1.根据牛顿的发现, 白光是所有可见光叠加而成的。这就是加色概念的典型例子。例如去掉蓝色色调, 白光就会变为黄色, 还有其他例子等等。然而当把颜料的所有颜色混合, 我们会得到黑色, 这就是典型的减色理论, 黑色代表所有颜色都存在。加色是透射光的领域的概念, 减色是色素、染料和化学品的领域的概念。2.但是我们对创新的追求究竟是为了实现什么呢?创新就是一种重要的新产品或者新程序, 或者是一项制度, 能够在实际生活中大范围的应用, 对经济和社会有着革命性的意义, 就是以更低成本实现更高的工作效益。遗憾的是我们现在几乎把一切事情都用创新来形容, 因为不是所有创新都能给社会财富的増长和生活的改善提供一个长久的平台。3.睡眠问题研究者发现, 总的来说, 大多数人都是随着年龄的增加, 睡眠问题却越来越少, 上了年纪的人反而对失眠有更好的承受力。睡眠模式的大多改变都发生在20岁到60岁之间。那些经历着睡眠问题的人, 应该去看医生才好。因为他们经历的问题也许是某种生病的迹象, 也许是一些药物的副作用。
Choose ONLY ONE text form the following and translate it into English. Write your translation on the Answer Sheet provided if more than ONE translation appears on the Answer Sheet, only the first or the indicated one would be scored
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