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https://online2.tingclass.net/lesson/shi0529/0008/8458/LW375.mp3

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今天我们要学的词是background check。 Background check, 是背景调查的意思。美国总统布什最近签署了一项枪支管制法案。"The legislation aims to prevent criminals and the mentally ill from gaining access to dangerous weapons through intensive background checks," 这项立法将通过严格的背景调查，设法防止罪犯和精神病患者获取枪支。

美国南部的德克萨斯州上星期开始对学校系统的教职员工进行犯罪记录的背景调查。"The state of Texas began to perform criminal background checks on teachers and school employees last week," 好的，今天我们学习的词是background check...