万物简史 第478期:生命在前进(20)

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

SSS 2011-03-29

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

英文书摘精选 有趣的事实,短嘴鳄可以再长牙齿

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1. What is the problem in the conversation? A. The man didn't do his homework. B. The man can't find his book. C. The man missed his grammar class. 2. What is Brittany's phone number? A. It's 870-0019. B. It's 870-0090. C. It's 870-0099. 3. James' ph

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The IMF is uniquely trained and highly motivated. Specialists without equal, ______1_________. But it is an agency of chaos. The time has come to dissolve the IMF. Now, I want you to choose your next words very carefully. Where is Hunt? Last I heard,

英语听力文摘 English Digest 600、科学家如何预测火山喷发？

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

儿童英语读物 The Mystery of the Orphan Train CHAPTER 1 The Great Ethan Cape

Its stuck! cried six-year-old Benny. His round face was red from tugging at the zipper on his suitcase. It wont budge an inch. Oh, Benny! said twelve-year-old Jessie, coming into the room. She shook her head and laughed. Youre taking too much! Benny

六人行FriendsMP3 1-22

The One With the Ick Factor -------------------------------------------------------------------------------- Written by: Alexa Junge Transcribed by: Mikael Hedberg ------------------------------------

TED演讲 第20期:为什么我们应该终止禁毒战争(6)

Thank you. 谢谢。 Thank you. Thank you. 谢谢。谢谢。 Chris Anderson: Ethan, Chris Anderson：Ethan，congrats quite the reaction. 恭喜反应相当的热烈。 That was a powerful talk. 真是个震撼的演讲。 Not quite a complete stand

SSS 2008-04-17

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

SSS 2009-11-13

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

美国小学英语教材3:第26课 伊桑宠物寻找记(5)

At once the cub put a paw around his nose, rolled over, and began to cry. 熊宝宝马上就把小爪放到了鼻子旁，翻了个身，并哭了起来。 Ethan hurried to give him another bottle of milk. 伊桑赶忙又给了它一瓶牛奶。 That

美国小学英语教材3:第25课 伊桑宠物寻找记(4)

Snook! Snook! went the cub as he sniffed at the milk. But he did not drink it. 来来，斯努克！熊宝宝走了过来嗅了嗅牛奶。但是没有喝。 Here! It's good! said Ethan. Then he put his finger into the milk and held it near the cub's

美国小学英语教材3:第23课 伊桑宠物寻找记(2)

Ethan watched his brother until the trees hid him. Then the boy waited. 伊桑一直看着哥哥，直到他隐没在树林当中。接下来，他开始等待。 How quiet everything seemed! But suddenly he heard first one shot and then another. 四周

美国小学英语教材3:第22课 伊桑宠物寻找记(1)

How Ethan Found a Pet 伊桑宠物寻找记 While Ethan was in the mountains, he learned about the wild animals living there. 伊桑住在山里的时候，他悉知生活在那里的野生动物。 This story will tell you how he found a wonderful p

美国小学英语教材3:第24课 伊桑宠物寻找记(3)

The big bear that the hunters killed must have been its mother, and now the poor cub is left all alone. 捕猎者杀死的一定是它的妈妈，现在只剩下可怜的幼崽孤单无助。 Ethan wished very much that he could see the little fellow

【电影预告片填空】三日刺杀

Five minutes from now, this team will save thousands of lives. _______________1_____________, or it's war. He's on it's way. Good or bad, when you work for the Agency... All teams in position. ... it becomes your whole life. I don't want to spend the

【英语语言学习】为什么我们要禁毒

What has the War on Drugs done to the world? Look at the murder and mayhem in Mexico, Central America, so many other parts of the planet, the global black market estimated at 300 billion dollars a year, prisons packed in the United States and elsewhe

汤姆•克鲁斯5000尺高空秀演技

Tom Cruise has made it his personal mission to make any thrilling action scene look possible, by doing it all himself. And in the fifth installment of Mission Impossible, the 52-year-old actor wasn't going to let someone else step in when he went 5,0

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo