单词：oxygen-oil rocket fuel
单词：oxygen-oil rocket fuel 相关文章
Oil is good and bad. Its good because it helps our energy needs. Its bad because it causes pollution. Oil is a fossil fuel. Burning it produces carbon dioxide (CO2). This is one of the biggest causes of global warming. There isnt much oil left in the
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April 14 is Plant Appreciation Day (PAD). This is when you appreciate just how important plants are to us. Few of us ever stop to think just how vital plants are to our survival. Without them, we wouldnt be here. Plants change the CO2 in the air into
世界节假日博览
An increase in world oil prices is helping Vietnam speed economic growth and build new roads and bridges. But it also means higher fuel prices for its own people. Vietnam is not a major oil-producing nation like some Middle Eastern nations. However,
2018年VOA慢速英语(十)月
By Robert Berger Jerusalem 17 February 2008 Israel says it plans to continue crippling sanctions on the Hamas-ruled Gaza Strip, despite international opposition. The announcement was made as three Palestinian gunmen and a civilian were killed in Isra
VOA常速英语2008年（二月）
The body of an animal may well be compared with(1) some machine like a locomotive engine. Indeed, the animal body is a machine. It is a machine composed of(2) many parts, each part doing some particular kind of work for which a particular kind of str
英语背诵文选第一册
By Nico Colombant Port Harcourt 22 May 2007 Refinery workers in one of the main cities in Nigeria's Niger Delta have started a protest action over the last-minute sell-off of refineries by the outgoing government. Meanwhile, motorists line up for hou
2007年VOA标准英语（五月）
By Jim Teeple Jerusalem 29 October 2007 Israeli officials have begun reducing fuel supplies to the Hamas-controlled Gaza Strip. VOA's Jim Teeple reports Israel has also closed a key crossing point as part of a package of sanctions Israel says is in r
2007年VOA常速英语（十月）
This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Unrest in North Africa and the Middle East has pushed oil prices back into the news. Prices have been rising at their fastest level since two thousand
2011年VOA慢速英语(三)月
Oil is good and bad. Its good because it helps our energy needs. Its bad because it causes pollution. Oil is a fossil fuel. Burning it produces carbon dioxide (CO2). This is one of the biggest causes of global warming. There isnt much oil left in the
纯正英语一分钟
The land-speed record 地面速度记录 How to build a 1,000mph car 怎样建造时速1000英里的汽车 Hybrid rocketry will be used to drive faster than ever before 混合火箭技术将用于更快地驱动车辆 May 5th 2011 | from the print ed
经济学人综合
32 阿波罗登月计划(二) DATE=4-18-01 TITLE=EXPLORATIONS #1948 - PROJECT APOLLO (PART TWO): APOLLO THIRTEEN BYLINE=MARILYN RICE CHRISTIANO ANNCR: Explorations --- a program in special English by
科技之光
The U.S. space agency is moving ahead with preparations for Thursday's scheduled launch of the space shuttle(航天飞机) Discovery on its mission to the International Space Station. NASA said it was loading liquid oxygen and liquid hydrogen into th
英语新闻
Rising fuel costs are making it more expensive to move food and other goods to the marketplace. That means prices are going up for consumers, but incomes may not be rising enough to keep pace with inflation. As VOA's Kent Klein reports, it also mean
VOA标准英语2008年（八月）
BEIJING, Sept. 26 (Xinhuanet) -- Weather forecasts showed that Thursday or Friday might be suitable for launching the Tiangong-1 spacecraft, experts said. The unmanned spacecraft, part of China's first spacecraft rendezvous and docking mission, was s
英语新闻
German Car Manufacturer Audi Creates Fuel From Air And Water 奥迪用空气和水合成新燃料 Creating an alternative green or carbon neutral fuel to replace gasoline has been the holy grail for scientists for many years. However, while there has
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WASHINGTON, March 29 (Xinhua) -- U.S. President Barack Obama pressed the Congress on Thursday to end billions of dollars in subsides handed out to oil companies each year. Today, Members of Congress have a simple choice to make, said Obama. They can
英语新闻
The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代，宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres
经济学人科技系列
Hydrogen and Industries Hydrogen,the lightest and simplest of the elements, has several properties that make it valuable for many industries. It releases more heat per unit of weight than any other fuel.In rocket engines, tons of hydrogen and oxygen
双语有声阅读
On the morning of July 16, 1969, Neil and his two fellow Apollo 11 crewmen rose at 4:15 A.M. They had steak and eggs for breakfast, the same breakfast all astronauts had before a flight. The night before a special visitor had arrived for dinner to wi
名人认知系列 Who Was
但我没同意 But I said no to that. 可我同意了 And I said yes. 而平局则由我说了算 And I settle all ties. 和我换座位 Change seats with me. 干嘛 Why? 这里有穿堂风吹我脖子 There's a draft on my neck over here. 那我被吹
生活大爆炸第三季