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Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thankyou ！

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Obama: No Quick Fixes in Fight against Islamic State Military leaders from more than 20 countries were in the United States this week for talks with President Barack Obama. They spoke about U.S.-led efforts to defeat the Islamic State militant group.

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Sound During Sleep Fixes Learning A study in the journal Science found that sleeping after learning consolidated the acquisition of the new information, especially if sound cues related to the info were played to the sleeper. Karen Hopkin reports The

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学英语单词

across chest

aids-ravaged

aircraft nose section

alternative fuel

aluminium alloy stranded conductor