历年考研英语完型填空mp3(1995)

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VOA标准英语2012--Poverty Source of Tropical Infections in Texas, Gulf of Mexico

Poverty Source of Tropical Infections in Texas, Gulf of Mexico Chagas is an infectious disease transmitted by the kissing bug. The kissing bug looks a little bit like a cockroach but it has the ability to feed on blood and it lives in the very poor q

VOA标准英语2014--South Africa Sees Male Circumcision as Way to Reduce HIV Infections

South Africa Sees Male Circumcision as Way to Reduce HIV Infections JOHANNESBURG South Africa remains plagued by AIDS despite massive government and NGO efforts on prevention and life-sustaining Anti-Retro-Viral programs. The country has the highest

SSS 2009-10-07

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

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VOA慢速英语2010-Health Report - Hospital Infections in US

This is the VOA Special English Health Report. Hospitals not only treat infections -- they can also cause them. In the United States alone, the number of infections in hospitals is estimated at close to two million each year. About one hundred thousa

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HIV Superinfections Appear Common Theyre called HIV superinfections and a study indicates theyre much more common than first thought. Researchers say this raises concerns about possible resistance to treatment and may require new approaches to AIDS v

VOA标准英语2012--Campaign Aims to Help End Childhood HIV Infections

Campaign Aims to Help End Childhood HIV Infections A new campaigns been launched to help eliminate new HIV infections among children by 2015. Its called Believe it, Do it. Its estimated nearly 400,000 children become infected with the AIDS virus ever

VOA英语2010年-Daycare Infections May Help Kids Avoid Later

Around the world, a woman's place is increasingly in a factory or shop, a government ministry, or in front of a classroom. As more women work, their children often spend the day in childcare. And with that exposure to other children, it seems the kid

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Doctors say Treating Lung Infections in Elderly Patients is Problematic South Africans and admirers around the world expressed their feelings for Nelson Mandela, also known by his clan name of Madiba, the man identified with transforming South Africa

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GWEN IFILL: Patients, advocates and scientists are hailing new studies that show the value of getting AIDS drugs to people early and often. The three-decade-long fight against AIDS has seen a series of breakthroughs in recent weeks, showing momentum

VOA慢速英语20061220a

This is the VOA Special English Health Report. A boy with HIV at a children's home for AIDS orphans in Nairobi, Kenya AIDS researchers had important news last week. Two studies in Africa confirmed tha

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By Melinda Smith Washington 17 July 2007 Antibiotics are designed to fight a multitude of bacterial infections. But some infections -- such as those in the urinary tract -- have become resistant to many antibiotics. VOA's Melinda Smith reports on a r

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MILAN, Italy, Dec. 1 (Xinhua) -- Italy has a new HIV infection every three hours on average, the national department of health said in a statement during the World AIDS Day commemoration Thursday. According to the statement, there were about 3,000 ne

VOA标准英语2012--High-Tech Device Reduces Risk of Hospital Infections

High-Tech Device Reduces Risk of Hospital Infections This machine fires bursts of ultraviolet, or UV, light that penetrate the cells of micro-organisms and kill them. The organisms have no chance to adapt and gain immunity as they might with a chemic

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BEIJING, Nov. 22 (Xinhuanet) -- Global AIDS deaths and new HIV infections have each dropped 21 percent since the peak of the AIDS pandemic in 1997, according to a UN report released Monday. One major factor responsible for the result is that life-sav

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WASHINGTON, Sept. 27 (Xinhua) -- At least 13 people had been killed amid 72 sickened in 18 states in listeria outbreak traced to Colorado cantaloupes, making it the most deadly U.S. outbreak of food-borne infection since 1998, the Centers for Disease

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HIV/AIDS 艾滋病 A spectre returns 幽灵般的转机 The fall in HIV infections conceals a worrying rise among gay men 艾滋病感染率下降安抚了日益惶恐的男同性恋们 A TELEVISION campaign in the 1980s showed a volcano exploding an