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

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VOA标准英语2011--African Refugee Children at High Risk fo

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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.

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

VOA标准英语2012--HIV Superinfections Appear Common

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

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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

VOA标准英语2012--UNAIDS: Sharp Drop in New Infections

UNAIDS: Sharp Drop in New Infections The latest Global Report on HIV/AIDS says the number of new infections continues to fall, with the sharpest declines in the Caribbean and sub-Saharan Africa. The UNAIDS report says overall there are about 34-milli

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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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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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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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