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

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

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

The science of attraction

Callum: Hello, I'm Callum Robertson and this is Entertainment. Today we're talking about love. Love is one of the strongest emotions there is and that's usually how we think of it, as an emotion. Love is the topic of many many songs, poems, plays, f

交流表达-064.Relief

交流表达-064.Relief

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

2007年VOA标准英语-Emergency Relief Goods on Display at Aid & Trad

By Lisa Schlein Geneva 01 February 2007 Getting essential relief supplies to victims of natural disasters and conflict is critical for their survival. These emergency goods do not just magically appear out of the air. They have to be purchased. A wid

VOA标准英语2012--Aid Workers Struggle to Cope with Syrian Refugee Influx

Aid Workers Struggle to Cope with Syrian Refugee Influx Early afternoon at the Bab al-Salama Camp on the Syrian side of the Turkish border. Aid workers are distributing food to people waiting to become refugees in Turkey. The Turkish government is al

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

2007年VOA标准英语-Relief Workers Struggle to Help Thousands Displ

By Scott Bobb Caia, Central Mozambique 14 March 2007 For weeks, relief officials have been trying to cope with a human disaster caused by flooding in central Mozambique's Zambezi River basin. The floods have destroyed the homes and crops of more tha

Relief materials sent to quake-hit SW China

BEIJING, June 25 (Xinhua) -- Tents, quilts, coats and other relief materials have been sent to southwest China's Yunnan and Sichuan provinces in the wake of an earthquake that jolted the area on Sunday, the Ministry of Civil Affairs said Monday. Loca

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

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

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

VOA标准英语2008年-US Raises Burma Relief Donations to $16 Million

By Luis Ramirez Bangkok, Thailand 12 May 2008 The United States has delivered its first load of humanitarian supplies for victims of Cyclone Nargis in Burma, and announced it is raising its relief donation to more than $16 million. A U.S. Air Force C

学个词Learn a Word 第889期 sigh of relief

今天我们要学的词是sigh of relief。 A sigh of relief, 是松了一口气的意思。Fans breathed a sigh of relief after x-rays showed the quarterback suffered no major injuries, X光检查结果发现橄榄球四分位没受重伤，让球迷

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

VOA标准英语2008年-Cuban-Americans Readying Relief Effort for Cuba

Cuban-Americans in Miami, Florida are collecting donations and aid supplies for people in Cuba who have been affected by Hurricane Ike and other recent storms. VOA's Brian Wagner reports that community leaders are asking U.S. and Cuban officials to

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

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