设限观察值

人教高中英语高二上UNIT1-2

It is not necessary to be a great scientist to make a difference, but there are things we can learn from the best minds in this world. Great scientists like Stephen Hawking always want to know more. They are never satisfied with a simple answer and a

发表于:2018-12-04 / 阅读(97) / 评论(0)

人教高中英语高二

新东方背诵文选 L27. Scientific Theories

In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc

发表于:2018-12-15 / 阅读(216) / 评论(0)

新东方背诵文选

托福阅读备考之长难句分析：厄尔尼诺现象

Scientists try to document as many past El Nino events as possible by piecing together bits of historical evidence, such as sea-surface temperature records, daily observations of atmospheric pressure and rainfall, fisheries records from South America

发表于:2018-12-19 / 阅读(96) / 评论(0)

托福英语

Solving problems Scientifically

LESSoN TEN (B) TEXT B Solving problems Scientifically There are scientific ways in which man solves problems. once his curiosity has been aroused, he uses certain methods and procedures to obtain new

发表于:2018-12-30 / 阅读(190) / 评论(0)

自考英语（一）78讲

经济学人:天文学:新星诞生(2)

Dr Molnar s interest was piqued at a conference in 2013, Molnar博士的兴趣源于2013年的一次会议， when Karen Kinemuchi, another astronomer, presented some puzzling findings on a particular star seen by Kepler, a space telescope designed c

发表于:2018-12-30 / 阅读(146) / 评论(0)

经济学人科技系列

UNIT 4 Look into Science! Lesson 26: One Wet Danny?

[ti:UNIT 4 Look into Science! Lesson 26: One Wet Danny?] [0:00.493]UNIT 4 第四单元 [0:02.588]Look into Science! 走进科学！ [0:04.930]Lesson 26: 第26课： [0:06.840]One Wet Danny? 丹尼湿透了吗？ [0:09.028]THINK ABOUT IT! 想一想 [0

发表于:2019-01-09 / 阅读(286) / 评论(0)

河北教育初中英语（初中起点）八年级下册

创新英语教程第三册UNIT16

[00:05.20]3 And when you cant answer! [00:13.84]Listen and practise saying the expressions. [00:20.01]1.Sorry,my minds gone completely blank. [00:25.44]2.Wait,itll come to me in a minute. [00:33.18]3.Wait,its on the tip of my tongue. [00:41.64]4.Sorr

发表于:2019-01-10 / 阅读(255) / 评论(0)

创新英语教程第三册

托福语法攻略:独立分词(2)

独立分词(2) (5). Most of his works today reflect his observations of Chinese people's lives in their different aspects, the emphasis being on the countryside lifestyles of the northern Shaanxi and Tibetans in Zhongdian, in southwest China's Yunna

发表于:2019-01-18 / 阅读(108) / 评论(0)

托福英语

公众人物毕业演讲第405期:拜登2013宾夕法尼亚大学(3)

My hat is off to you To all the parents. 我向你们脱帽致敬对于所有家长 I offer you special congratulations today Not only. 我今天特别祝贺你们并不只是因为 Have your sons and daughters completed an education at what my dau

发表于:2019-01-25 / 阅读(123) / 评论(0)

公众人物毕业演讲

经济学人164:悼念艾伦·施瓦茨

Obituary 逝者 Aaron Swartz 艾伦施瓦茨 Aaron Swartz, computer programmer and activist, committed suicide on January 11th, aged 26 艾伦施瓦茨，计算机程序员、活动家，1月11日自杀身亡，享年26岁 SMALL, dark, cluttered plac

发表于:2019-01-27 / 阅读(132) / 评论(0)

经济学人文艺系列

英语博客：Ten, ten, ten.

I realized today, that yesterday's date was special: 10/10/10. It was October 10th, 2010. I had been too busy over the weekend to stop and realize the curious and interesting date. While I was chatting to my sister-in-law today, she mentioned that sh

发表于:2019-01-28 / 阅读(136) / 评论(0)

英语博客 A cup of English

Orangutans1

Broadcast: Jan 17, 2003 By George Grow This is the VOA Special English ENVIRONMENT REPORT. Orangutans are great apes that live in coastal2 jungles on the islands of Borneo and Sumatra. A team of inter

发表于:2019-01-30 / 阅读(226) / 评论(0)

VOA2003（上）-社会广角

英语新闻视频：史努比漫画形象登大银幕了

Charlie Brown, 'Peanuts' Gang to be Reimagined inNew Film A new animated feature based on the comic strip isbeing planned for a 2015 release. 经过长达两年的谈判后，20世纪福克斯获得了经典漫画《花生》的改编权，这部尚未

发表于:2019-02-05 / 阅读(110) / 评论(0)

英语新闻视频

公众人物毕业演讲第298期:本伯南克2013普林斯顿(2)

I should say that he always added that he would do it all over again in a minute So, well done, moms, dads This is indeed an impressive and appropriate setting for a commencement 但他总会补充说再让他选择他还是会这样做所以说你

发表于:2019-02-16 / 阅读(115) / 评论(0)

公众人物毕业演讲

英语听书《海底两万里》第297期第22章强逼睡眠(2)

And so, by loading up its ballast tanks, or by sinking obliquely with its slanting fins, 诺第留斯号或者是把所有的储水池装得特别满，或用纵斜机板斜斜下降， the Nautilus successively reached depths of 3,000, 4,000, 5,000,

发表于:2019-02-17 / 阅读(118) / 评论(0)

《海底两万里》中英双语有声读物

VOA标准英语2010年-Five New Planets Discovered by NASA's

Artist's conception of the Kepler spacecraft, launched in 2008 to identify planets orbiting distant stars Related Links Kepler The planets we found are all hotter than molten lava. ... Looking at them might be like looking at a blast furnace. Scienti

发表于:2019-02-18 / 阅读(179) / 评论(0)

VOA标准英语2010年(一月)

英语听力—环球英语 1154 Going to the Forest

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 3 Keep close to Nature's heart... b

发表于:2019-02-21 / 阅读(117) / 评论(0)

环球英语 Spotlight

【英音模仿秀】动画世界

模仿句子：In the past decade, Pixar have produced WALLE, Brave and latest Toy Story while Disney's output includes Tangled, Wreck-It Ralph and in 2014, the most commercially successful animated film ever, Frozen. 翻译：在过去十年里，皮克

发表于:2019-02-23 / 阅读(101) / 评论(0)

英音模仿秀

双语有声阅读：科学理论

Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of this is

发表于:2019-02-25 / 阅读(110) / 评论(0)

双语有声阅读

【英语时差8,16】英国美国大不同-上

William: One thing that British people always say... Joe: Yeah. William: When we got to America, is we always say, Everything's so much bigger. Like... the streets are bigger, cars are bigger, refrigerators are bigger, washing machines are bigger. Wh

发表于:2019-03-06 / 阅读(161) / 评论(0)

英语时差8，16

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