单词：wave equation datuming
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Exercise 1-36: Description and Set Phrase Test Let's check and see if the concepts are clear. Pause the CD and underline or highlight the stressed word. Check Answer Key, beginning on page 193. Repeat after me. ......1...... He's a nice guy. ......2.
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Kids who eat better perform better in school, a new study of Nova Scotia fifth-graders confirms. Students who ate an adequate amount of fruit, vegetables, protein, fiber and other components of a healthy diet were significantly less likely to fail a
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孩子的学习成绩与饮食健康息息相关 一项对新斯科舍省五年级小学生开展的研究证实，饮食习惯好的孩子学习成绩也比较好。 加拿大埃德蒙顿亚伯达大学的鲍尔?J?维格勒博士及其同事发现，饮
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The 1.5-kilogram drones, made of carbon fiber, are equipped with an infrared cameras, allowing them to see in the dark. They will also be fitted with radar systems and communications antenna to extend monitoring capabilities. But the truly outstandin
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QINGDAO, Shandong, Dec. 26 (Xinhua) -- China's largest rail vehicle maker, CSR Corp. Ltd, over the weekend launched its first test train that features speeds reaching up to 500 km per hour. The six-car train with a fairshaped head is the newest in th
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