Stephen Hawking on Black Holes

By their very definition,black holes are 1) objects which are not supposed to 2) emit anything .It therefore seemed that the area of the 3) event horizon of a black hole could not be regarded as its 4

高中英语牛津版高一下学期CHAPTER SIX

[00:05.49]Friend or Enemy?'Kill it!' cried Debbie. 'Certainly not,' said Simon. [00:13.74]'Why? You're not frightened of it, are you?It's only an insect.' [00:19.62]'It isn't an insect,Debbie,though it might look like one. [00:24.87]Actually, it's a

考研英语词汇 list10

[00:10.61]disposal dispose dispute disregard [00:15.58]n.处理,处置 vt.安排,布置 vi.处置v.争论，争执 n./v.不管，不顾 [00:20.56]dissatisfy dissolve distance [00:24.48]v.使不满，使不平 v.（使）溶解，（使）融化解散，

大学英语四级词汇 025

eat v.吃 echo n./v.回声，回响；共鸣 economic a.经济学的，经济(上)的 economical a.节省的；经济学的 economy n.经济；节约 edge n.边，边缘；刀口，刃 edit vt.编辑 edition n.版，版本 editor n.编者，编辑 ed

一个简单方法提升你的演讲

When we meet a person, our first impression is based on their body language and their speech. When someone goes up on a stage, or gives a presentation at a business meeting, many pairs of eyes will be following and judging this person. If you are up

高中英语北京必修模块三词汇13

[00:-1.00]extreme bungee jumping ice diving sky surfing [00:-1.50]极端的 蹦极跳 冰下潜水 空中冲浪式滑翔 [00:-2.00]snowboarding snow rafting caption similarity [00:-2.50]用滑雪板滑雪 动力雪橇滑降 标题 类似 [00:-3.00]up

英语歌曲:Travis--colder~~

Travis--colder~~ i'm in love with everything with every face i've ever seen and every place i've ever been has left its mark upon my worries i color in the world i see i pick apart the melody 'cause maybe there's a symphony caught inside but there's

VOA慢速英语 2008 0520a

Agriculture Report - Cork: More Than Just a Bottle Stopper New uses are found for this environmentally friendly crop, even as some winemakers change to plastic or metal caps. Transcript of radio broadcast: 19 May 2008 This is the VOA Special English

TED演讲:为什么油水不能混合(1)

Why does salt dissolve in water but oil doesn't? 为什么盐可溶于水而油却不行呢？ Well, in a word,chemistry. But that's not very satisfied, isn't it? 总的来说，是化学作用。但这并不令人满意，对吧？ Well, the reason

英语美文：一份爱的礼物

我有钱啦!鲁本一本正经地告诉店主。店主走向橱窗，取出鲁本梦寐以求的东西。鲁本一路狂奔到家，冲进前门。妈妈正在厨房擦洗灶台。瞧，妈妈！瞧！鲁本一边跑向她一边大叫着。他把一个

Going gliding

Going gliding 滑翔 NB: This is not an accurate word-for-word transcript Kate:Hello and welcome to 6 Minute English with me, Kate Colin. In this programme we're going to be talking about gliding. This is when you fly in a light unpowered （无动力的）

英语小达人 415 A Boy with a Mission(1)

A Boy with a Mission 男孩的使命 In 1945, a 12-year-old boy saw something in a shop window that set his heart racing. But the pricefive dollarswas far beyond Reuben Earle's means. Five dollars would buy almost a week's groceries for his family. 1

万物简史 第159期:爱因斯坦的宇宙(2)

In 1875, when a young German in Kiel named Max Planck was deciding whether to devote his life to mathematics or to physics, he was urged most heartily not to choose physics because the breakthroughs had all been made there. The coming century, he was

VOA慢速英语20060912a

AGRICULTURE REPORT - Cork: More Than Just a Bottle StopperBy Dana Demange Broadcast: Tuesday, September 12, 2006 This is the VOA Special English Agriculture Report. Cork is a light brown material harv

专家建议胸衣10天洗一次

Experts have lifted the lid on how often women should wash their bras - and the results may surprise many clean freaks. 专家揭晓了女性应该多久洗一次胸罩的答案，结果令清洁狂们大吃一惊。 According to a textile expert, br

你了解自己的头发吗？

A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分

英国学生科学读本 第43期:一块粘土(1)

Lesson 43 A Lump Of Clay 第43课 一块粘土 Do you know where clay comes from? If you take a long walk near the town in which you live, you will very likely find some deep hole or pit in the ground from which men are digging out the stuff we call

Aboutyourhair头发的常识

A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分

经济学人358:计量测定学 识别人们的行踪

Science and technology 科学技术 Biometrics 计量测定学 Clocking people's clocks 识别人们的行踪 Facial-recognition systems are getting better 面部识别系统愈发完善 WITH some pride, the FBI trumpeted the news last month that tha

英语听书《白鲸记》第785期

I know not that any other author has hinted of the matter; 我不知道是否有其他作家提及此事， but by inference it seems to me that the sturgeon must be divided in the same way as the whale, 不过据我推断，鲟鱼也一定是按大鲸