标签：resistance 相关文章
By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria
2007年VOA标准英语（二月）
Wouldnt it be great if we could trade genes with other species? For example, suppose you could trade the family cat your genes for intelligence for its genes for physical coordination! Well, okay, thats not likely to happen anytime soon. But DNA trad
英语听力文摘 English Digest
By Kevin Billinghurst Stockholm 09 October 2007 The 2007 Nobel Prize for Physics has been awarded to Albert Fert of France and Peter Gruenberg of Germany for discoveries that have helped fuel explosive growth in the storage capacity of computer hard
2007年VOA常速英语（十月）
By Jessica Berman Washington 24 December 2006 A new study by the World Health Organization has found drug-resistant tuberculosis in virtually all of the 79 countries the organization surveyed around the world, with particularly high levels in countr
2006年VOA标准英语（十二月）
The United States said Monday the government of Zimbabwe's President Robert Mugabe cannot be considered legitimate in the absence of a presidential runoff election. In the wake of opposition candidate Morgan Tsvangirai's forced departure from the c
VOA标准英语2008年（六月）
The United States said Monday the government of Zimbabwe's President Robert Mugabe cannot be considered legitimate in the absence of a presidential runoff election. In the wake of opposition candidate Morgan Tsvangirai's forced departure from the c
VOA标准英语2008年（六月）
Wartime Resistance Fighter Leads Greek Anti-Austerity Battle At 90 years of age, Manolis Glezos is still putting himself on the front line. During anti-government protests in March 2010 and again in February this year, he was tear-gassed by riot poli
VOA标准英语2012年(五月)
By Pearse Lynch Nairobi 05 July 2006 International criminal authorities say the warrant for the arrest of Ugandan rebel leader Joseph Kony stands despite the offer of amnesty by President Yoweri Museveni. Kony, who has led almost two decades of bloo
2006年VOA标准英语（七月）
Kenyan lawmakers are ready to again take up a bill to create a tribunal for trying those suspected of organizing the violence which erupted following the December 2007 elections. A deadline for the bill's approval has passed, meaning suspects' names
VOA标准英语2009年(二月)
By David Gollust Washington 19 March 2007 U.S. Secretary of State Condoleezza Rice said Monday the new Palestinian unity government should unequivocally renounce violence to gain international recognition and enter peace talks with Israel. Rice confe
2007年VOA标准英语（三月）
Tricking Your Muscles 肌肉欺骗了你？ Heres a neat experiment: Find an open doorway and stand inside it, facing into the room. 做一个简单的实验：找一扇开着的门并站在门口，面向房间。 Now press your arms outward until t
英语听力文摘 English Digest
Not So Silly Geese 雁群为什么总排成一字或人字形队伍飞行呢？这是因为大雁飞行的路程很长，它们除了靠扇动翅膀飞行之外，也常利用上升气流在天空中滑翔，使翅膀得到间断地休息空隙，以节
英语听力文摘 English Digest