VOA慢速英语 2008 1209a

This is the VOA Special English Agriculture Report. A new study says almost forty percent of China is losing soil because of wind and water erosion. The Chinese government recently announced the results of a three-year study. The study was the large

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[00:01.44]In fact, it is you who have the most important [00:04.66]role to play in stopping Yellow River erosion. [00:08.19]Did you know the importance of your 5 yuan? [00:11.40]For a start, it can buy you a tree, [00:13.86]which will help make soil

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One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

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2a [00:03.95]Listen and circle the words you hear. [00:06.47] [00:07.42]OK,now I want to hear everyone's [00:10.62]predictions about the future. [00:12.83]Well,I think there will be more people. [00:16.52]More people? [00:18.60]OK,what else? [00:20.2

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Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that

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图片1 rot v. （使）腐烂，（使）腐败n. 腐烂，腐败 例句：Some of rubbish rots away over a long time. 有些垃圾时间久了就烂掉了。 rotten adj. 腐烂的，恶臭的，堕落的，风化的，虚弱的 例句：This place

学个词 Learn a Word-VOA英语教学 3155 erosion

今天我们要学的词是 erosion。 Erosion 的意思是侵蚀、腐蚀。A new high-speed rail station linking Hong Kong and mainland China opened under Beijing authority, raising new worries among Hong Kong residents of a further erosion of the

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(MA) Now, you've been reading articles about the tremendous damage done to life and property by earthquakes. That's why seismologists have been working so hard to develop methods of earthquake prediction. We can now predict earthquake [assertively]

VOA慢速英语 2007 0306a

This is the VOA Special English Agriculture Report. To call something marginal means it is not very good. Farmers have their own way to define marginal land: It is the last to be planted under good conditions, and the first to be avoided under poor c

VOA慢速英语 2007 1106a

AGRICULTURE REPORT - Farming Marginal Lands By Mario Ritter / Broadcast: Mon, 5 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. An Australian farmer stands on land damaged by lack of rain last year To call land marginal mea

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Agriculture Report - In Africa, the Greening of the Sahel This is the VOA Special English Agriculture Report. Niger is located in the Sahel area south of the Sahara. The west African country is largely hot, dry desert. But since the nineteen eighties

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By Gilbert da Costa Abuja 31 October 2009 Massive environmental degradation has been the subject of heightened concern across southeast Nigeria as the region continues to be plagued by an erosion crisis that has grown worse over the years. Driving a

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岩石圈LITHOSPHERE 固态地球SolidEarth 洞穴Caves 地震活动Seismicactivity 地震监测Seismicmonitoring 火山Volcanoes 风蚀Winderosion 陆地生态系统TERRESTRIALECOSYSTEMS 土壤Soils 农

2006年VOA标准英语-Researchers Make First Sunspot Prediction

By David McAlary Washington 07 March 2006 NCAR scientists Mausumi Dikpati (left), Peter Gilman, and Giuliana de Toma examine results from a new computer model of solar dynamics Researchers predict tha

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20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

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BEIJING, July 12 (Xinhua) -- The Asian Development Bank (ADB) on Thursday lowered its prediction for China's economic growth to 8.2 percent in 2012 and 8.5 percent in 2013, although a bank official said a hard landing is unlikely. The ADB made the re

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Dr. Wangari Muta Maathai was born in 1940 in a village in Kenya. In 2004, she became the first African woman to receive the Nobel Peace Prize. The judges valued her contribution to sustainable development, democracy and peace. She was also a member o

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US Scientists working on new ways to battle the erosion that threatens Louisiana's coastline have a dramatic new tool: a massive replica of the lower Mississippi River. The multi-million US dollar model, complete with flowing water, aims to isolate t