[网络] 金属自由电子模型

Vision of the Future

Vision of the Future For nearly all of his 86 years, architect Jacque Fresco has been designing cities of the future. Fresco’s structures all derived from a simple form that 1) fascinated him as a b

发表于:2018-11-28 / 阅读(319) / 评论(0)

疯狂英语2004年

外研社新标准高中英语必修第一册--02

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(349) / 评论(0)

外研社新标准高中英语必修（1-4）

国外媒体:技术:文件分享

Technology: File Sharing 技术:文件分享 It has been 10 years since the birth of Napster and the global spread of file-sharing sites. Back in 1999, Shawn Fanning, then a 19-year-old student, could never have predicted the extent to which his simple co

发表于:2018-12-07 / 阅读(154) / 评论(0)

国外媒体新闻

英语流行语：流量收费新模式 “你app我收钱”

Pay-as-you-app is a mobile phone payment model where users purchase data allowances for a predefined collection of apps, the model charges users different rates for data consumed by different apps. Pay-as-you-app是一种新的手机付费模式，手机

发表于:2018-12-08 / 阅读(181) / 评论(0)

英文语法词汇

新视野大学英语视听说 Unit 10-9

Model 2 I was wondering if you was free Sarah: Hi, Jim. Whats your plan for this weekend? James: Well, some of my classmates and I are going on a hike. I was wondering if you were free to join us. Sarah: Wow! That sounds a lot of fun.. Next weekend m

发表于:2018-12-11 / 阅读(150) / 评论(0)

新视野大学英语：视听说教程 1

商务口语：介绍公司在本领域的重要地位

第一句： We have been importing and exporting all kinds of metals and minerals for thirty years. 我们经营各种金属和矿石的进出口业务已经有30年了。 A: We have been importing and exporting all kinds of metals and minerals for

发表于:2018-12-26 / 阅读(178) / 评论(0)

天天商务口语

新视野大学英语视听说教程 4 Unit 4-7

MODEL2 Something unexpected has come up. Script Bob: Hello. Susan: Hello, its Susan Smith from Parker Electronics. Bob: Hi, Sue, Bob here. How is it going? Whats on your mind day? Susan: Im calling on behalf of my boss, Mrs. Helen Parker. She wants s

发表于:2018-12-29 / 阅读(168) / 评论(0)

新视野大学英语：视听说教程 4

新视野大学英语视听说教程 2 Unit 4-9

Model 3 Are the free magazines free? Peter: Jane, whats that magazine youre reading? Jane: Its one of those free magazine you can pick up around town. Its got some pretty interesting articles in it. Peter: Wake up, Jane! Its not free at all. Look at

发表于:2018-12-29 / 阅读(154) / 评论(0)

新视野大学英语：视听说教程 2

VOA慢速英语20060731a

DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred

发表于:2019-01-02 / 阅读(208) / 评论(0)

2006年慢速英语（七）月

VOA慢速英语--科学家在污水中发现大量的贵金属

Scientists Find Large Amounts of Precious Metals in Wastewater In recent months, stories about sewers getting clogged have made international headlines. For example, a so-called fatberg, a mass of grease and diapers, clogged London's sewers. A new st

发表于:2019-01-03 / 阅读(248) / 评论(0)

2017年VOA慢速英语(十一)月

SSS 2011-09-08

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths

发表于:2019-01-08 / 阅读(214) / 评论(0)

Scientific American(九)月

VOA标准英语2012--Morsi: Egypt faces Challenges and Opportunities

Morsi: Egypt faces Challenges and Opportunities Egyptian President Mohammed Morsi Tuesday addressed the closing session of the Clinton Global Initiatives annual meeting. He spoke of the challenges facing his government and the region. President Morsi

发表于:2019-01-13 / 阅读(172) / 评论(0)

VOA标准英语2012年(九月)

投资者寻求避险:黄金、石油价格上涨

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(196) / 评论(0)

VOA标准英语2016年(三月)

经济学人34:伦敦金属交易所

Finance and Economics；The London Metal Exchange；Metal cashing；Who wants to buy the LME? 财经；伦敦金属交易所；金属兑现；谁会买下LME？ The sight of a pack of adults shouting at each other is rarely edifying. Unless, that is,

发表于:2019-01-27 / 阅读(203) / 评论(0)

经济学人财经系列

祝贺信写作准则与实例

当获悉某人晋升或是在事业上取得巨大成就时，应该打个电话或是写封便签祝贺。这种友好往来对建立和巩固友好的商业合作关系大有益处。 Here are some principles that congratulatory letters follow: 1.

发表于:2019-02-04 / 阅读(172) / 评论(0)

实用英语

港交所明年在内地推金属交易平台

The owner of the London Metal Exchange aims to target Chinese commodity traders concerned by speculative excesses on the countrys domestic bourses, with plans to establish a physical metals trading platform in mainland China next year. 伦敦金属交易

发表于:2019-02-05 / 阅读(184) / 评论(0)

英语新闻

英国学生科学读本第37期:关于便士(1)

Lesson 37 All About A Penny 第37课关于便士 When I was a little boy, pennies, and halfpennies, and farthings were made of pure copper. But copper is too soft a metal to stand the rubbing which coins get. So these old pennies soon became so smoo

发表于:2019-02-07 / 阅读(185) / 评论(0)

英国学生科学读本

经济学人334:科技出版业好书来了

Science and technology 科学技术 Scientific publishing 科技出版业 Brought to book 好书来了 Academic journals face a radical shake-up 学术期刊面临彻底改变 2_副本.jpg IF THERE is any endeavour whose fruits should be freely avail

发表于:2019-02-16 / 阅读(143) / 评论(0)

经济学人科技系列

经济学人236:金属,自己愈合吧 Metal,heal thyself

Metal, heal thyself 金属，自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学：研究人员构想出了一种新颖独特的方法，

发表于:2019-02-17 / 阅读(201) / 评论(0)

经济学人综合

淡水河谷拟与福蒂斯丘组建合资公司

Vale, the worlds biggest iron ore miner, and Fortescue Metals Group have forged an agreement aimed at boosting their competitiveness in the key market of China, and giving the Brazilian company a foothold in the ore-rich Australian Pilbara region. 世界

发表于:2019-02-18 / 阅读(165) / 评论(0)

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