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以色列科学家荣获世界粮食奖 A pioneer who made arid lands bloom is the recipient of this year's prestigious World Food Prize. Daniel Hillel developed drip irrigation techniques that squeeze the most crop out of a drop of water, making far
VOA双语新闻 2012年10月
The Dry Lands In most peoples minds the term desert conjures up an image of undulating sand dunes beneath the hot sun. There are, however, many other kinds of desert. Antarctica, Greenland and the polar ice packs are cold deserts where the water is l
晨读英语美文60篇
Australia has promised to introduce the most comprehensive carbon trading program outside Europe in 2010. The government in Canberra plans to cut greenhouse gas emissions by at least five percent by 2020, but it could make bigger reductions if other
VOA标准英语2008年(十二月)
Climate Change Blamed for Dying African Trees A lot of trees are dying in Africas Sahel region and new study says climate change caused by humans is to blame. Whats more, many tree species are also disappearing. The study appears in the Journal of Ar
VOA标准英语2011年(十二月)
The Science of Climate Change Climate negotiators are meeting in Durban, South Africa beginning from November 28-December 9 to discuss the planet's changing climate. The first decade of this century was the hottest on record. Polar ice is melting. Gl
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hothouse 温室 scale up 放大，增加 proponent 倡导者 despoil 掠夺 verdant 碧绿的 semi-arid半干旱的 rigour 严格，严苛 monsoon 大雨，雨季 compost 堆肥 toll 旅行费，代价 tractor 拖拉机
雅思英语