[数] 多重数学归纳法

走进剑桥大学第7期:没有铆钉的数学轿

The Mathematical Bridge 没有铆钉的数学轿 The Mathematical Bridge was built in 1749 by James Essex the Younger to the design of William Etheridge. It had subsequently been rebuilt to the same design in 1866 and 1905. 数学桥是1749年詹姆斯

发表于:2018-12-18 / 阅读(122) / 评论(0)

走进剑桥大学

世界节假日博览第47期:圆周率日

Pi Day is on March 14. This is the day when mathematicians and geometry enthusiasts around the world get together and celebrate the mathematical constant of Pi. There are two good reasons to hold Pi Day on March 14. The first is that in the American

发表于:2018-12-29 / 阅读(102) / 评论(0)

世界节假日博览

Schoolyard Habitats

By Jerilyn Watson Broadcast: November 20, 2003 This is Steve Ember with the VOA Special English Education Report. Educational gardens called

发表于:2019-01-02 / 阅读(125) / 评论(0)

VOA2003（下）-教育与新闻

Earthquake1 Warning System

Broadcast: May 16, 2003 By George Grow This is the VOA Special English Environment Report. Scientists in the United States have developed a computer program that they say could provide an early warnin

发表于:2019-01-02 / 阅读(130) / 评论(0)

VOA2003（上）-科技导航

Induction

Talk about English ? BBC Learning EnglishTalk about EnglishBusiness Language To GoPart 2 - InductionThis programme was first broadcast in 2001. This is not a word for word transcript of the programmeCarmela: Forget about struggling（挣扎） with dict

发表于:2019-01-07 / 阅读(452) / 评论(0)

英语讨论

CNN 2010-05-16

Vicious weather in the southern plains. Two deadly tornadoes swirling in unison in southern Oklahoma. All of it caught on tape. There comes one right there. Look at them. They are all over. As you can hear, storm chasers were only reporters because i

发表于:2019-01-08 / 阅读(205) / 评论(0)

CNN2010年(五)月

北师大版高中英语模块10--Unit29(2)-5

[00:00.00]5 We all have genius within us [00:04.35]For years,scientists have speculated [00:06.66]that the talents possessed by [00:08.13]so-calledidiots savants- [00:10.46]as depicted by Dustin Hoffman in the film [00:12.97]Rain Man-may be accessibl

发表于:2019-01-10 / 阅读(310) / 评论(0)

北师大版高中英语模块10(选修)

VOA慢速英语 2008 1001b

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(162) / 评论(0)

VOA慢速英语2008（十）月

VOA标准英语10月-British Researchers Make Major Multiple Sclerosis

British scientists have found a drug used to fight leukemia that appears to stop multiple sclerosis in its early stages and restore lost function to patients. Although still in the clinical trial phase, it is being called by some, the most promising

发表于:2019-01-13 / 阅读(166) / 评论(0)

VOA标准英语2008年（十月）

托福听力单句训练附答案:第94期

听力题目： 7. (A). Alex did fine in calculus. (B). Calculus was hard for Alex. (C). Alex had trouble getting to math class. (D). It used to be difficult for Alex to find us. 8. (A). Why is California so popular? (B). California is my favorite st

发表于:2019-01-18 / 阅读(187) / 评论(0)

托福听力单句训练

2012年手机将实现无线充电

日本富士通实验室的研究人员开发了一种无线充电系统，可同时给一定范围内的手机、数码相机及手提电脑等各种移动设备充电，无需使用电缆。该系统最早可于2012年正式推出使用。该系统被

发表于:2019-01-19 / 阅读(235) / 评论(0)

阅读空间

英语口语之精华语句

1. What college are you attending? 2. What are you majoring in? /What's your major? 3. What grade /class〖年级和班级〗are you in? 4. What school did you go to? /Where do you go to school? 5. How many courses are you taking this semester? 6. I'

发表于:2019-01-21 / 阅读(347) / 评论(0)

天天商务口语

英语六级听力考试预测模拟练习6

[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu

发表于:2019-01-25 / 阅读(191) / 评论(0)

英语六级听力练习集锦

走进牛津大学第26期:牛津大学最大的学部

The Medical Sciences Division is the largest academic division in the University of Oxford, and also an internationally renowned centre for biomedical and clinical teaching and research. 医学部是牛津大学最大的学部，也是一个国际知名

发表于:2019-01-29 / 阅读(137) / 评论(0)

走进牛津大学

VOA慢速英语20060323a

EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o

发表于:2019-01-30 / 阅读(151) / 评论(0)

2006年慢速英语（三）月

英语杂谈：58 The mathematical marriage predictor

You might not think that mathematicians have anything particularly relevant to say about your love life. But you'd be wrong--if we're talking about James Murray, a mathematician at the University of Washington in Seattle who teamed up with Psychologi

发表于:2019-01-31 / 阅读(160) / 评论(0)

英语杂谈

“结石”怎么说

结石怎么说如果说，calculus（微积分）还有一层含义，即表示日常最令人痛之欲绝的结石，您会不会很很惊异？calculus（微积分）和calculus（结石）之间从词源上讲有无联系呢？今天的词海拾贝

发表于:2019-02-07 / 阅读(157) / 评论(0)

英语口语

【英语趣味课堂】围巾-The Scarf

Gabrielle: Hi, Annili! How are you today? Anili: Oh, I'm fine. Gabrielle: Good! Hey, I love your scarf! Anili: Oh, my scarf! Gabrielle: Yeah, where did you get it? Anili: Oh, I bought this scarf in Sydney. Gabrielle: Oh, OK. So, Sidney is your hometo

发表于:2019-02-13 / 阅读(94) / 评论(0)

英语趣味课堂

PBS高端访谈:缅怀另类的天才:约翰·纳什

HARI SREENIVASAN: Returning now to the death of Nobel Prize-winning mathematician John Nash. I'm joined by Nash's colleague and friend Robbert Dijkgraaf, director of the Institute for Advanced Study in Princeton, New Jersey. So, first off, my condole

发表于:2019-02-17 / 阅读(144) / 评论(0)

PBS访谈社会系列

听播客学英语 88 注意距离

In todays podcast, I am going to talk about the English word mind, and about some expressions which contain the word mind. Your mind means the things which happen inside your head, or inside your brain your thinking, in other words. We can say, for e

发表于:2019-02-19 / 阅读(173) / 评论(0)

听播客学英语

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