单词：quadratic equation in one variable
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闭着眼睛飘单词 四级词汇
Teacher Uses Music to Make Math Fun, Cool Making math fun The voice heard in the video belongs to mathematics teacher Jake Scott. Most of the performers are his students. Watching videos is not part of their daily routine but it is one of the essenti
VOA标准英语2013年(一月)
第一句：Mr.Smith, Mr.Brown of DEF Computer Company is on the line. 史密斯先生，DEF电脑公司的布朗先生找您。 A: Mr. Smith, Mr. Brown of DEF Computer Company is on the line. 史密斯先生，DEF电脑公司的布朗先生找您。
天天商务口语
第一章 练习13：重读方式 Exercise 1-13 Variable Stress Exercise 1-13: Variable Stress Notice how the meaning of the following sentence changes each time we change the stress pattern. You should be starting to feel in control of your sentence
美式英语正音训练
SYDNEY, Feb.4 (Xinhua) -- The Commonwealth Bank of Australia ( CBA) is the first of Australia's big four banks to pass on the central bank's interest rate cut to home loan customers. The Reserve Bank of Australia cut interest rates by 0.25 percent on
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