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The change cut their expenditures in half, but the new living arrangement proved too challenging.
出自-2012年12月听力原文
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But the good news is that, Moffitt says, self-control can be taught by parents, and through school curricula that have been proved to be effective.
2016年6月六级真题(第一套)听力 Section C
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Do this and you can easily become the market leader, as Skype has proved.
2015年12月六级真题(第一套)听力 Section C
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Grass fed products have proved to be healthier and more nutritious.
2019年12月六级真题(第三套)阅读 Section B
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It's become so iconic that attempts to change its taste in 1985—sweetening it in a move projected to boost sales—proved disastrous, with widespread anger from consumers.
2017年12月六级真题(第一套)阅读 Section C
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What the designers of American sportswear proved was that fashion is a genuine design art, answering to the demanding needs of service.
2017年6月六级真题(第三套)阅读 Section C