单词：primary drug-resistance rate
单词：primary drug-resistance rate 相关文章
Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi
VOA标准英语2012年(一月)
Researchers are in the final steps of evaluating two new drugs to add to the existing treatment for hepatitis C. An estimated 170 million people worldwide have the liver infection known as hepatitis C. The standard, two-drug treatment is not effectiv
VOA标准英语2011年(四月)
Topics: Ask an American - Caring for elderly parents; come versus came; several; top-down Words: nursing home out of the question safe alternative primary caretaker virtually to celebrate privilege resistance mission richness generation mix household
美语听力 English Cafe
By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese
2007年VOA标准英语（一月）
More than three years after Hurricane Katrina caused massive damage in New Orleans, the city has less than half its pre-hurricane population and a crime rate higher than any other city in the nation. But, as VOA's Greg Flakus reports, citizens' grou
VOA标准英语2008年(十二月)
primary capital 基本资金；基础资本 primary input 初期投入的资源 primary lien 第一留置权 primary listing 第一上市 primary market 初级市场；基本市场；第一市场 prim
财会英语