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时间隧道将人类一步步带入21世纪。据科学考证,大脑发达的智人出现在地球上,大约已有数万年的历史,迄今已有850亿人来到并又离开了这个世界。人的平均寿命直到18世纪还只有18岁,随着科学技术的发展已不断上升:牛痘苗控制了天花的肆虐,将人类寿命提高到40岁;20世纪初制成的青霉素有效地控制了细茵感染,又使寿命上升到65岁;今天,治疗肿瘤、心血管等疾病的研究一旦成功。将使人类平均寿命突破80大关……
Time tunnels bring humanity into the 21st century. According to scientific research, the well-developed Homo sapiens appeared on Earth about tens of thousands of years ago and 85 billion people have arrived and left the world so far. The average human life expectancy was only 18 years of age until the 18th century. With the development of science and technology, there has been a steady increase: vaccinia seedlings control the ravages of smallpox and raise the human life expectancy to 40 years. The penicillin produced in the early 20th century effectively controlled the fine Infection, but also life expectancy rose to 65 years; today, the treatment of cancer, cardiovascular disease research once successful. Will make the average life expectancy exceeded 80 mark ...