单词：tropical forests
单词：tropical forests 相关文章
Tropical forests in the world The world's forests are disappearing.As much as one third of the total tree cover has been lost, since agriculture began some ten thousand years ago.The remaining forests are home to half of the world's species,thus beco
大学英语六级听力短文
Vines Overwhelming Trees in Rain Forests Tropical rain forests in the American Hemisphere and other regions of the world are changing rapidly. Studies conducted over recent decades indicate that increasingly, most of the trees in South and Central Am
VOA标准英语2011年(九月)
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
VOA2003（上）-社会广角
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
2015年VOA慢速英语(六)月
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
2006年慢速英语（六）月
亚热带生态系统Sub-tropicalecosystems 温带森林Temperateforests 温带林地Temperatewoodlands 树木Trees 热带生态系统Tropicalecosystems 热带森林Tropicalforests 热带森林生态系统
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