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VOA慢速英语 2008 1209a

时间:2009-01-05 06:30来源:互联网 提供网友:jy03334434   字体: [ ]
    (单词翻译:双击或拖选)
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 erosion1. The Chinese government recently announced the results of a three-year study. The study was the largest of its kind since China became a communist nation in nineteen forty-nine.
 
A worker harvests rice in Yunnan province, in southwestern China

Researchers found that China has three and one-half million square kilometers of eroded2 land. Water has eroded more than one and one-half million square kilometers of that territory. Wind has damaged almost two million square kilometers.

The researchers blamed farming and the clearing of forests for much of the damage. Rural3 areas are not the only ones losing soil. Land is also being affected4 in cities and near mines and factories.

The researchers say that every year, four and one-half billion tons of soil are washed or blown away. At that rate, they say, grain production in northeastern China could decrease forty percent within forty to fifty years. The country depends on that area for grain; the northeast is often called China's breadbasket.

The research team estimates5 that erosion has cost China at least twenty-nine billion dollars in economic losses since two thousand. The team also says that seventy percent of China's poor live in areas damaged by soil loss.

Xinhua, the official news agency6, reported that the team said China is in a worse situation than many other countries suffering from soil erosion. These include India, Japan, the United States and Australia.

Land sometimes becomes desert and can no longer support plants. This process is called desertification. A study published earlier this year suggested that climate change has been a major cause of this in China. The paper appeared in Earth-Science Reviews in June.

Scientists say more than ninety percent of grasslands7 in northern China have decreased in quality as a result of desertification. Dried lakes in the north produce most of the dust that affects life for people in cities like Beijing and Tianjin.

Still another problem for China has been flooding along the Yangtze River. Widespread flooding took place in the late nineteen nineties. After that, the government limited tree cutting along the sides of mountains near the river.

And that’s the VOA Special English Agriculture Report, written by Jerilyn Watson. Archives of our reports are at voaspecialenglish.com. I’m Jim Tedder8.


点击收听单词发音收听单词发音  

1 erosion NoGxQ     
n.腐蚀,侵蚀,磨损,削弱,减少
参考例句:
  • The erosion of beach here is serious.这里海岸的腐蚀很严重。
  • Drought and soil erosion had long been a major problem.干旱和水土流失一直是个老大难问题。
2 eroded f1d64e7cb6e68a5e1444e173c24e672e     
adj. 被侵蚀的,有蚀痕的 动词erode的过去式和过去分词形式
参考例句:
  • The cliff face has been steadily eroded by the sea. 峭壁表面逐渐被海水侵蚀。
  • The stream eroded a channel in the solid rock. 小溪在硬石中侵蚀成一条水道。
3 rural OC8za     
adj.乡下的,田园的,乡村风味的
参考例句:
  • He lived a rural life.他过着田园生活。
  • We left the city for a rural home.我们离开城市,去农村安家。
4 affected TzUzg0     
adj.不自然的,假装的
参考例句:
  • She showed an affected interest in our subject.她假装对我们的课题感到兴趣。
  • His manners are affected.他的态度不自然。
5 estimates d72749910e71e75279b310239e18f36f     
估计
参考例句:
  • Unofficial estimates put the figure at over two million. 非官方的估计数字为200万以上。
  • We got estimates from three different contractors before accepting the lowest. 我们得到3个承包商的报价后,接受了最低的报价。 来自《简明英汉词典》
6 agency iKcy0     
n.经办;代理;代理处
参考例句:
  • This disease is spread through the agency of insects.这种疾病是通过昆虫媒介传播的。
  • He spoke in the person of Xinhua News Agency.他代表新华社讲话。
7 grasslands 72179cad53224d2f605476ff67a1d94c     
n.草原,牧场( grassland的名词复数 )
参考例句:
  • Songs were heard ringing loud and clear over the grasslands. 草原上扬起清亮激越的歌声。 来自《现代汉英综合大词典》
  • Grasslands have been broken and planted to wheat. 草原已经开垦出来,种上了小麦。 来自《简明英汉词典》
8 tedder 2833afc4f8252d8dc9f8cd73b24db55d     
n.(干草)翻晒者,翻晒机
参考例句:
  • Jim Tedder has more. 吉姆?特德将给我们做更多的介绍。 来自互联网
  • Jim Tedder tells us more. 吉姆?泰德给我们带来更详细的报道。 来自互联网
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TAG标签:   VOA慢速英语  VOA  voa special englis
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