单词：potential energy line
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Jason Aldean took home the Entertainer of the Year at the 2017 Academy of Country Music Awards. And a variety of artists gave top-notch performances. The Backstreet Boys shined brightly at the 2017 Academy of Country Music Awards. The boy band had th
cctv9英语新闻2017年
2001 年 1 月大学英语四级考试试题及参考答案 Part Ⅰ Listening Comprehension (20 minutes) ? Section A Directions : In this section, you will hear 10 short conversations. At the end of
大学四级英语考试听力真题
Technophiles mobbed Apple stores in Europe and Asia on Friday to snatch the hottest gadget of the day - the iPad. Apple has sold more than a million of the small tablet computers since its U.S. launch last month, forcing the company to delay its inte
VOA标准英语2010年(五)月
Welcome to the Science Talk, the weekly podcast of Scientific American posted on February 18th, 2010. I am Steve Mirsky. And you know what the hottest sport in the world is right now? Thanks to the Winter Olympics, it is, of course, curling. That's t
Scientific American(二)月
Potential energy in a crossbow When we think of the concept of energy, we often think of objects in motion: a car rolling down a hill or a jogger running up a hill. This kind of energy-in-motion, called kinetic energy, isnt the only kind of energy. A
英语时差8，16
National Hanging Out Day is a day to think about the environment and what you can do to help it. It is on April 19th each year. Its very simple. On this day, you make sure you hang your clothes out to dry on a clothes line. We can save a lot of money
世界节假日博览
National Hanging Out Day is a day to think about the environment and what you can do to help it. It is on April 19th each year. Its very simple. On this day, you make sure you hang your clothes out to dry on a clothes line. We can save a lot of money
英语课程学习计划和讲义
今天我们要学的词是 populist。Populist 指的是民粹主义者，Italys new populist government has moved to scrap a new high-speed railway line between London and Milan, damning the project as a potential waste of money，意大利新上任的
英语单词荟萃
And it's why, over the last eight years, we've modernized the government's approach to innovation for the 21st Century. 也因此,在过去的8年里,我们让政府在21世纪的创新方式上现代化。 We've jumpstarted a clean energy revolution
奥巴马每周电视讲话
By Selah Hennessy London 20 October 2009 A global watchdog group says world oil supplies are running low and that may lead to food shortages and spiraling armed conflict. Britain-based Global Witness says governments are doing nothing to prepare for
VOA标准英语2009年(十月)
Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak
2015CRI中国国际广播电台
China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
2017CRI中国国际广播电台
A: Who does manpower planning for our company？ B: Human Resoursces will do it with the plants. A：我们公司的人力规划是谁来负责？ B：人力资源部和工厂一起完成。 2.Potential programs 潜在项目 A: Who is tracking the potential programs？ B: The Commerci
天天商务口语
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
托福英语
今天我们要学的词是reach out。Reach out, 意思是主动去接触。美国国务卿克林顿首次访问缅甸。 Secretary State Hillary Clinton is trying to reach out to the new Burma government, 国务卿克林顿试图与新的缅甸政府
英语单词荟萃
How to Create Passion Anywhere and Anytime Remember Science class? Mr. Thatcher, sophomore year in high school, taught us about potential and kinetic energy. I was way more interested in Pam Miller, who sat perilously close to me. But on Mr Thatcher
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今天我们要学的词是walk a fine line. To walk a fine line, 小心行事。 Coaches have to walk a fine line between pushing their players to their full potential and pushing them too hard, 做为教练，一定要在鼓励运动员充分发挥潜
英语每日一词
今天我们要学的词是walk a fine line. To walk a fine line, 小心行事。 Coaches have to walk a fine line between pushing their players to their full potential and pushing them too hard, 做为教练，一定要在鼓励运动员充分发挥潜
英语单词荟萃
Swinging Physics: Potential And Kinetic Energy Working Together 动能与势能相互作用 动能是所有能看到的运动的能量，包括物体的，微粒的或质点集的运动等。 势能(Potential energy )是位置的函数，例如把一个
英语听力文摘 English Digest
Sit on a swing, let someone push you, and away you go. But what happens if the person who pushed you walks away, and you want to swing faster and higher. If you've ever been in the second grade, you know the solution to that. Just start pumping your
英语时差8，16