中子诱发放射性同位素

Jack Welch

Throughout my 41 years at GE, I’ve had many ups and downs. In the media, I’ve gone from prince to pig and back again. And I’ve been called many things. In the early days, when I worked at our 1)

发表于:2018-11-28 / 阅读(274) / 评论(0)

疯狂英语2002年

外贸英语口语UNIT2

A:Mrs Mar,I saw your raising bicycles over there.It really looks smart. B:You said it.They are the new models of our name brand Phynex raising bicycles,a lot lighter than the other ones.A great favourite with the young people abroad. A:How much do t

发表于:2018-12-03 / 阅读(200) / 评论(0)

外贸英语口语

VOA慢速英语 2007 1030b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Researchers at Ohio State University studied exercise-induced asthma among top athletes at the school. Ohio State football players practice earlier this year.

发表于:2018-12-07 / 阅读(139) / 评论(0)

VOA慢速英语2007年（十）月

有声英文阅读-黑洞

Black Holes What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientist

发表于:2018-12-31 / 阅读(185) / 评论(0)

有声英文阅读

电影歌曲:《暮光3:月食》主题曲Neutron Star Collis

Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to choose Then we told each other With no trace of fear that..

发表于:2019-01-03 / 阅读(162) / 评论(0)

电影歌曲

英语歌曲:暮光3:月食主题曲-Neutron Star Collision

《暮光3:月食》高清主题曲Neutron Star Collision Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to c

发表于:2019-01-03 / 阅读(181) / 评论(0)

电影英文歌曲

王强口语第二册 Dictation 019

Lesson Nineteen 听力部分 Dictation: Please prepare your paper and pen. There are really __________ for _____ wine ______-_______________ a good corkscrew, ____, _______________, __________ the ____ of _______. The ______________ that most America

发表于:2019-01-14 / 阅读(186) / 评论(0)

王强口语第二册

美国国家公共电台 NPR Astronomers Strike Gravitational Gold In Colliding Neutron Stars

MARY LOUISE KELLY, HOST: For the first time, scientists have seen the violent collision of two neutron stars. They've watched as heavy elements like gold, platinum and uranium were forged. This cosmic smashup is being hailed as one of the biggest eve

发表于:2019-01-16 / 阅读(144) / 评论(0)

2017年NPR美国国家公共电台10月

TED演讲:我们的大脑是如何交流的?(5)

And we believe that these responses in higher-order areas are induced or become similar across listeners 我们认为，听众这些相似的大脑高层次区块反应， because of the meaning conveyed by the speaker, and not by words or sound. 是由

发表于:2019-01-18 / 阅读(138) / 评论(0)

TED演讲科学篇

VOA标准英语2008年-Tobacco Use Rises Among Women

By Carol Pearson Washington 07 May 2008 The World Health Organization expects the number of women who smoke to triple over the next generation, if current trends continue. As a result, it expects more than 200 million women to die from tobacco induce

发表于:2019-01-19 / 阅读(141) / 评论(0)

VOA标准英语2008年（五月）

微笑的方式-付出,也许无需有所得(2)

Ways to smile 微笑的方式 Give and maybe don't receive. 付出，也许无需有所得 College is a perfect time to get involved in volunteering for a cause. 大学是个为了一个目标参加志愿活动的绝佳时间。 No matter what your p

发表于:2019-01-22 / 阅读(142) / 评论(0)

英语听力广播—Listening

60秒科学:Pill May Change Attraction

Pill May Change Attraction In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports Some people like to think theres somet

发表于:2019-01-30 / 阅读(180) / 评论(0)

60秒科学

让人无语的“电脑失忆症”

让人无语的电脑失忆症各种电子设备用久了，我们好像都习惯了打拼音、选汉字。真正要拿笔写字的时候就会出现提笔忘字的情况，有关专家把这种现象叫做电脑失写症。你有电脑失写症吗？

发表于:2019-02-02 / 阅读(152) / 评论(0)

实用英语

美国研究生入学考试难句解读-7

A veryspecializedfeedingadaptation inzooplanktonisthatofthe tadpolelikeappendicularianwholives inawalnut-sized(orsmaller)balloon (10)ofmucusequippedwithfiltersthat captureandconcentratephytoplankton. 浮

发表于:2019-02-06 / 阅读(164) / 评论(0)

英文语法词汇

中国建造世界最高重力波望远镜

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(150) / 评论(0)

英语新闻

New Supercomputer Could be World's Fastest

New Supercomputer Could be World's Fastest Scientists at the Oak Ridge National Laboratory in the U.S. state of Tennessee have unveiled what could be the worlds fastest supercomputer. The new computer, named Titan, is capable of making more than 20,0

发表于:2019-02-07 / 阅读(136) / 评论(0)

英语新闻

Single migrant women face high abortion risk

BEIJING, Sept. 26 (Xinhuanet) -- Young unmarried migrant women are facing a high risk of induced abortions in China and experts urged that they have better access to reproductive health education. Among the 8 to 10 million induced abortions performed

发表于:2019-02-07 / 阅读(137) / 评论(0)

英语新闻

经济学人297:激励员工评级与封杀

Business 商业报道 Motivating workers 激励员工 Ranked and yanked 评级与封杀 Firms that keep grading their staff ruthlessly may not get the best from them. 那些总是无情地把员工分个三六九等的公司或许并不能得到最好的

发表于:2019-02-13 / 阅读(107) / 评论(0)

经济学人商业系列

太空惊现“上帝之手”

It looks like a hand of God reaching out into the cosmos, but NASA says the display is caused by a young and powerful pulsar. Taken by NASA's Chandra X-ray observatory from it's orbiting 360 miles above the Earth, the recently released photo of Pulsa

发表于:2019-02-16 / 阅读(183) / 评论(0)

实用英语

托福阅读的文章内容都涵盖哪些领域？

托福阅读的文章，都有自己的背景，关于托福阅读背景，有的是移民背景，有的是工业革命背景，而在托福考试中，我的托福阅读背景是经常出现的，这些经常出现的托福阅读背景，就是我们

发表于:2019-02-21 / 阅读(161) / 评论(0)

托福英语

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