VOA慢速英语2013 灌溉的水带来疟疾

Irrigation Brings Malaria Along with Water 灌溉的水带来疟疾 From VOA Learning English, this is the Agriculture Report. 这里是美国之音慢速英语农业报道。 Irrigation systems can make a big difference in agricultural production. I

VOA标准英语2015--Tiny Camera Sees Inside Blood Vessels

Tiny Camera Sees Inside Blood Vessels Ahead of any surgical procedure, doctors try to learn as much as possible about the state of the organs they plan to operate on. A new camera developed in the Netherlands can now make that easier - giving surgeon

VOA双语新闻：7、以色列科学家荣获世界粮食奖

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

新视野大学英语视听说教程 4 Unit 3-13

Task 2: Drought in South Africa Script South Africa is heading for a disaster in the new year because of a drought. The water level at some dams have dropped below 20% while the ground water table has dropped by as much s 30 meters Emergency measure

六级词汇与结构练习（10）

坚持不懈，直到成功。 我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰

VOA慢速英语 2008 1118a

This is the VOA Special English Agriculture Report. Scientists are working to develop crop plants that can reduce the amount of water used for agriculture. Almost sixty percent of the world's freshwater withdrawals from rivers, lakes and other water

VOA标准英语2008年-Wendy Johnson Finds Enlightenment through Organ

In a quiet valley at Muir Beach, outside San Francisco, volunteer farmers till the soil, plant seedlings, and irrigate crops. They work alongside Zen monks and nuns, Western converts to an ancient Asian faith. This is where organic farmer and garden

VOA标准英语2010年-New Drug-Free Treatment Good for Heart

Dr. David Wilber performs a procedure called catheter ablation to treat patients with atrial fibrillation at Loyola University Medical Center in Illinois A relatively new procedure is proving to be more effective in treating patients with irregular h

VOA标准英语2012--Irrigation Pioneer Wins World Food Prize

Irrigation Pioneer Wins World Food Prize Hillels orchards near his home in Israel are innovation in action. Each tree row is fed by plastic tubes which drip water at the base of the tree. Irrigating drop by drop - called drip irrigation - has transfo

VOA标准英语2011-Climate Change Impacts India's Tea-Growin

In India's main tea-growing region, scientists say tea production is being impacted by climate change. India produces nearly one third of the world's tea. The rolling Himalayan hills in India's northeastern state, Assam, are carpeted with lush tea bu

能拍摄血管内部的微型摄像头

能拍摄血管内部的微型摄像头 Ahead of any surgical procedure, doctors try to learn as much as possible about the state of the organs they plan to operate on. A new camera developed in the Netherlands can now make that easier - giving surge

英语听力：自然百科 圣河之旅 The Nile尼罗河—35

I have a dancing horse. It dances, a horse, tell him. Would you buy it? -No, I do not want to buy a dancing horse. Producing the cotton for a single T-shirt can require more than 2,500 liters of water. So huge amounts of water are pumped out of the N

美国国家公共电台 NPR A Lazarus Patient And The Limits Of A Lifesaving Stroke Procedure

RACHEL MARTIN, HOST: About 800,000 people have strokes every year in the U.S. Most are caused when a clot blocks a blood vessel to the brain. We've known about strokes for a long time. But it wasn't until recently that doctors could do anything about

英闻天下——455 Over-exploitation of Groundwater

Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl

SCIENCE REPORT- Cheney/Heart

35 切尼副总统的心脏病治疗手术 DATE=3-14-01 TITLE=SCIENCE REPORT- Cheney/Heart BYLINE=Nancy Steinbach (Start at 1'00

HEALTH REPORT - Carotid Stent

HEALTH REPORT - Carotid Stent By Jerilyn Watson Broadcast: Wednesday, May 12, 2004 This is the VOA Special English Health Report. Strokes can take place when fatty material blocks the flow of blood th

VOA慢速英语2010年-Health Report - Treating an Abnormal H

This is the VOA Special English Health Report. A condition called atrial fibrillation produces an abnormal heartbeat. People feel their heart race and they lose their breath. It may last a few seconds, but it can get worse and worse with age, leading

VOA慢速英语2010年-Development Report - Growing Crops Wit

This is the VOA Special English Development Report. Scientists are working to develop crop plants that can reduce the amount of water used for agriculture. Almost sixty percent of the world's freshwater withdrawals from rivers, lakes and other water

CCTV9英语新闻：工农业污染影响饮水安全

The north China plain has always faced a shortage of water. As a result, people have been using underground water for a long time. But this continued use has severely depleted the water table, leading to a host of concerns. It is the sowing season. F

VOA标准英语2010年-US Doctors Create New Registry for Chi

The IMPACT registry stands for 'Improving Pediatric and Adult Congenital Treatment' and includes information about patients who do not undergo open heart surgery. Often they undergo catheterization, a procedure which uses a catheter, or narrow tube,