VOA英语2010年-Early HIV Treatment Saves Lives

A review of the guidelines for HIV treatment in poor countries finds priority should go to starting that treatment early. What we learned from a clinical standpoint, as well as a cost-effective standpoint, is that earlier anti-retroviral therapy impr

2007年NPR美国国家公共电台一月-A Broken Foot, an Artificial Leg, and a R

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

闭着眼睛飘单词 四级词汇5

[0:0]arithmetic arouse arrange算术 引起,唤起 安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留 人工的,人造的 艺术的,美术的 方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集 立法机构,议会 对...估价 人价值的,优点 [2:22.6436]as

创新英语-Scientists Create Energy-Making Artificial Leaf

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

VOA标准英语2015--Researchers Create Artificial Skin With Sense of Touch

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

新目标初中英语九年级--Unit 7 Where would you li

Unit 7 Where would you like to visit? [00:04.88]SECTION A [00:07.84]1b Listen.Where would San,Gina,and Lydia like to go on vacation? [00:17.71]Why?Fill in the chart. [01:00.55]2a Listen and number these statements in the order that you hear them. [01

学英语 03 Losing Baggage

My baggage is gone. I went the lost and find. The clerk asked me to show the baggage claim tag and air ticket. I filled out a form and the clerk told me I can make the claim for compensation with the document, if I didnt get my baggage back in three

60秒科学:Artificial Muscle Brings Back Blink

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

2007年VOA标准英语-Irbil Water Treatment Plant a Model for the Reg

By Brian Padden Irbil, Iraq 27 September 2007 Recent outbreaks of cholera in parts of Iraq highlight the need for basic services like clean water.Development projects in much of the country have been delayed because of the deteriorating security situ

2007年VOA标准英语-Report: AIDS Treatment Targets Hampered by Lack

By Tendai Maphosa London 18 July 2007 Global AIDS treatment will fall far short of a target to have five million people in Africa being treated in the next few years. A new report reveals that the continued lack of access to drugs by many of the worl

VOA标准英语2010年-Early AIDS Treatment Saves Lives, Mone

A new study of HIV-infected people in Haiti indicates that starting treatment early could save many patients who might otherwise die of AIDS. And starting anti-AIDS medicines earlier might also save money. The World Health Organization currently reco

VOA标准英语2010-Starting AIDS Treatment Much Earlier May

Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body

Artificial Leaf Turns Sunlight into Electric Power

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

VOA标准英语2011--Artificial Blood Vessels Work Well, Have

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

VOA常速英语2007-Study Finds Heart Treatment for US Women Less Ag

By Carol Pearson Washington 04 October 2007 Experts say heart disease and stroke are the leading cause of death among women throughout the world. Yet, a new study by Duke University in North Carolina shows, as in much of the world, women in the U.S.

VOA常速英语2008年-Rat Study Links Weight Gain to Artificial Sweet

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

学个词Learn a Word 第1713-artificial

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前，The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

60秒科学:Apnea Treatment Improves Golf Game

Apnea Treatment Improves Golf Game A study presented at CHEST 2009, the meeting of the American College of Chest Physicians, found that golfers with apnea who got treatment lowered their handicaps by as much as three strokes. Steve Mirsky reports The

2007年VOA标准英语-Hagel, Gingrich Consider US Presidential Bids

By Jim Malone Washington 09 March 2007 Two more notable Republicans are considering a run for U.S. president next year. We have details from VOA National correspondent Jim Malone in Washington. Nebraska Senator Chuck Hagel and former House Speaker N

VOA标准英语2011--Artificial Speech Mimics Real Thing

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境 未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚