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雅思口语考官观点:转基因食物

雅思口语考官观点:转基因食物

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  Genetically-Modified (GM) foods: Advantages转基因食物:优势

  Farmers can produce crops that grow bigger and faster

  Some GM crops are more resistant to disease or insects

  This could be important for food production in developing countries

  Faster growing cereals, fruit and vegetables will mean more profit

  GM foods can be modified to look perfect

  They may be more attractive to customers

  Genetically-Modified (GM) Foods: Disadvantages劣势

  There may be risks involved in the genetic engineering of foods.

  GM crops might change whole ecosystems

  Food chains could be broken if crops are resistant to predators

  Organic foods are produced without chemicals or genetic modification

  Organic farming may be slower and more expensive

  However, the environment is not damaged by fertilizers or pesticides.

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