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[高清字幕]Agriculture Report - Sides Debate Use of Genetically-Modified Crops in Africa

来源:慢速英语   时间:2014-10-08 08:59:44

Agriculture Report - Sides Debate Use of Genetically-Modified Crops in Africa

Supporters say it could increase food for people in Africa; opponents say GM crops are more costly and use more chemicals than traditional crops.

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