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SSS 2010-07-21

The earths tropics teem with species. Theyre far more biologically diverse than the cooler parts of the planet. And scientists have credited higher temperatures and greater amounts of sunlight. But a new study claims that the secret to tropical biodi

发表于:2018-12-24 / 阅读(34) / 评论(0)

Scientific American(七)月

新视野大学英语视听说教程 3 Unit 7-7

MODEL2 Rainforests will soon be only a memory. Script Susan: Hey, Chris, there is an environmental group on campus asking for donations to save the rainforests. Chris: So what? Susan: So what?! Dont you want to save the rainforests? Chris: But therer

发表于:2018-12-29 / 阅读(33) / 评论(0)

新视野大学英语：视听说教程 3

Destruction of the Indonesian Forests

Broadcast: Jan 24, 2003 By George Grow This is the VOA Special English ENVIRONMENT REPORT. Two environmental groups blame dishonesty1 among Indonesian officials for the continued destruction of the co

发表于:2019-01-02 / 阅读(47) / 评论(0)

VOA2003（上）-社会广角

VOA慢速英语2010-Agriculture Report - Deforestation Decrea

This is the VOA Special English Agriculture Report. The United Nations Food and Agriculture Organization says deforestation has decreased over the past ten years. But it still continues at a high rate in many countries. Deforestation is mainly caused

发表于:2019-01-12 / 阅读(42) / 评论(0)

2010年VOA慢速英语(四)月

森林能帮着为世界提供粮食吗?

Can Forests Help Feed the World? 森林能帮着为世界提供粮食吗? Experts predict nine billion people will live on our planet by 2050. They say by that time demand for food will be two times what it is now. Officials are worried about that pr

发表于:2019-01-12 / 阅读(54) / 评论(0)

2015年VOA慢速英语(六)月

VOA慢速英语20060606a

AGRICULTURE REPORT - Study Finds Only Five Percent of Tropical Forests Are Being ProtectedBy Mario Ritter Broadcast: Tuesday, June 06, 2006 This is Shep O'Neal with the VOA Special English Agriculture

发表于:2019-01-30 / 阅读(57) / 评论(0)

2006年慢速英语（六）月

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