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The pioneers of flight have captured public imagination, but the history of aviation is a catalogue of human tragedy and technical disaster. The catastrophic loss of the Hindenburg airship, and the dr

英语小短文 The source of Energy

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

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Topics: American Presidents-John Tyler; The Hindenburg Disaster; result versus consequence versus outcome; ready versus willing; to keep (someone) in the loop Words: delegate to follow in (someone's) footsteps legislature to run for office to resign

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A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

SSS 2008-03-28

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

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Principal: Well it looks to me as if we shall have to fit him in somewhere. What does Monday morning look like? Secretary: Well, Monday morning is extremely busy. You've got all the short list intervi

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Principal: Well it looks to me as if we shall have to fit him in somewhere. What does Monday morning look like? Secretary: Well, Monday morning is extremely busy. You've got all the short list interviews. Principal: Oh goodness. And how long do they

超级简单英语阅读:Flying Saucer

His dad liked to fly balloons. His dad bought big balloons and filled them with helium. Helium is a gas. It is a gas that makes balloons float into the sky. One day his dad brought home a new balloon. He took it out of the box. He took it outside. He

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In a giant hanger in Bedford, the largest aircraft in the world is having some finishing touches, this wing is a fresh addition, next up another engine, this is the Airlander 10, the 92-meter long aircraft will have its first test flight in just a fe

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1. Five people are dead after an unsuccessful emergency landing in Sanford, Florida, setting two houses on fire. The husband of a top NASCAR official and a company pilot are among the dead. An adult and two children who were in their homes were also

英语短文：The source of Energy

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

VOA慢速英语2013 Scientists Use Satellites to Identify Groundwater Losses in the Middle East

Scientists Use Satellites to Identify Groundwater Losses in the Middle East From VOA Learning English, this is SCIENCE IN THE NEWS. Im Avi Arditti. And Im Faith Lapidus. Today we tell about a study of groundwater losses in the Middle East. We also te

VOA标准英语2013--Giant Airship Could Move Huge Amounts of Cargo

Giant Airship Could Move Huge Amounts of Cargo The prototype unveiled in this immense World War II hangar near Los Angeles is just half the size of the final working model. But the prototype is massive, at 75-meters-long. It is wide, flattened on the

2015年CRI China Successfully Tests Self-Developed Near Space Craft

On a cold October day this year in China's Inner Mongolia Autonomous Region, about 100 scientists were busy preparing to test their independently developed high-altitude airship. After a 22 hour flight around 20 kilometers above the earth, the airshi

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His dad liked to fly balloons. His dad bought big balloons and filled them with helium. Helium is a gas. It is a gas that makes balloons float into the sky. One day his dad brought home a new balloon. He took it out of the box. He took it outside. He

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

2006年VOA标准英语-US Company Builds Large High-Flying Balloon to

By Mike O'Sullivan Palmdale, California 06 September 2006 Engineers in the California desert are testing a new communications platform that blends modern electronics with old technology. Developers say a helium-filled balloon carrying high-tech equi

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Let's begin by winding the timeline back 13.7 billion years, to the beginning of time. 让我们把时间往回拨到137亿年前，也就是时间的开始。 Around us, there's nothing. There's not even time or space. 四周是什么也没有，根本

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It's so..you know there are so many bullies,and it goes on so much 现在有很多恃强凌弱者 这种事情经常发生 and you know I think that, you should,especially if you are like a bystander. 我觉得，有些人应该， 特别是如果你就

英文乡村歌曲：Jason Reeves - Helium Hearts

Over the lights of sunset and vine We're floating away From the fortune and fame And your lips are mine They're raspberry wine Your body's a map I will follow into the sky Cause what you got Is all that I want It's all that I want And still that's no