考研背诵50篇——03 The Definition of “Price”

Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a complex network composed of the prices of all the p

英语听力：听电影学英语-高校天后/青春舞会皇后 13

[00:02.96]My niece loves those books. 我的外甥女很喜欢看这些书 [00:04.16]- You're famous! - He's not as famous as you. - 你很出名啊！ - 还是您更加出名 [00:07.24]Molly's not gonna believe I've actually met you. 莫丽一定不相

英闻天下——478 Difficult to Select Children's Books in Chinese Market

One parent in a bookstore in Tianjian municipality says she always keeps her son away from the cartoon book shelf, because most books there focus on war, violence and the darker side of life. Another parent says she often finds inappropriate content

科学美国人60秒 SSS Last Woollies Had Mammoth Mutations

Last Woollies Had Mammoth Mutations 长毛象灭绝的真正原因是 In their heyday, woolly mammoths blanketed the Siberian steppe, Alaska and large parts of North America. But by 10,000 years ago, warming climates had turned many of the grasslands

英语博客：Smoke to the north.

The view from the back of our house faces north, looking at the hills on either side of the Columbia river. They are brown this time of year, after a hot and dry summer. For a few days, the view was hard to see because there was smoke to the north(1)

美国公民自由协会称地铁搜查有违宪法

ACLU Says Subway Searches Unconstitutional 美国公民自由协会称地铁搜查有违宪法 Two weeks ago, police in New York stepped up their campaign against terrorism and began searching the bag

VOA标准英语2012--Syrian Refugees Seek Out Smugglers

Syrian Refugees Seek Out Smugglers Umm Shaker used to work at the Syrian Army base in Baba Amr in Homs. She said she saw how the army began to kill people protesting against the government after Friday prayers. We used to see the killing in front of

VOA标准英语2012--Caffeine Safely Stimulates Premaure Infants

Caffeine Safely Stimulates Premaure Infants Almost all babies who are born very prematurely have trouble breathing. For decades, doctors have treated them with the stimulant caffeine, even though there was little scientific evidence to justify it. Br

VOA标准英语2010年-CPR Works Without Mouth-to-Mouth

Study finds chest compressions are the real life-saver Art Chimes | St. Louis, Missouri 29 July 2010 Cardiopulmonary resuscitation, or CPR, has been around in its modern form for about 50 years. Its rhythms of chest compressions and mouth-to-mouth br

VOA标准英语2011--Americans Prepare to Celebrate Valentine’

February 14 is Valentine's Day in the United States, a special time set aside for lovers and spouses to say, I love you, often with flowers, chocolates and a romantic meal. And while love is universal, just what makes any one of us of feel cherished

美国国家公共电台 NPR How The Diversity Visa Lottery Works

RACHEL MARTIN, HOST: One of the details we've learned about the suspect in the New York terror attack is that he was a native of Uzbekistan. He came to this country through a visa lottery system. This lottery is open to people from countries that hav

美国科学60秒 SSS 2013-08-13

Yes, the mosquitos are swarming at this time of year. Alaska joke the B.Z. the sate bird. But have you ever looked closely the swarm making mosquitos the nuts images? It is a curious thing. The swarm maintains the kind of shape that moves around. But

科学美国人60秒 SSS 2013-09-05

Using less energy saves money and lowers greenhouse gas emissions. And various studies have looked at ways to get households to use less energy. Now theres evidence that people in such a study use less energybecause theyre in a study. The general phe

科学美国人60秒 SSS 意外带来的不止是惊醒

Exposure to the unusual, the jarring, the culturally shocking may be beneficial for your cognitive reasoningand your waistline. 接触与众不同、不和谐文化方面的冲击可能会有益于认知推理甚至你的腰围。 Thats according to

科学美国人60秒 SSS 健康也传染

Healthy Behavior Can Spread Like Illness健康也传染 If your friends are happyturns out you're more likely to be happy too. If your friends are overweight, that too ups the odds you'll pack on pounds. Those effects have been shown in studies. And

NPR边听边练42:挑战司法部,Google拒绝提供客户信息

【NPR边听边练】致力于提供新鲜有趣、饶有意味的时讯资料，致力于通过精听的方式促进听力提高，致力于不断开阔眼界和深入了解美国观点。 精听建议： 先完整地把一条新闻听一到三遍，争

英语听力：自然百科 地球力场 Earth's Force Field—4

Scientists believe that the South Atlantic Anomaly, is a sign of a global decline in the magnetic field. Evidence of this comes from a surprising source. Dr. Mimi Hill uses pottery to uncover the secrets of earth's magnetic past. Ancient pots tell us

英语听力：探索发现 2014-05-21 BBC 地平线：陨石的真相-5

The explosion generated a shockwave so massive it wasdetected over 15,000 kilometres away. The low-frequency waves were picked up bymonitoring stations. So it is kind of like a listening network around theworld. Thats right. Theyre not set up for fir

2015-04-24 BBC:星光七纪元-28

And takes dedication perseverance and a love of the thrill of the chase, not just any kind of astronomer but a supernovae hunter, and one with perfect timing.You know usually nothing much happens in astronomy, stars live for millions or billions of y

学个词Learn a Word 第405期 Screen

今天我们要学的词是screen。 Screen, 有检查的意思。All women over 50 should be screened for breast cancer regularly, 凡是五十岁以上的妇女都要定期进行乳腺癌的检查。 美国全国铁路客运公司将首度开始对乘