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　托福写作素材模板：有机食品和健康

　　素材段落

　　Organic food is much healthier than conventional food due to its higher levels of antioxidants and lower levels of pesticides. Antioxidants have been linked to a lower risk of cancer and other diseases in humans. Scientists have discovered that organic food contains an average of 17% more antioxidants than conventional food. The reason for this is because plants naturally produce antioxidants to defend themselves against pests and diseases. When pesticides are applied to plants, they lose their need to generateantioxidants for their own defenses. It is also important to note that pesticide residues are found to be three to four times more likely on conventional food as compared to organic food. This data is based on a recent study conducted by Dr. Benbrook from the Center for Sustaining Agriculture and Natural Resources at Washington State University. Pesticide residues can cause dizziness and headaches (as their acute effects) and neurological problems and birth defects (as their long-term effects).

　　单词和词组

　　defend … against … 防御、抵制

　　=protect/safeguard … from …

　　? defend national security against invasion

　　generate 产生、形成

　　=produce, form, create

　　? Nuclear energy, instead of fossil fuels, should be used to generate electricity in future years.

　　话题词汇

　　有营养的 nutritious

　　改善健康 improve health

　　养成健康的饮食习惯 form a healthy diet

　　有机食品 organic food

　　垃圾食品 junk food

　　转基因食品 genetically-modified food

　　危及身体健康 endanger physical fitness

　　危害心理健康 undermine mental health

　　提供有效的治疗方法 provide an effective cure for

　　适用考题

　　? People will spend less time cooking food in twenty years. (2015.3.7)

　　? The food we eat today is much healthier than the food we ate in the past. (2011.1.8)

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