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VOA慢速英语2010-Agriculture Report - Transgenic Crops Get

This is the VOA Special English Agriculture Report. American farmers first planted genetically engineered crops in nineteen ninety-six. Today eighty percent of the cropland for soybeans, maize and cotton in the United States is transgenic. Genetic en

发表于:2018-12-07 / 阅读(24) / 评论(0)

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VOA慢速英语2009-SCIENCE IN THE NEWS - Transgenic Monkeys Pro

VOICE ONE: This is SCIENCE IN THE NEWS, a program in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Shirley Griffith. This week, we will tell about a study involving monkeys and a gene from jellyfish. We will tell about an agreement to ban

发表于:2018-12-15 / 阅读(23) / 评论(0)

VOA慢速英语2009年（六）月

VOA慢速英语2016--“增压植物”或能大量增产

Supercharged Plants May Mean More Crop Production 增压植物或能大量增产 One day, supercharged plants may help feed people around the world. Supercharged plants are ones that grow faster than normal plant life. Scientists can speed up the gro

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SSS 2010-08-06

One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t

发表于:2019-01-08 / 阅读(49) / 评论(0)

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VOA慢速英语-Agriculture Report - Researchers Seek Drought-Resist

A team sees promise in genetically engineered tobacco, and hopes for similar results with other crops. Transcript of radio broadcast: 02 June 2008 This is the VOA Special English Agriculture Report. One cause of the current food crisis is drought. F

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VOA慢速英语2008年（六）月

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