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					If private plans demanded similar productivity savings from providers, and refused to let providers shift additional costs to them, the savings could be much larger. 出自-2016年6月阅读原文
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					Many universities simply refuse to release their exact graduation rates for first-generation students. 出自-2015年12月阅读原文
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					Why he refused to answer her call. 出自-2013年6月听力原文
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					I'm afraid to refuse to work, but I'm more afraid to expose my unborn child to the radiation. 出自-2012年12月听力原文
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					Workers have the legal rights to refuse certain unsafe work assignments under two federal laws: the Occupational Safety and Health Act and the National Labor Relations Act 出自-2012年12月听力原文
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					The black slaves from Guinea and Angola have demanded to be well treated, threatening to refuse to have children. 2018年12月六级真题(第二套)阅读 Section B