光呼吸作用-Photorespiration是所有行光合作用的细胞（该处“细胞”包括原核生物和真核生物，但并非所有这些细胞都能运行完整的光呼吸）在光照和高氧低二氧化碳情况下发生的一个生化过程。它是光合作用一个损耗...

火流星看上去非常明亮，像条闪闪发光的巨大火龙，发着“沙沙”的响声，有时还有爆炸声。有的火流星甚至在白天也能看到。 那么，流行于地球运动有什么关系呢?让这篇文章来告诉你吧。Enjoy star gazing?Then this...

不说谎的人觉得它很神秘，说谎的人觉得它很可怕，这就是神奇的测谎仪。In an ideal world, a lie detector machine would measure some involuntary response which everyone has when they lie, but not when ...

这是一篇关于类地行星发现的介绍。For a planet to support life, the planet must be located within its star’s habitable zone. That is, it must be located at a distance where the temperature would a

这是一篇关于类地行星发现的介绍。For a planet to support life, the planet must be located within its star’s habitable zone. That is, it must be located at a distance where the temperature would a...

这是关于语言与知觉谁先产生的讨论。What Came First, Language or Perception? Have you ever wondered what came first? Language or perception? Find out on this Moment of Science. Yael: Down,what ca...

这是一篇讲述地球转动与人类活动关系的科普资料。Spinning Our Planet We all know that humans have quite a knack for changing the natural environment. In spite of this, you probably think some thin...

有一种记忆与城市断然无关，有一段过往美好得令人心碎。对于那些人生从乡村出发的城里人来说，也许会有那么一间早已褪色甚至消失的木屋跟随自己一辈子。如果你拥有诗人笔下的那段记忆，请收好。它纯粹，再美好

该栏目选自沪江网校BEC商务英语【中级秋季班】，精选最地道的商务英语材料，带相关练习与参考答案，方便大家学习商务用语，扩展商务知识，提高BEC考试应战能力。

该栏目选自沪江网校BEC商务英语【中级秋季班】，精选最地道的商务英语材料，带相关练习与参考答案，方便大家学习商务用语，扩展商务知识，提高BEC考试应战能力。