单词：disodium hexafluorosilicate
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There are many arguments about the advantages and disadvantages of examinations. Some people think that examinations can help them review the lessons regularly, while others maintain that too many examinations have frustrated them. To me I think an e
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[00:00.00]Module 1 LEARNING METHODS [00:05.54]Unit 3 Some of the exams were very difficult. [00:11.24]4 Listen and complete. [00:15.06]Mum,I have my report here. [00:18.39]Great. Can you give it to me,please? [00:21.26]Sure. [00:22.78]Oh, this is for
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By Deborah Tate Capitol Hill 09 February 2007 A U.S. Senate panel Friday opened hearings on an internal Defense Department report criticizing the intelligence work on Iraq by senior civilian officials before the U.S.-led invasion in 2003. VOA's Debo
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