优生是我国的国策。人类要发展、要延续、要掌握自然、创造优越的生活环境,因此,就必须提高人类的素质。“优胜劣败”自然淘汰的优生论是科学落后的历史阶段的产物,随着科学的进步和发展,人们已经认识到了遗传因素在优生的重要地位,但是遗传因素这一决定优生的关键又受到客观环境的影响,特别在20世纪的今天,人类生活在高科技发展的社会里影响优生的因素很多,如免疫缺陷、疾病、职业、环境、食品卫生、农药化学品及药物等。乙醇既是药物又是生活必需 Eugenics is our national policy. To develop human beings, to continue, to master nature and create a superior living environment, we must improve the quality of mankind. “Outstanding defeat” natural elimination of eugenics is a product of the historical stage of science backward, with the progress and development of science, people have recognized the important position of genetic factors in eugenics, but genetic factors that determine the key to eugenics and in turn In the 20th century, especially in the 20th century, there are many factors influencing eugenics such as immunodeficiency, diseases, occupations, environment, food hygiene, pesticide chemicals and drugs, etc. in the high-tech developing society. Ethanol is both a drug and a necessity of life