments.
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关于本课
您正在使用跟读技巧通过视频"Organic Foods Vs Non Organic Foods Explainer Video"练习英语口语和发音。
每天练习15到30分钟，将显著提高您的英语流利度和发音准确度。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。