新视野大学英语 读写教程第三册 unit6-a

Unit6 Section (A) How to Prepare for Earthquakes Ideally, people would like to know when an earthquake is going to happen and how bad it will be. Inboth Japan and China, people have long believed that earthquakes can be forecast. In Japan, scientists

VOA标准英语2012--Bacterium Targets Untreated HIV-Positive People

Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i

VOA慢速英语2009年-Agriculture Report - With Resistant Crops,

This is the VOA Special English Agriculture Report. Plant breeders and genetic engineers keep working to give crops the strength to resist threats like insects, diseases, droughts or floods. But before you can resist a threat, you need to understand

Bacteria Loves Your Mouth 细菌钟爱你的嘴

Did you know that there could be more bacteria living in your mouth than there are people on earth? 你知道吗，寄居于你口中的细菌有可能比全世界的人口数还多？ Bacteria love our mouths because the livin is easytheres plenty o

2007年VOA标准英语-Rising Numbers of TB Victims, Emergence of Drug

By Scott Bobb Johannesburg 19 March 2007 Tuberculosis until a few years ago was off the informal list of priority diseases because it could be prevented and it could be cured. Now, as the world marks Tuberculosis Day, the disease is causing alarm be

SSS 2010-04-08

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

VOA标准英语2012--New Dysentery Threat Emerges

New Dysentery Threat Emerges Its known that clean water and sanitation can bring a sharp decline in dysentery cases in developing countries. But its not enough to stop the spread of the disease in countries undergoing rapid development and industrial

VOA慢速英语2015 耐药结核病传播的可能性较小

AS IT IS 2015-07-02 Drug-Resistant Tuberculosis Less Likely to Spread 耐药结核病传播的可能性较小 The number of multi-drug-resistant tuberculosis cases is rising. Multi-drug-resistant TB results from a bacterium a group of small living th

2006年VOA标准英语-Drug Resistant TB Is More Widespread Than Previ

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

2007年VOA标准英语-Tuberculosis Remains a Global Threat

By David McAlary Washington 30 May 2007 U.S. health officials have quarantined an airline passenger who may have exposed others to a potentially dangerous form of tuberculosis. The unusual decision was made after the passenger took flights from the U

VOA标准英语2012--New TB Drug Regimen Launched in Africa, South America

New TB Drug Regimen Launched in Africa, South America With nearly 4000 people dying of tuberculosis each day around the world, public health officials say TB control efforts urgently need new drugs. The clinical trials being launched by the TB Allian

VOA标准英语2010年-In Cameroon, TB Vaccine Breakthrough E

Deaths from tuberculosis are increasing in the developing world and especially in Africa. It's the world's second deadliest infectious disease after HIV/AIDS. In 2008, nearly two million people died of TB and researchers warn that mortality rates wil

VOA标准英语2010年-Frog Skin Oozes Possibly Powerful Anti

Frogs secrete compounds that could be used to battle MRSA and a new emerging bacterium that affects many wounded soldiers in Iraq. According to Mideast researchers, the amphibians could provide several new antibiotic compounds to fight drug resistant

VOA标准英语2013--Gates Foundation Continues to Fight Tuberculosis

Gates Foundation Continues to Fight Tuberculosis WASHINGTON By Abigail Martin Tuberculosis, or TB, is spread when an infected person coughs or sneezes, dispersing the germmycobacterium TBinto the air. The World Health Organization says there were an

科学美国人60秒 SSS Bacteria Can Be Resistant to Brand-New Antibiotics

Bacteria Can Be Resistant to Brand-New Antibiotics 谁在对抗最新的抗生素 Perhaps the chief poster child of antibiotic resistance is methicillin-resistant Staphylococcus aureus, or MRSA. The bacterium is impervious to a suite of antibiotics,

VOA慢速英语20060502b

AGRICULTURE REPORT - Going Biotech on the Farm: Second of Two PartsBy Mario Ritter Broadcast: Tuesday, May 02, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers from a numb

DEVELOPMENT REPORT - New TB Vaccine to be Tested

DEVELOPMENT REPORT – June 17, 2002: New TB Vaccine to be Tested By Jill Moss This is the VOA Special English Development Report. Scientists are preparing to test the safety of a new vaccine medicine

AGRICULTURE REPORT - Study Says Genetically Engineered Rice

AGRICULTURE REPORT - Study Says Genetically Engineered Rice Cuts Use of Insecticides By Mario Ritter Broadcast: Tuesday, May 10, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. A

VOA常速英语2007年-International Health Officials Say Drug-Resista

By Jessica Berman Washington 01 November 2007 A coalition of international public health officials says drug-resistant tuberculosis is a man-made epidemic caused by a lack of global response to TB. The officials say more resources are needed to fight

TED演讲：细菌是怎样交流的(9)

Amd of course, you've just heard and you already know that we're running out of antibiotics. 当然，你一定听说过，而且你早就知道了，我们快要没有有效的抗生素了。 Bacteria are incredibly multi-drug-resistant right now, a