单词：interface shear stress
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Back at the explosives lab, examiners use a high-tech instrument called a Raman spectrometer, a device that determines if a package contains explosive material. With the Raman, what we are doing is th
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Tina was going back to school for her third masters degree. She was a Special Education teacher, but she couldnt take her job anymore, so she had quit. The kids were out of control. There were too many of them in one classroom for her to manage effec
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Grammar Girl here. Today were going to recall that the principal is indeed your pal, but well also see that a principal can be so much more. In this episode well talk about the various ways to use principlethats p-l-eand principalthats p-a-l. (These
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New York City is not only home to the nation's most diverse population, its public school system also has the largest variety of so-called specialized schools. These academies concentrate on everything from science and the performing arts to social
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RACHEL MARTIN, HOST: In North Carolina, more than 60,000 students are starting another week without school. Their districts are still taking stock of the damage caused by Hurricane Florence, and many of the students and teachers who evacuated are sti
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What would you do if you were told that the masterpiece you bought for ￡100,000 was actually a fake? That's what happened to British businessman Martin Lang. He thought he was the proud owner of a painting by Marc Chagall, which he bought in 1992.
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