单词：amplifying klystron
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(woman) Today we're going to practice evaluating the main tool used when addressing groups --- the voice. There are three main elements that combine to create either a positive or negative experience for listeners. They can result in a voice that is
托福听力短文
In many corners of our productivity-obsessed society, naps are associated with laziness. Everyone should sleep eight hours at night,the thinking goes, and work all through the day.But that's backward. Most people routinely woke up for several hours i
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During her speech, Pritzker explains the central message of her visit to China and the U.S. side's approach to environmental protection. The central message of our visit is with responsible partnership we will do more business together and in doing s
英语新闻
Question: 问： Does drinking a lot of water after a massage really help flush away toxins, or otherwise augment massages benefits? 在按摩推拿后大量饮水真有助于排毒么？如果不能，那么喝水是否有助于增加按摩的效益？
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Display screens 显示屏 Going through a phase 相转变 A new way to create electronic images 新的电子图案显示方法 Wave of the future? 未来之波 LIQUID-CRYSTAL displays are a familiar and ubiquitous technology. But if Harish Bhaskaran
经济学人科技系列
President Barack Obama is in the U.S. midwest on what the White House calls an economic bus trip through politically important states as he ramps up campaigning for the 2012 presidential election. The president faces some new poll numbers reflecting
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