标准美语发音的13个秘诀 CD 1 Track 41

Exercise 1-28: Sentence Stress with Set Phra ses CD 1 Track41 Repeat the following sentences. 图片1

VOA慢速英语--研究人员发现入侵物种的“善良”一面

Researchers Find Bright Side to Some Invasive Species Non-native species present threats to natural environments across the world by pushing out native organisms. Their presence can seriously damage ecosystems that provide clean water, food and other

SSS 2008-05-21

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

侏罗纪搏击俱乐部 第153期:被气候变化逐出家园

The fact that Pachyrhinosaurus is found in so many different areas suggests that these dinosaurs had a remarkable ability to adapt to a variety of different environments. 肿鼻角龙在那么多不同的地方被发现，说明这种恐龙对不同环

1）UNICEF Begins Tetanus Immunization Campaign in Afghanista

Broadcast: Feb 02, 2003 The U.N. Children's Fund units service is starting a weeklong campaign to immunize thousands of Afghan women against tetanus. This is part of a global campaign to eliminate mat

SSS 2012-07-17

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

VOA标准英语2012--French Experts Question GMO Cancer Study

French Experts Question GMO Cancer Study French officials and experts have added their voices to the chorus of criticism over a recent study linking genetically modified corn to tumors in experimental rats. The French national food safety agency join

美国国家公共电台 NPR USDA Unveils Prototypes For GMO Food Labels, And They're ... Confusing

SCOTT SIMON, HOST: Foods that contain genetically modified ingredients will soon be required to have a special label. NPR's Merrit Kennedy reports that we're now seeing what that label might look like. MERRIT KENNEDY, BYLINE: About two years ago, Con

英语听力：自然百科 走进西藏 tibet—9

The yak has even led the Tibetans to buried treasure. In summer,people can be seen scouring the grassland,bent over in deep concentration.This is the world's weirdest harvest.Tibetans first investigated this strange root-like organism,known locally a

Developing Wheat Resistant to Leaf Rust

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

AGRICULTURE REPORT - Mushrooms

AGRICULTURE REPORT - Mushrooms By Bob Bowen Broadcast: Tuesday, May 11, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Year after year, mushrooms of every size and shape pus

Suspicious Powder Discovered on Capitol Hill

Suspicious Powder Discovered on Capitol Hill Deborah Tate Three U.S. Senate office buildings are closed, and congressional business has been disrupted a day after a suspicious powder, believed to be t

AP美联社一分钟新闻 2008-08-07

1.The FBI has released documents saying Army scientist Bruce Ivins had custody of anthrax spores identical to those that killed five and sickened at least 17 others in 2001.The FBI also says Ivins worked unusually late lab work hours around the time

TED演讲:我的专属蘑菇寿衣(2)

I realize this is not the kind of relationship 我意识到,我们一般不会热衷于 that we usually aspire to have with our food. 与我们的食物建立这样的关系 We want to eat, not be eaten by, our food. 我们吃食物,而不是被食物吃

经济学人351:蜂群崩坏症候群 蜂群崩坏

Science and technology 科学技术 Colony collapse disorder 蜂群崩坏症候群 Bee off 蜂群崩坏 A possible explanation of why beehives sometimes vanish 有可能解释清楚为什么蜂群有时会突然死亡 HONEYBEES are sensitive creature

万物简史 第439期:小生物的世界(10)

When times are good, they exist as one-celled individuals, much like amoebas. 当年景好的时候，它们以单细胞的形式独立存在，很像是变形虫； But when conditions grow tough, they crawl to a central gathering place and become,

万物简史 第436期:小生物的世界(7)

In 1997 scientists successfully activated some anthrax spores that had lain dormant for eighty years in a museum display in Trondheim, Norway. 1997年，科学家们成功地激活了已经在挪威特隆赫姆博物馆休眠了80年之久的一些炭疽

经济学人:泰国佛教 失踪的僧侣(2)

But Dhammakaya has fierce opponents both within the Buddhist establishment and outside it. 但是Dhammakaya在佛教内部和外部都有强劲的对手。 Critics denounce it as a cult that peddles wacky theology, and warn that it misleads wealthy u

英语学习乐园：课程

Can you explain the difference between the two phraces? My favorite subject is history. Proffesor Zhang's lecture is too difficult,I could hardly keep up with it. We have 8 courses this semester,including the . required course必修课 elective选修课

2016年CRI Political Advisers Call for Open-mind on GMO

When it comes to the subject of GM foods, the public have a lot to say. As consumers, we can't tell the differences between GMO and non-GMO. Some food we eat daily must contain GMO. Many say that cherry tomatoes and purple sweet potatoes have both be