[网络] 乃藉助非病原性微生物

英文书摘精选 How Do Scientists Study Deadly Diseases?科学家如何研究致命的疾病?

I have a trivia question for you, Don. What do the Ebola virus, anthrax, and the avian flu have in common? 唐，我有个小问题想问你，埃博拉病毒、炭疽热和禽流感这些疾病有哪些共同的特点？ Researching Disease 疾病研究

发表于:2018-12-28 / 阅读(170) / 评论(0)

初学者听力文摘精选

加入北极基因的疫苗不能在人类体温下生存(有声

Pathogens with added genes from Arctic bacteria could serve as vaccines that elicit an immune response before getting cooked in our warm bodies. Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated

发表于:2019-01-02 / 阅读(175) / 评论(0)

60秒科学

60秒科学:美国《爱国者法案》和《生物恐怖应对

The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to have potential as bioweapons. The Bush administration increased funding for research on such toxi

发表于:2019-01-02 / 阅读(219) / 评论(0)

60秒科学

VOA标准英语2009年-Bipartisan US Congressional Panel Warns of

By Cindy Saine Capitol Hill 22 September 2009 Senators Joseph Lieberman (r) and Susan Collins prior to start of committee's hearing on Weapons of Mass Destruction Prevention and Preparedness Act of 2009, on Capitol Hill, 22 Sep 2009 Two U.S. senator

发表于:2019-01-13 / 阅读(196) / 评论(0)

VOA标准英语2009年(九月)

VOA英语2010年-Human Health Depends on Biodiversity

There's a good reason why people should be concerned about having a healthy environment containing lots of animal and plant species. A new study says the loss of biodiversity may make humans more vulnerable to infectious diseases. Biodiversity is one

发表于:2019-01-13 / 阅读(257) / 评论(0)

VOA标准英语2010年(十二)月

美国国家公共电台 NPR So Your Kitchen Sponge Is A Bacteria Hotbed. Here's What To Do

DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI

发表于:2019-01-16 / 阅读(283) / 评论(0)

2017年NPR美国国家公共电台9月

VOA常速英语2013--升温引发更多疾病

Warmer Temps Trigger More Disease升温引发更多疾病 Climate change is often associated with extreme weather events, melting glaciers and rising sea levels. But it could also have a major impact on human, animal and plant health by making it eas

发表于:2019-02-01 / 阅读(187) / 评论(0)

VOA常速英语2013年(八月)

留美老师带你每日说英文第283期:体内细菌的多样性

台湾籍旅美老师今天交给我们的句子是： But keep in mind that as long as youre not transferring any infectious pathogens, increasing the diversity in your body is actually a very good thing. 但记住只要你不是在交换任何传染性

发表于:2019-02-14 / 阅读(236) / 评论(0)

留美老师带你每日说英文

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