单词：retothelium
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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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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
英语小短文
St. Peter greeted Justin at the Pearly Gates. St. Peter said, Welcome to heaven. I'm St. Peter. Your name, sir? Justin asked, My name? Don't you know my name? I thought you people knew everything and everyone. St. Peter said, We do. But sometimes new
英文短篇故事（纽约）
By David Gollust State Department 04 September 2007 The United States Tuesday dismissed as a total sham the outline for a new Burmese constitution produced by a national convention assembled by the country's military government. The State Department
2007年VOA标准英语（九月）
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
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
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