Report: Environment and Food Needs Can be Met Agriculture has been a major driver of human-caused climate change, responsible for up to 30 percent of global greenhouse gas emissions. At the same time, its also extremely vulnerable to the effects of r

发表于:2018-11-29 / 阅读(113) / 评论(0) 分类 VOA标准英语2012年(十二月)

The descendants of longtime urban dwellers show increased genetically driven resistance to tuberculosis, due to evolutionary selection pressure over millennia. Christopher Intagliata reports 城市长久居住民的后代,经过数千年的自然选择

发表于:2018-12-07 / 阅读(96) / 评论(0) 分类 60秒科学

Health Report - What Happens When TB Becomes Untreatable? 健康报道 - 抗药性肺结核病蔓延 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 In December, doctors in Mumbai, India, reported about

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 2012年VOA慢速英语(二)月

In the oysters were raised in much the same way as dirt farmers raised tomatoes- by transplanting them. First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, then scattered clean shells about. Next, they planted f

发表于:2018-12-30 / 阅读(100) / 评论(0) 分类 考研背诵50篇

190. The resistance抵抗 resist-restriction The prisoner was brought into the questioning room for the umpteenth time. After being restrained to the chair, a uniformed officer said, It is of no use to be resistant. I have a great deal of respect for

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 胡敏托福词汇记单词

The United Nations is observing World Food Day (Saturday, Oct. 16). Food prices have been climbing in recent months because of bad weather in several major agricultural regions. Experts predict there will be more extreme weather as climate changes, j

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 VOA标准英语2010年(十)月

By Steve Mort Tampa, Florida 11 April 2007 Farmers in the United States say they are growing increasingly concerned about a mysterious shortage of honeybees. The U.S. government says it is investigating a dramatic decline in the bee population over

发表于:2019-01-09 / 阅读(102) / 评论(0) 分类 2007年VOA标准英语(四月)

Health Report - Groups Warn of Health Needs in Burma 健康报道 - 非政府援助组织对缅甸当前的卫生需求提出警告 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 In the past year, Burm

发表于:2019-01-12 / 阅读(107) / 评论(0) 分类 2012年VOA慢速英语(四)月

Ethiopian scientist was named on Thursday as the winner of the 2009 World Food Prize in an event at the U.S. State Department. Ejeta, a faculty member at Purdue University in the Midwestern U.S. state of Indiana, was honored for his work on drought

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2009年(六月)

Greek Election Could Decide Future in Eurozone The Greeks are getting well practiced at this. For the second time in six weeks, Sunday morning in Athens involves a journey to the voting booth. Its mid morning and Papagou, a well-off suburb near the c

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2012年(六月)

Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have

发表于:2019-01-13 / 阅读(68) / 评论(0) 分类 VOA标准英语2012年(五月)

The largest effort ever to protect global food supplies against climate change was announced Friday in Rome. One-fifth of the world's plants are threatened with extinction. It's Cary Fowler's mission to fight back. He's the executive director of the

发表于:2019-01-13 / 阅读(60) / 评论(0) 分类 VOA标准英语2010年(十二)月

Chocolate lovers around the world take note: two separate groups of scientists have unraveled the genetic code of your favorite sweet. It's good news for the millions of small farmers in Africa, Asia and Latin America whose livelihoods depend on the

发表于:2019-01-14 / 阅读(54) / 评论(0) 分类 VOA标准英语2010年(九)月

Sex Matters for Sleeping Sickness Microbes Scientists are keeping a close eye on the mating habits of microscopic organisms, including those that cause African sleeping sickness. They say what happens between two parasites can have major consequences

发表于:2019-01-14 / 阅读(53) / 评论(0) 分类 VOA标准英语2014年(一月)

Industrial Livestock Farms Linked to Staph As economies grow in developing countries, more of them are adopting a Western-style diet. That means eating a lot more meat. As a result, the number of industrial or factory livestock farms has increased. B

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2013年(七月)

By Daniel Schearf Beijing 29 October 2007 Officials with the Global Forum for Health Research say developing countries face a widening range of health problems due to changes in lifestyle. The officials say developing countries need to improve access

发表于:2019-01-19 / 阅读(75) / 评论(0) 分类 2007年VOA常速英语(十月)

By Caroline Sawyer Nairobi 09 August 2007 In Kenya, environmental researchers say they may have discovered a new, effective weapon to combat malaria. The disease kills more than 1 million people worldwide each year. Caroline Sawyer reports from our o

发表于:2019-02-02 / 阅读(98) / 评论(0) 分类 2007年VOA标准英语(八月)

By David McAlary Washington 14 March 2007 International financier George Soros is giving $3 million to help public health experts fight a lethal, drug-resistant form of tuberculosis in sub-Saharan Africa. VOA's David McAlary in Washington reports tha

发表于:2019-02-06 / 阅读(112) / 评论(0) 分类 2007年VOA标准英语(三月)

By Malcolm Brown Washington 03 September 2007 As it seeks to reduce the dangers faced by American troops in Iraq, the U.S. military is turning to technology originally devised by the apartheid-era government of South Africa to counter similar threats

发表于:2019-02-08 / 阅读(90) / 评论(0) 分类 2007年VOA标准英语(九月)

By Jessica Berman Washington 01 November 2007 A coalition of international public health officials says drug-resistant tuberculosis is a man-made epidemic caused by a lack of global response to TB. The officials say more resources are needed to fight

发表于:2019-02-17 / 阅读(52) / 评论(0) 分类 VOA常速英语2007年(十一月)