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A rich fishery in Southeast Asia is at risk because of overfishing, pollution and hydroelectric dams. The Tonle Sap is a freshwater lake in the middle of Cambodia. The lake shrinks and expands by thousands of kilometers, depending on the season. The
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本讲为2005年下半年新的教学内容，请对照教材听录音！ plant species are not the only forms of life (threatened with ___ (extinct) in the rainforest). Threaten … with …. He thre
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Locusts are threatening to inflict more pain on some of the most drought-ravaged parts of eastern Australia. Hundreds of farmers have found beds of locust eggs and officials fear that many more have not been reported. Officials have said that recent
VOA标准英语2008年（七月）
Severe Drought, Wildfires Threaten Water Resources This is Valles Caldera. Actually, it's the giant mouth of a dormant super volcano that last erupted 40,000 years ago. In the millennia since then, the terrain developed high-elevation forests, of abu
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By Meredith Buel Islamabad 06 February 2008 Military and political analysts in Pakistan are expressing growing concern that al-Qaida and Taliban-linked insurgents are now emerging from their traditional strongholds along the border with Afghanistan a
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By Paul Sisco Washington 07 May 2008 Nepal's government and the non- profit World Wildlife fund are launching a new appeal to save the critically endangered one-horned rhino. Paul Sisco reports.
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