氢发射区

世界上最伟大的演讲--SHALL WE CHOOSE DEATH?我们该选择死亡吗？

SHALL WE CHOOSE DEATH?我们该选择死亡吗？ I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of

发表于:2018-12-07 / 阅读(73) / 评论(0)

世界上最伟大的演讲

太阳科普第6期

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条，都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(113) / 评论(0)

太阳科普

Uses Hydrogen1 as Fuel2

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(108) / 评论(0)

VOA2003（上）-科技导航

我们该选择死亡吗？

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(82) / 评论(0)

英语演讲

CNN 2009-11-25

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(79) / 评论(0)

cnn2009年(十一)月

VOA慢速英语2018 世界首个氢气列车在德国运行

Worlds First Hydrogen Trains Launch in Germany The worlds first hydrogen-powered trains have begun running in Germany. They began carrying passengers Monday in Germanys northern Lower Saxony state. The new trains will run 100-kilometer trips and can

发表于:2019-01-03 / 阅读(65) / 评论(0)

2018年VOA慢速英语(九)月

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(94) / 评论(0)

Scientific American(八)月

德国成功测试氢动力火车环保零排放

Imagine a nearly silent train that glides along its tracks emitting nothing more toxic than water. 想象一下，一辆火车消无声息地沿着铁轨运行，排放物中的有毒物质不过是水。 That train is a reality. 这种火车是真实存

发表于:2019-01-07 / 阅读(56) / 评论(0)

英语新闻

VOA标准英语2009年-Conservation Group: Climate Change Threate

By Daniel Schearf Bangkok 25 September 2009 Cambodian fishing boats at anchor in middle of Mekong River, on outskirts of Phnom Penh, Cambodia's capital (file photo) A conservation group says newly discovered species in the Mekong river region are at

发表于:2019-01-13 / 阅读(53) / 评论(0)

VOA标准英语2009年(九月)

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）

英闻天下——419 Middle East's Largest Solar Plant Opens

Shams 1, which opened on March 17th is Abu Dhabi's latest step towards achieving seven per cent renewable energy production by 2020. By that date, Abu Dhabi plans to produce 1,500 mega watts of electricity from solar power alone. Various types of sol

发表于:2019-01-19 / 阅读(63) / 评论(0)

英闻天下

2015年CRI China Reinforces Quick Response Measures for Smog

Municipal authorities in Beijing announced plans to upgrade from orange to red on Monday night, marking the first-ever time a red-alert has been issued for Beijing since the 4-tiered color-coded system for smog was instituted 3-years ago. The red-ale

发表于:2019-01-19 / 阅读(129) / 评论(0)

2015CRI中国国际广播电台

纽约车展上电动汽车来势汹汹

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(84) / 评论(0)

英语新闻

联合国考虑对朝鲜新制裁

SEOUL/WASHINGTONThe U.N. Security Council said Wednesday that it was working to craft new sanctions against North Korea after its latest nuclear test, while the United States and other world powers voiced skepticism about Pyongyang's claim that the u

发表于:2019-02-04 / 阅读(42) / 评论(0)

英语新闻

托福考试：TOEFL模拟试题

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(106) / 评论(0)

托福英语

雅思单词前缀整理

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(123) / 评论(0)

雅思英语

我们该选择死亡吗

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(126) / 评论(0)

英语美文

各种花样的风筝怎么说？

9月16日是墨西哥馆日，墨西哥馆五颜六色的风筝森林吸引了不少人的眼球，你知道小小的风筝里有什么大学问吗？其实风筝也有很多种分类哦，一起来看看吧。说到kite这个单词，这也许是我们

发表于:2019-02-18 / 阅读(131) / 评论(0)

英语口语

朝鲜宣布成功进行首次氢弹试验

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实，朝鲜成功的进行了

发表于:2019-02-18 / 阅读(68) / 评论(0)

英语新闻

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(92) / 评论(0)

cctv9英语新闻2015年

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ask no questions and you'll be told no lies