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微生物可以帮助对抗疟疾
Researchers have discovered a bacterium in the gut of the Anopheles mosquito which may someday be used to destroy and, therefore, prevent the spread of the disease-causing parasite. The World Health O
英语听力材料2011-05-14 -
热浪袭来 带来了干旱的恐惧
With most of us enjoying the wall to wall sunshine this bank holiday, the last thing we’ve been praying for is rain. For Ray Manning, the showers can’t come quickly enough. His family has been growi
英语听力材料2011-05-14 -
喜剧明星史蒂夫·卡瑞尔的罗曼史
Now, you’ve been married for 16 years.-I have.-And, yes, let’s ah…-Why? Why? Why you even applaud at “16 years” though?-Some people don’t make it that long.-I see, I think, I think, it’s so str
英语听力材料2011-05-14 -
糖分能找出隐藏的微生物
Used to be that sick kids got lollypops after a visit with the doctor. But in some cases candy can be more than a reward—it can be part of the therapy. Because scientists have found that, in battling
英语听力材料2011-05-14 -
美国牛仔把牛肉带到俄罗斯
After the collapse of the Soviet Union, Russians ate most of their beef cows as the system of reproduction broke down. Now American ranchers are working to rebuild Russia's herd.Darrell Stevenson, a
英语听力材料2011-05-13 -
大学校园的讲座需要整修一番
Students learn more, attend class at higher rates and are more engaged in their education when teachers take a more interactive approach in the classroom, according to a new study. Researchers focused
英语听力材料2011-05-13 -
英国华人家庭灭门案锁定嫌犯
As forensic officers continue their work outside the house where the Ding family lived, detectives release details of the man wanted in connection with their murders. Jeff Ding, Helen Chui, and their
英语听力材料2011-05-13 -
程序在可执行文件中隐藏数据
Imagine that you want to send a secret message to your colleague at the CIA. You can encrypt it to prevent counterspies from reading it. But they'll still know you were sending some sort of message.
英语听力材料2011-05-13 -
希拉里承诺自由贸易早期行动
Secretary of State Hillary Clinton says the Obama administration will soon send the U.S. Congress implementing legislation for free-trade agreements with Panama, Colombia and South Korea. Action on t
英语听力材料2011-05-12 -
商品价格居高不下 农民前景乐观
Farmers across the United States are heading to the fields to plant crops at a time when commodity prices are rising as global demand surges. Many farmers are hopeful this year's crop could be one o
英语听力材料2011-05-12 -
互联网上爱的宣言
After a year-long battle with cancer, Christian Anderson wanted to thank his wife for her support, so he used his skills as a video editor to produce a film for her birthday."Well, we are fans of love
英语听力材料2011-05-12 -
全方位剖析本拉登的死
For almost 10 years now, the question has been asked angrily and then with growing frustration over the years with waning hope where is Osama Bin Laden? Why hasn't he been caught?This was a raid lite
英语听力材料2011-05-12 -
蚊子会追踪你脚的气味
African Anopheles mosquitoes find us by our carbon-dioxide-rich exhalation. But when they get close they turn away from our heads and dive for our feet—apparently their preferred snack spot.Biologist
英语听力材料2011-05-12 -
女性的生物钟走得比男性快
MICHELE NORRIS, host: We're going to hear now about a new study that confirms what some women have suspected about body clocks. The study shows that women run on a different and faster clock than men
英语听力材料2011-05-11 -
医学争论:到底需要多少盐?
A new study published in a respected American medical journal concludes that low-salt diets could lead to heart disease. U.S. public health officials say Americans are eating too much salt. The cstud
英语听力材料2011-05-11 -
到密苏里州捕鱼打猎
Many American states tout themselves as fishing and hunting paradises, and with good reason. There’s a lot of "great outdoors" across our vast nation.And although you may not think of fields and wood
英语听力材料2011-05-11 -
广告是如何说服消费者的?
One way advertisers convince us to buy something is to remind us that we’ve enjoyed their product before. Unfortunately, we can have fond memories of a product that we’ve never even had. Or that doe
英语听力材料2011-05-11 -
奥巴马：甜食不好哟亲
MICHELE NORRIS, host: From NPR News, this is ALL THINGS CONSIDERED. I'm Michele Norris.MELISSA BLOCK, host: And I'm Melissa Block.The Obama administration wants to limit the amount of advertising ki
英语听力材料2011-05-10 -
紧急出生培训降低婴儿死亡率
Responding immediately when newborns fail to breathe in the critical moments after birth could dramatically cut the number of infant deaths worldwide. That’s the focus of a new training program for m
英语听力材料2011-05-10 -
漫画超级英雄《雷神托尔》走上荧屏
A super-hero inspired by Norse mythology leaps from the pages of Marvel Comics onto the big screen in an action adventure directed by Kenneth Branagh. Here's a look at Thor.
英语听力材料2011-05-10
THOR: "What realm is -
美国青少年为夏令营做准备
Summertime is almost upon us in America, and even though millions of children will be home from school, they won’t necessarily be under their parents’ feet the whole time. A lot of them will be off
英语听力材料2011-05-10 -
《雷神托尔》的男主角克里斯·海姆斯沃斯访谈
-When did you start acting?-Hum, when I finished high school, you know, I love story-telling, I love films and fantasy sort of books and things, and I never felt consciously about getting into it and
英语听力材料2011-05-10 -
禁言应该三思而后行?
It’s not news that tobacco’s bad for your health—nearly half a million Americans die from tobacco-related illnesses every year. And among people who abuse drugs and alcohol, more than three-quarter
英语听力材料2011-05-10 -
美国南部诸州：龙卷风过后的坚强
GUY RAZ, host: Tornadoes in the South costs so much destruction in parts of Alabama that rescue teams are still searching for missing people, including, in Tuscaloosa, more than 340 people are now con
英语听力材料2011-05-09 -
拉登死后 美国面临恐怖威胁
In confirming the death of its leader, Osama bin Laden, the terrorist group al-Qaida is threatening more attacks against the United States and its allies. And top U.S. security officials say they are
英语听力材料2011-05-09
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