新概念英语第二册Lesson 68 Persistent

Lesson 68 Persistent 纠缠不休 First listen and then answer the question. 听录音，然后回答以下问题。 Why did Elizabeth tell Nigel that she was going to the dentist? I crossed the stree

VOA标准英语2012--Common Infection Raises Female to Male HIV Risk

Common Infection Raises Female to Male HIV Risk A common bacterial infection among women in sub-Saharan Africa sharply increases the risk of HIV transmission to men. Researchers say current treatments provide only a short-term solution. Its long been

美国国家公共电台 NPR For Gideon, Infection With a Common Virus Caused Rare Birth Defects

RACHEL MARTIN, HOST: Today in Your Health, we're going to take a look at a virus that can cause severe birth defects. Yes, as if Zika weren't scary enough, right? But this is something else. It's a virus called CMV, which causes disability for as man

SSS 2010-02-19

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

办公室英语口语第106期:A persistent saleswoman 执着的

A persistent saleswoman A: I dont have any time to spare, Jenny. B: I understand youre a busy man, Mr. Black. I just wanted to show you these samples. A: No, Im sorry. Ive told you I dont have any more time and I mean it. Im afraid youre going to hav

Tea May Help Fight Infection

Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto

VOA常速英语2008年-Report: TB Infection Rates in Africa Have Doubl

By Scott Bobb Johannesburg 24 March 2008 As the world marks international Tuberculosis day, a new study has revealed a frightening rise in the past 15 years in tuberculosis cases in Africa. Correspondent Scott Bobb reports from our Southern Africa Bu

VOA慢速英语2014 Breast Cancer Drug Fights Infection in HIV/AIDS Patients 一种乳腺癌药物对艾滋病病毒也有一定的抗感染作用

Breast Cancer Drug Fights Infection in HIV/AIDS Patients 一种乳腺癌药物对艾滋病病毒也有一定的抗感染作用 From VOA Learning English, this is Science in the News. Im Faith Lapidus. And Im Steve Ember. Today on the program, we tell

2006年VOA标准英语-Report Shows Drop in Zimbabwe's AIDS Infection

By Peta Thornycroft Harare 19 December 2006 In a year when Zimbabwe's economy continued to plummet and its death rate continued to soar, there was one piece of good news: the rate of infection of HIV/AIDS has dropped significantly. Peta Thornycroft

VOA标准英语2009年-Researchers: AIDS Vaccine Cuts Infection f

By Ron Corben Bangkok 24 September 2009 US Ambassador to Thailand Eric John (L) with Thailand Minister of Public Health Witthaya Kaewparrdai after press conference in Bangkok, 24 Sep 2009 In a major scientific breakthrough researchers in Thailand sa

VOA标准英语2013--Climate, Brain Infection Linked in Uganda

Climate, Brain Infection Linked in Uganda Scientists say they have found the first major neurological condition linked to climate. A Ugandan study shows the amount of rainfall can affect the number of infants who develop a deadly brain infection. Its

VOA标准英语2011--Dengue Severity Depends on Prior Infection, Genetic Variation

Dengue Severity Depends on Prior Infection, Genetic Variation American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease sprea

VOA标准英语2010年-South Asia Superbug is Potential Globa

Scientists say they have discovered a new gene among bacteria that are highly resistant to even the most powerful antibiotics. Experts say the superbug, originally found in India and other parts of South Asia, is showing up in patients in Europe and

VOA标准英语2011--Antibiotic Alternative Treats Urinary Infection in Mice

Antibiotic Alternative Treats Urinary Infection in Mice Researchers have a new approach for treating urinary tract infections, a painful condition which can often be treated successfully with antibiotics. But many times, the infection is caused by st

英闻天下——67 Chavez Suffers "Severe" Lung Infection

Venezuelan authorities are now conceding President Hugo Chavez is dealing with a severe lung infection. Ernesto Villegas is the Information Minister. After the delicate surgery of this past December 11, Comandante Chavez has faced complications as a

E. coli infection cases rise sharply in Germany

BERLIN, June 1 (Xinhua) -- Germany's disease control center reported on Wednesday 365 new cases of the fatal enterohemorrhagic E. coli (EHEC), which marked a sharp rise since its outbreak in the middle of May. Twenty-five percent of the new cases inv

VOA标准英语2010年-AIDS: Vital First Minutes of Infection

A top U.S. health official says the first few minutes after HIV infection may be a window of opportunity to prevent the AIDS virus from firmly taking hold in the body. The HIV thats present during initial infection is different from the virus that re

VOA标准英语2009年-Study Finds High Rate of Infection at

More than 1,200 intensive care units in 75 countries examined Carol Pearson | Washington, DC 08 December 2009 Researchers found that more than half of the 14,000 patients in the study on that one day, developed infections in intensive care units Stay

学个词Learn a Word 第1328期 infection

今天我们要学的词是infection。 Infection, 感染。 MIT scientists are developing a new drug that might be able to fight any viral infection, 麻省理工大学的科学家正在研究一种新药，可能可以治疗任何病毒感染。 Re

Sources of persistent sheen in Gulf of Mexico remain unknown

HOUSTON, Dec. 18 (Xinhua) -- The U.S. Coast Guard said on Tuesday that underwater inspections at the site of BP's 2010 rig explosion have failed to identify the sources of a persistent sheen on the surface of the Gulf of Mexico. Meanwhile, it said th