标签：science 相关文章

SSS 2011-09-07

This is Scientific Americans 60-SecondScience. Im Steve Mirsky. This will just take a minute. Economics:supply and demand. Thats Father Guido Sarducci... Thats it. sharing theentirety of the economics course at his Five-Minute-University. Of course,

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(九)月

SSS 2011-09-02

This is Scientific American's 60-Second Science.I'm Steve Mirsky. Got a minute? Hi. Im running. Im also telling some ofmy stem cells what to do right now. Well, I probably am, based on a new study with mice. We have what are called mesenchymal stemce

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 Scientific American(九)月

SSS 2011-08-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(八)月

SSS 2011-07-18

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 Scientific American(七)月

SSS 2011-04-13

[fly]This is Scientific Americans: 60-Second Science, I'm Steve Mirsky. Go a minute? Only ten percent of people die from primary tumors, the real problem is when it spreads around the body, the problem of metastasis. Arizona state University's Paul D

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(四)月

SSS 2012-04-04

This is Scientific American 60 Second Science, I am Steve Mirsky, got a minute? Thirty percent of the teachers around the country teaching physics either dont have a degree in physics or dont have a minor in physics. Philip DiStefano, chancellor of t

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(四)月

四级语法之否定

大学英语四级考试涉及的语法知识点多、涉及面宽，对不少考生来说都是一个难题。希望通过本专题的学习，考生能对四级语法有更全面的掌握!一起来看一下这篇14年12月英语四级重点语法：否

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 大学四六级阅读

音乐咖啡厅:if you rescue me淡淡的爱意

这是一首能一下子让人温暖起来的歌,更适合某个冬天的清晨或者寒冷的夜里倾听，吉他响起,温暖肆意...给人以别样的感受它会让我感觉到温暖，然后想起午后的阳光，热腾腾的咖啡，甚至一段温暖的记忆~~~ If you rescue me ---Geal Gacia BernalSacha Bour If you rescue me

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 音乐咖啡厅

美国加州科学教材California Science GK unitc_showwhatyouknow

Sorry,thereisnotexttemporarily,Pleasehelptingroomtolookforit! 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! Thankyou ！

发表于:2019-01-10 / 阅读(128) / 评论(0) 分类 美国加州科学教材California Science GK

美国加州科学教材California Science GK ch6_lesson2

Sorry,thereisnotexttemporarily,Pleasehelptingroomtolookforit! 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! Thankyou ！

发表于:2019-01-10 / 阅读(181) / 评论(0) 分类 美国加州科学教材California Science GK

Meteor Collision With Earth

37 研究表明2500万年前流星曾碰撞过地球 DATE=4-18-01 TITLE=SCIENCE REPORT - Meteor Collision With Earth BYLINE=Jill Moss (Start at 59

发表于:2019-01-16 / 阅读(122) / 评论(0) 分类 科技之光

英语四级口语备考素材

四级成绩出来了，通过的同学可能要考虑四六级口语了，那我们在报考之前需要了解一下报考题型，下面就跟小编一起来看看四级口语考试题型及注意事项吧，希望可以帮助大家顺利备考。 第

发表于:2019-01-16 / 阅读(68) / 评论(0) 分类 英语口语

VOA慢速英语20060207b

SCIENCE IN THE NEWS - U.S. Seeks to Cut Levels of Chemical Used for Teflon, Other Non-Stick ProductsBy Caty Weaver, Brianna Blake and Jerilyn Watson Broadcast: Tuesday, February 07, 2006 (MUSIC) VOICE

发表于:2019-01-16 / 阅读(95) / 评论(0) 分类 2006年慢速英语（二）月

李克强总理鼓励科技创新

Premier Li Keqiang says China should consider science and technology as a primary productive force. Scientific and technological innovation to a large extent determines the future of China's development strategy. In history, we have missed several te

发表于:2019-01-20 / 阅读(73) / 评论(0) 分类 英语新闻

经济学人60:科学界也有种族歧视

Racial discrimination in science 科学界也有种族歧视 A black and white answer 黑人，白人 In American science, race affects the chance of getting a grant 在美国科学界，种族影响得到拨款的几率 YOU might expect that science

发表于:2019-01-26 / 阅读(81) / 评论(0) 分类 经济学人科技系列

VOA慢速英语20061017b

SCIENCE IN THE NEWS - Americans Win All the Nobel Prizes for Science in Two Thousand SixBy Nancy Steinbach Broadcast: Tuesday, October 17, 2006 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special En

发表于:2019-01-30 / 阅读(84) / 评论(0) 分类 2006年慢速英语（十）月

VOA慢速英语20060808b

SCIENCE IN THE NEWS - More Fish, Less Tobacco Could Lower Risk of Blindness in Older PeopleBy Brianna Blake, Lawan Davis and Jerilyn Watson Broadcast: Tuesday, August 08, 2006 VOICE ONE: This is SCIEN

发表于:2019-01-30 / 阅读(176) / 评论(0) 分类 2006年慢速英语（八）月

VOA慢速英语20060307b

SCIENCE IN THE NEWS - Greenland's Glaciers Are Moving Faster, Melting Faster Into the SeaBy George Grow and Cynthia Kirk Broadcast: Tuesday, March 07, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NE

发表于:2019-01-30 / 阅读(45) / 评论(0) 分类 2006年慢速英语（三）月

Spiders and Silk

48 科学家发现：蜘蛛丝强度要胜过绳子 DATE=5-16-01 TITLE=SCIENCE REPORT - Spiders and Silk BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(85) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS #2138 - Digest

20 科技新闻摘要（九） DATE=8-21-01 TITLE=SCIENCE IN THE NEWS #2138 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Spec

发表于:2019-01-30 / 阅读(91) / 评论(0) 分类 科技之光
最新学习文章
热门学习文章