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

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高中英语人教版2000年高一上04

[00:08.72]Hank Stram lives in San Francisco with his wife and daughter. [00:14.97]On October 17th,1989 a strong earthquake took place and killed over 100 people. [00:23.61]Hank was caught in the earthquake. [00:27.45]1 Listen to part 1. [00:32.10]The

人教全日制普通高中英语（必修）高一上04

[00:06.09]LISTENING [00:08.72]Hank Stram lives in San Francisco with his wife and daughter. [00:14.89]On October 17th,1989 a strong earthquake took place and killed over 100 people. [00:24.45]Hank was caught in the earthquake. [00:28.21]1 Listen to p

高中英语人教版必修高三08

[00:09.40]Reading [00:10.55]STUDYING PLANTS IN THE WILD [00:12.25]The study of natural history is not something to be left to biologists. [00:17.99]In fact, their capacity in terms of the time they can spend away from their offices is very limited. [

美国国家公共电台 NPR Doctors Test Bacterial Smear After Cesarean Sections To Bolster Babies' Microbiomes

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

SSS 2010-06-22

Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on how you got here. Because babies born vaginally have a different set of microbes than th

SSS 2009-05-20

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

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英文书摘精选 出生方式决定你的“健康”

Baby's Bacteria Related to Birth Method 出生方式决定婴儿携带什么样的细菌 Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on

英语诗歌:Ode To A Nightingale

John Keats (1795 - 1821) My heart aches, and a drowsy numbness pains My sense, as though of hemlock I had drunk, Or emptied some dull opiate to the drains One minute past, and Lethe-wards had sunk: Tis not through envy of thy happy lot, But being to

SSS 2009-01-16

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

SSS 2009-01-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

肯尼亚偷猎者杀死象王

Poachers have killed one of the worlds largest elephants a famed great tusker named Satao in Tsavo East National Park in Kenya. 在肯尼亚东察沃国家公园，偷猎者杀死一头世界上最大的大象有名的长牙大象萨韬（Satao）。

专为女人设的

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One elderly couple's car somehow ended up on its side in Bel Air, and they made the best of the situation by snapping photos. 一对老夫妇的汽车在了贝莱尔的路边抛锚，他们充分利用这一情况抓拍了照片。 Benjamin and Eliza

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New Zealand's five dollar note has been named the banknote of 2015 by the International Bank Note Society -- a clear winner among nearly 40 eligible designs from a record 20 countries. 新西兰5元纸币近日被国际纸币学会评为2015年度最佳

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Travel美国旅游风尚It's summertime, and the livin' is easy. For many Americans, this is the season to travel. Why? Because school is out. Because the weather is great. And most of all, because we all deserve a break. When Americans take a break,

Mexico to better monitor endangered flora and fauna

MEXICO CITY, May 18 (Xinhua) -- The Mexican government signed an agreement with the non-governmental group TRAFFIC on Tuesday to exchange information about illegal seizures of flora and fauna species in Mexico. The agreement with the wildlife trade m

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Wegener developed the theory that the world's continents had once come together in a single landmass he called Pangaea, where flora and fauna had been able to mingle, before the continents had split apart and floated off to their present positions. A