二十世纪是个“极端时代”，又是个大发展的时代。在基本完成电气化、机械化、工业化之后，人类又将其智慧投之于核能、生物工程、电子信息等方面，全球入p从世纪初的16记猛增至九十年代初的s3亿；九十余年创造的财富超过以往的一千年……“生活于这个时代无疑是幸运的，人们尽 The twentieth century is an “extreme era” and an era of great development. After the completion of electrification, mechanization and industrialization, human beings have devoted their wisdom to nuclear energy, bioengineering and electronic information. Since the beginning of the 20th century, the world’s population has soared from 16 to the beginning of the 1990s. The wealth created over the years more than a thousand years ... ... "living in this era is undoubtedly lucky, people do