单词：fuel higher heating value
单词：fuel higher heating value 相关文章
Nowadays, most of the food we eat is cooked in ovens or on stoves. The heat which is needed to cook this food comes from burning wood, gas, or other fuels1. However, natural resources2 are decreasing. When fuel becomes less available, people have to
常春藤生活英语
[00:06.79]Lesson 33 1 Read and act [00:15.12]Do you think the air in Beijing is bad? [00:19.77]Yes, it's often quite dirty. [00:24.03]But don't you think it's better than it used to be? [00:28.79]Well,I can't say for sure.I've only lived here for a y
初中英语人教版初三
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
VOA2003（上）-科技导航
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Heart Rate: What A Babys Heart Rate Should Be 婴儿的心率应该为多少呢？ Picture new parents cooing at their baby on the couch. The babys quiet and calm, and everyones at rest. So their heart rates are low, maybe 60 or 70 beats a minute for
初学者听力文摘精选
From the CNN Center in Atlanta, I am Nicole Lapin. Here is a look at what is happening NOW IN THE NEWS. There are more massive evacuations from parts of China's Sichuan Province. Water levels are rising rapidly in lakes formed after the May 12th ear
商业报道2008年(五)月
By Mil Arcega Washington 21 May 2008 The Air Transport Association predicts fewer domestic airline passengers in the U.S. this summer, between June 1 and August 31. The airline trade group says higher fuel prices and a weak economy have reduced airli
VOA标准英语2008年（五月）
Mike O'Sullivan and Bela Skopal With the New York commodity market price for oil at more than $40 a barrel, gasoline has reached record prices throughout the United States. The pain is being felt most
VOA2004（上）--国际时事
SCIENCE IN THE NEWS - A Silent Killer Carbon Monoxide Poisoning This is SCIENCE IN THE NEWS, in VOA Special English. I'm Christopher Cruise. And I'm Bob Doughty. Winter has brought cold weather to many parts of Earths northern hemisphere. With the co
2013年VOA慢速英语(三)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
By Mil Arcega Washington, DC 18 April 2006 watch report Rising Gas Prices Crude oil futures hit $70 a barrel for the first time in seven-and-a-half months Monday, pushed higher by concerns over declin
2006年VOA标准英语（四月）
By Barry Wood Washington 22 May 2008 Economists specializing in Africa say the continent's five-year run of record economic growth is threatened by sharply rising fuel and food prices. VOA's Barry Wood reports on a Capitol Hill forum Thursday sponsor
VOA标准英语2008年（五月）
Rising Jet Fuel Costs Send Airline Fares Soaring Airlines are bracing for a tough year as higher jet fuel prices put a squeeze on profits. In order to recoup higher fuel costs, air carriers are raising ticket prices on travelers, like Brian Blair. Ai
VOA标准英语2012年(三月)
Consumer prices are rapidly rising in Asia, and many people are trying to stretch their budgets. As governments are giving out cash and increasing subsidies on fuel and staple goods to soften the blow on consumers. In Thailand, food vendors say infla
VOA标准英语2011年(四月)
US Motorists Fume, Politicians Bicker Over High Fuel Prices During the past month, gasoline prices have risen 20 percent or more in some parts of the country, draining drivers wallets as they fill up their gas tanks. It is very disturbing. It is very
VOA标准英语2012年(二月)
This is SCIENCE IN THE NEWS, in VOA Special English. I'm Christopher Cruise. And I'm Bob Doughty. Winter has brought cold weather to many parts of Earths northern hemisphere. With the cold comes a danger as old as mans knowledge of fire -- death or i
英语语言学习
BEIJING, Sept. 23 (Xinhua) -- A defunct U.S. satellite is expected to crash down to Earth Friday, with nobody knowing where or when exactly it will hit. This was avoidable, a Chinese expert said Thursday. Pang Zhihao, a researcher from the Chinese Re
英语新闻
Ya?l: Welcome to another episode of Lunch with Don and Ya?l. So, Don, what are you eating today? Don: Nothing. Y: Nothing!?! Are you on a diet or something? D: Not by choice. To be honest, I'm trying to save money by buying less food. Y: Why? D: Beca
英语时差8，16
懂得感恩Love yourself. 爱自己。 Grateful people know that their thankful attitude can also fuel self-compassion. 感恩的人知道他们感恩的态度也会使他们产生自我怜悯。 A study published in the journal Personality and Indi
英语听力广播—Listening