[低温] 平衡氢

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(204) / 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(194) / 评论(0)

VOA2003（上）-科技导航

VOA常速英语2014--美国海军实验室成功将海水转变成燃料

US Navy Lab Turns Seawater Into Fuel 美国海军实验室成功将海水转变成燃料 For centuries, alchemists have tried to turn lead into gold. That transmutation has long been proven impossible, but another similar dream - turning water into f

发表于:2018-12-08 / 阅读(141) / 评论(0)

VOA标准英语2014年(五月)

大学英语自学教程下单词UNIT12

00:06.79]daydream [00:08.16]vi./n.白日做梦 [00:09.53]symptom [00:11.01]n.症状,征兆 [00:12.49]habitual [00:13.81]a.1.习惯性的,习以为常的;2.惯常的,已成规则的 [00:15.12]maladjustment [00:16.71]n.1.失调;2.不适应环境 [00:18.29]compensatory [00:19.75]a.赔

发表于:2018-12-12 / 阅读(196) / 评论(0)

大学英语听力第二册

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(164) / 评论(0)

英语演讲

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(195) / 评论(0)

Scientific American(八)月

IMF下调全球增长预期

WASHINGTON, April 12 (Xinhua) -- The International Monetary Fund (IMF) on Tuesday lowered its forecast for global growth in 2016 to 3.2 percent, saying that the global economy grows at a sluggish pace that leaves the world economy more exposed to ris

发表于:2019-01-17 / 阅读(181) / 评论(0)

英语新闻

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(161) / 评论(0)

英语新闻

精美英文欣赏:What is Your Recovery Rate?你的恢复速率

沉湎过去,就无法与今天同行,明天因而也成了一个遥遥的无期。沉湎过去，就无法让我们的每天过得精彩，痛苦因而成了一个咒语无法摆脱。 What is Your Recovery Rate? What is your recovery rate? How lon

发表于:2019-01-30 / 阅读(242) / 评论(0)

精美英文欣赏

Let Your Mind Wonder

Until recently daydreaming was generally considered either a waste of time or a symptom of neurotic tendencies, and habitual daydreaming was regarded as evidence of maladjustment or an escape from lifes realities and responsibilities. It was believed

发表于:2019-02-03 / 阅读(214) / 评论(0)

实用英语

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(113) / 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(197) / 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(206) / 评论(0)

雅思英语

人民币纳入SDR有助国际金融

WASHINGTON, July 12 (Xinhua) -- The International Monetary Fund (IMF) should include Chinese currency renminbi (RMB) into its special drawing rights (SDR) basket as it will help reform the international financial system to reflect the growing weight

发表于:2019-02-08 / 阅读(227) / 评论(0)

英语新闻

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(207) / 评论(0)

英语美文

英语小达人 272 University Entrance Exam

University Entrance Exam 大学入学考试 UNIVERSITY OF MIAMI ENTRANCE EXAM--FOOTBALL PLAYER VERSION 迈阿密大学入学考试试题（足球运动员特招生卷） Time Limit:3 weeks 时间：3个星期 1. What language is spoken in France? 1. 法

发表于:2019-02-17 / 阅读(178) / 评论(0)

英语小达人

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(222) / 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(143) / 评论(0)

英语新闻

【英语时差8，16】太阳为什么发光

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(200) / 评论(0)

英语时差8，16

经济学人:货币政策长期低息

Monetary policy 货币政策 A long low note 长期低息 Why interest rates can be expected to stay low for years 为什么可以肯定利率在未来数年都会维持在低位？ CENTRAL bankers have a reputation for snatching away the punch bowl

发表于:2019-02-24 / 阅读(161) / 评论(0)

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