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But the barriers are disappearing, in part because journals and funding agencies worldwide are encouraging scientists to make their data public.
出自-2017年6月阅读原文
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It might be tempting, therefore, to think that the old barriers have been broken down and equal opportunity achieved.
出自-2011年6月阅读原文
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Now it's like a barrier has been let down.
出自-2010年6月阅读原文
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What he tried to do was to teach a male dolphin called Bass and a female called Doris to communicate with each other across a solid barrier.
出自-2012年6月听力原文
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As long as it's impossible to produce something from nothing, costs are absolutely a barrier.
2018年6月六级真题(第一套)阅读 Section C
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But the new work does go further than previous research and suggests that screen time should still be considered a potential barrier to young people's flourishing.
2019年12月六级真题(第一套)阅读 Section B
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Even Hillary Clinton says that when it comes to college, Costs won't be a barrier.
2018年6月六级真题(第一套)阅读 Section C
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However, despite 2 billion people worldwide already supplementing their diet with insects, consumer disgust remains a large barrier in many western countries.
2019年12月六级真题(第二套)听力 Section B