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Chaos theory was developed by scientists, trying to explain the movement of the planets and the changes in environmental conditions
出自-2013年6月听力原文
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But do economics and finance work in the same way as weather conditions or the movement of planets
出自-2013年6月听力原文
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Because there was slightly more matter, the collisions quickly depleted all the anti-matter and left just enough matter to create stars, planets, and eventually us.
2018年12月六级真题(第一套)听力 Section A
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The founder of two tech companies, Tesla Motors and SpaceX, is bringing electric vehicles to mass market and enabling humans to live on other planets.
2018年6月六级真题(第三套)阅读 Section A