无自转白矮星

我重树信心--英语演讲优秀范文

I Regain Confidence By Li Jun (李军青岛海洋大学) (2001年11月下旬，在上海举行的第七届21世纪爱立信杯英语演讲比赛华东地区比赛中获得第一名) 专家点评:本演讲语言较流畅，从具体事件人手，将主

发表于:2018-11-29 / 阅读(227) / 评论(0)

英语演讲

晨读英语美文60篇六级06

Disney World, Florida, is the biggest amusement resort in the world. It covers 24.4 thousand acres, and is twice the size of Manhattan. It was opened on October 1 1971, five years after Walt Disneys death, and it is a larger, slightly more ambitious

发表于:2018-12-07 / 阅读(154) / 评论(0)

晨读英语美文60篇

新路径小学英语六年级上册(一起) Unit 1 Mirror! Mirror!

[00:02.41]Unit 1 School life [00:06.83] Self-assessment [00:09.30]Let's act. Snow White and the Seven Dwarfs (I) [00:18.63]Mirror! Mirror! [00:20.68] Magic mirror! [00:22.80]Good morning, dear Queen! [00:25.47]Am I beautiful? [00:27.52]Yes, you are.

发表于:2018-12-13 / 阅读(164) / 评论(0)

新路径小学英语六年级上册(一起)

CNN 2012-04-07

hi,I am Carl Auzus.You are watching CNN studentnews.We have a couple of awsome things in this particular Friday.The Men's field high tiger in Texas got our social media question,right?So congratulates to them.And we have a suprise for you in today's

发表于:2018-12-24 / 阅读(153) / 评论(0)

CNN2012年(四)月

【跟着美剧练发音】美剧美语1082期

Nion: She's pretty. Beith: And who's this? Is this an errant apprentice or captive①? SnowWhite: The man is helping me. Gus: We should kill them both. Duir: He's caused us nothing but trouble. Gus: Skewer him and leave her to rot②. I don't like ki

发表于:2018-12-28 / 阅读(104) / 评论(0)

跟着美剧练发音

英文杂志-Magazine：Wormholes

Wormholesby Linda BaxterHave you ever read Carl Sagan's 1985 science fiction novel 'Contact'? Or have you seen the film of the same name starring Jodie Foster? If you have, then you will remember the scene near the end of the film, when the heroine t

发表于:2019-01-02 / 阅读(197) / 评论(0)

英文杂志-Magazine

50年了,我们离《2001:太空漫游》还有多远?

Remembering 2001: A Space Odyssey 50 Years Later It was 50 years ago that the science fiction film 2001: A Space Odyssey opened in theaters across the United States. The film, directed by Stanley Kubrick, was based on a book by Arthur C. Clarke. The

发表于:2019-01-03 / 阅读(154) / 评论(0)

2018年VOA慢速英语(七)月

SSS 2009-01-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. If we want to learn more about our planet and other planets in the universe, we can get some help from stars that are long dead and gone. Thats what U.

发表于:2019-01-08 / 阅读(164) / 评论(0)

Scientific American(一)月

英语演讲稿范文--我重树信心

优秀英语演讲稿范文---我重树信心 I received a devastating blow to my self-confidence in the first interview of my college years. I applied to be a host in our Student Acting Troupe and felt confident that I would be accepted. But one of

发表于:2019-01-08 / 阅读(117) / 评论(0)

英语演讲

世界名人简介第5期:安格拉·默克尔

Angela Merkel was born in Hamburg in 1954. She became Germanys first female Chancellor and the first from communist East Germany in 2005. Forbes magazine listed her as the most powerful woman in the world in 2006 and 2007. Western media often dub her

发表于:2019-01-11 / 阅读(168) / 评论(0)

世界名人简介

VOA慢速英语 2007 0605a

This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

发表于:2019-01-11 / 阅读(160) / 评论(0)

VOA慢速英语2007年（六）月

英语听力：自然百科地球自转的奥秘

Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var

发表于:2019-01-22 / 阅读(140) / 评论(0)

自然百科2009年

2015-04-15 BBC:星光七纪元-25

Once the fusion stops, the whole thing collapses under its own weight to form a white dwarf, so you got this very small blob which is incredibly dense, it's going to be something like a million times denser than it started off, so dense in fact that

发表于:2019-01-23 / 阅读(175) / 评论(0)

探索与发现2015年

2015-04-17 BBC:星光七纪元-26

Thats why what we physicists called pressure. This pressure is created as the particles jostle for position. Its a principle of Quantum Mechanics and when it was applying to stars, the lives of dead white dwarfs suddenly made sense. What stopped them

发表于:2019-01-23 / 阅读(160) / 评论(0)

探索与发现2015年

2015-04-22 BBC:星光七纪元-27

The enigma of the white dwarf has been resolved. Scientists have discovered how the vast majority of the stars, including our own sun, would end their days, as the white dwarfs gently fading into the darkness of the universe. But not all stars go so

发表于:2019-01-23 / 阅读(182) / 评论(0)

探索与发现2015年

Dark Matter

> 43 存在于恒星与行星间的黑色物质 DATE=5-2-01 TITLE=SCIENCE REPORT - Dark Matter BYLINE=Jill Moss (Start at 58

发表于:2019-01-30 / 阅读(134) / 评论(0)

科技之光

经济学人255:桌面上的天体物理学怎样构建多元宇宙

Science and technology 科学技术 Table-top astrophysics 桌面上的天体物理学 How to build a multiverse 怎样构建多元宇宙 Small models of cosmic phenomena are shedding light on the real thing 微小模型逐步揭开宇宙中各种现象

发表于:2019-02-02 / 阅读(111) / 评论(0)

经济学人科技系列

经济学人295:桌面上的天体物理学怎样建立一个多元宇宙

Science and technology 科学技术 Table-top astrophysics 桌面上的天体物理学 How to build a multiverse 怎样建立一个多元宇宙 Small models of cosmic phenomena are shedding light on the real thing 宇宙现象的一些小模型反映了

发表于:2019-02-02 / 阅读(185) / 评论(0)

经济学人科技系列

英文原版对话1000个:778 Climbing

Todd: So, Shona, you are quite fit. You like to run. Do you like to do anything else? Shona: Yeah, actually. I like quite a lot of different sports. I like to play tennis. That is like something that I like to participate in with someone else, but al

发表于:2019-02-06 / 阅读(176) / 评论(0)

原版英语对话1000个

神舟6号飞天相关雅思词汇(24)

Webersat 韦伯卫星美国小型无线电照相卫星 West Ford 西福特美国广播通信试验卫星 Westar(West Star) 西联星美国国内通信卫星 White Cloud 白云美国海洋监测卫星 W

发表于:2019-03-02 / 阅读(183) / 评论(0)

英文语法词汇

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