场致发射离子源

赖世雄教你学唱歌: Unit 7 Cotton Field

发表于:2018-11-27 / 阅读(528) / 评论(0)

赖世雄教你学唱歌

新东方优美背诵短文50篇 Unit45:The Source of Energe

45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(343) / 评论(0)

新概念优美背诵短文50篇

魔术美文记英语4级词汇Variety is the Source of Creat

Variety is the Source of Creativity Variety is the source of creativity. Variety injects the fluid of creativity into the most hollow minds. To ensure a triumphant career, variety combined with flexibility to fit in diverse circumstances is the major

发表于:2018-11-30 / 阅读(334) / 评论(0)

24篇魔术美文串记4级词汇

新东方背诵文选 L45.The source of Energy

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(173) / 评论(0)

新东方背诵文选

英闻天下——573 Beijing's New Emission Standard Begins Feb 1

The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous

发表于:2018-12-19 / 阅读(53) / 评论(0)

英闻天下

每日一词【146】field：空旷的地方

今天我们要学的词组是field。 Field多指空旷的地方。比如原野，旷野, 还有油田 - oil field, 战场 - battlefield，等等。作为动词， field有回答、答复的意思。比如，白宫发言人常常要回答一些很棘

发表于:2018-12-30 / 阅读(255) / 评论(0)

英语每日一词

Cotton Field

发表于:2019-01-04 / 阅读(228) / 评论(0)

英文歌曲第四辑

每日一词【1056】Source：来源

今天我们要学的词是source。 Source, 意思是来源。 Social Security is a reliable income source for seniors, 社会保障是美国老年人可靠的收入来源。 Police have received thousands of tips, according to a source close to the

发表于:2019-01-07 / 阅读(91) / 评论(0)

英语每日一词

VOA常速英语2008年-Experts: Free Open Source Software Could Help A

By Kari Barber Dakar 21 March 2008 In many African countries, few people have access to computers and the Internet. Experts say this is hindering development and preventing students from being able to compete for jobs. At a conference in Dakar this w

发表于:2019-01-07 / 阅读(111) / 评论(0)

VOA标准英语2008年（三月）

学个词Learn a Word 第1056期 Source

发表于:2019-01-07 / 阅读(51) / 评论(0)

英语单词荟萃

人教版小学英语五年级下--UNIT SIX A field trip

UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t

发表于:2019-01-09 / 阅读(292) / 评论(0)

人教版小学英语五年级

2007年VOA标准英语-NASA Mission to Seek Polar Lights' Energy Sourc

By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north

发表于:2019-01-12 / 阅读(107) / 评论(0)

2007年VOA标准英语（二月）

VOA标准英语2010年-Non-binding Copenhagen Agreement Facin

Negotiators at the climate summit in Copenhagen last month failed to agree on a new climate change treaty to replace the current Kyoto Protocol before it expires in 2012. Jonathan Lash is president of World Resources Institute, an environmental polic

发表于:2019-01-13 / 阅读(82) / 评论(0)

VOA标准英语2010年(一月)

VOA标准英语2009年-India Satisfied with Copenhagen Summit

India says it is satisfied with outcome of the recent climate summit at Copenhagen, which did not spell out specific targets for reducing carbon emissions. India is hailing the united position adopted by big developing countries at the summit. Anjana

发表于:2019-01-13 / 阅读(86) / 评论(0)

VOA标准英语2009年(十二月)

VOA标准英语2011--Samasource Provides Jobs for Poor Via the Internet

Samasource Provides Jobs for Poor Via the Internet The World Bank says 1.3 billion of the world's seven billion people live in extreme poverty, surviving on less than $1.25 a day. Aid organizations have long relied on charitable contributions to help

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VOA标准英语2011年(十二月)

VOA常速英语2007年-US, EU Deadlock Over Emission Cuts May Derail C

By Nancy-Amelia Collins Bali, Indonesia 13 December 2007 The head of the United Nations Climate Change Conference is warning that a deadlock between the United States and the European Union over greenhouse gas emission targets may derail the conferen

发表于:2019-01-16 / 阅读(92) / 评论(0)

VOA常速英语2007年（十二月）

2015年CRI National Carbon Emission Trading Market Planed for 2017

Briefing a news conference on Thursday, Xie Zhenhua, China's special representative on climate change, said the country is exploring emissions trading mechanisms. China now is piloting emission trading in seven provinces or municipalities, and the wo

发表于:2019-01-19 / 阅读(87) / 评论(0)

2015CRI中国国际广播电台

【一起闲话英语】从哪里看新闻-News Source

Alan, Canada speaker How do I get my news? Well, when I lived in Canada I got my news from primarily watching television and reading the newspaper. But since I moved over to Asia and started using computers more and more I find that I get my main sou

发表于:2019-01-23 / 阅读(164) / 评论(0)

一起闲话英语-English Chitchat

CCTV9英语新闻：Golmud refinery working to meet emission standards

China is now on the front lines of efforts to develop energy sources that can balance the goals of sustaining economic growth and protecting the environment. Decisive action is needed to strengthen policy frameworks across the country to reach that g

发表于:2019-02-18 / 阅读(95) / 评论(0)

cctv9英语新闻2015年

英闻天下——214 Beijing's New Emission Standard Begins Feb 1

发表于:2019-02-21 / 阅读(97) / 评论(0)

英闻天下

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