苯甲氯异恶唑毒霉素

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

发表于:2018-12-18 / 阅读(230) / 评论(0)

万物简史

SSS 2011-06-22

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(233) / 评论(0)

Scientific American(六)月

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

发表于:2018-12-24 / 阅读(196) / 评论(0)

Scientific American(三)月

SSS 2010-03-23

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(241) / 评论(0)

Scientific American(三)月

新标准初中英语八年级(上):UNIT2 Liu Hong

[00:00.00]3 Pronunciation [00:04.15]Listen and say [00:06.59]ll bell pull sell tell till well [00:21.67]4 Listen and complete. [00:25.15]Listen to the sentences. [00:26.87]Then write the missing words in the crossword. [00:32.64]1 across [00:35.48]Th

发表于:2018-12-29 / 阅读(243) / 评论(0)

外研社新标准初中英语八年级

各国名人英文介绍-Lucy Liu

Lucy Liu is an American actress and artist. She was a Charlies Angel and was the voice of Viper in Kung Fu Panda. She has held several exhibitions of her painting and photography. She regularly donates the profits of her shows to UNICEF, for whom she

发表于:2019-01-01 / 阅读(294) / 评论(0)

各国名人英文介绍

unit19 Basics of Horoscope 占星算命基本知识

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2019-01-02 / 阅读(244) / 评论(0)

午后咖啡

Improve Your Focus with the Pomodoro Technique

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(542) / 评论(0)

2017年VOA慢速英语(六)月

AGRICULTURE REPORT - Restrictions on Methyl Bromide

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(265) / 评论(0)

农业与发展

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

发表于:2019-01-08 / 阅读(225) / 评论(0)

Scientific American(四)月

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

发表于:2019-01-08 / 阅读(241) / 评论(0)

Scientific American(十一)月

2006年VOA标准英语-20 Years After Chernobyl Europe Debates Nu

By Lisa Bryant Paris 25 April 2006 Chernobyl Twenty years after an explosion at the Chernobyl nuclear power plant in the Ukraine, European countries remain deeply divided over the use of nuclear power

发表于:2019-01-13 / 阅读(237) / 评论(0)

2006年VOA标准英语（四月）

音乐咖啡厅:Negative things-Selwyn Pretorius

Selwyn(全名：Selwyn Pretorius，1982年出生于Durban, South Africa）是来自于西澳地区，佩斯州的RB歌手。后面大概就是他参加过一个叫 Popstars 2的真人秀，虽然没有进入最后，但是他获得了一份唱片和约。他的第一支单曲Buggin me'在2001年发行，随后在2002年它发行了

发表于:2019-01-16 / 阅读(306) / 评论(0)

音乐咖啡厅

英语单词大师：Facinorous

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(243) / 评论(0)

英语单词大师-Word Master

Jinxiu Valley Turns Bad to Good

A major attraction at this year's International Garden Expo now taking place in southern Beijing is a sunken garden dubbed the Jinxiu Valley. CRI's Zhang Ru tells us more about this garden, which has sprouted from a former sand-pit. Visitor Wang Jie

发表于:2019-01-19 / 阅读(221) / 评论(0)

世界各地新闻集锦

经济学人69:外因遗传与压力新生儿蓝调曲

Science and Technology Epigenetics and stress Baby blues 科技外因遗传与压力新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(257) / 评论(0)

经济学人科技系列

2007年VOA标准英语-Analysts Examine Possibility for Middle East Pe

By Sean Maroney New York 20 June 2007 In 1967, Israel countered what it saw as a threat of annihilation by its neighbors and defeated three Arab armies in six days. As a result, Israel nearly tripled the terroritory under its control and began an occ

发表于:2019-01-31 / 阅读(217) / 评论(0)

2007年VOA标准英语（六月）

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

发表于:2019-02-04 / 阅读(370) / 评论(0)

英语新闻

Moroccan announces ACN 2013 squad

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(347) / 评论(0)

英语新闻

环球英语 — 283：The Wonder Drug: Zolpidem

Voice 1 Hello. Im Liz Waid. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A woman sits by her sons

发表于:2019-03-04 / 阅读(293) / 评论(0)

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