最近,科学家提出了一个引起激烈争论的新说——微量放射线也许对人体有益。这一观点的提出产生了强烈的反响,人们开始重新正视对放射线功过是非的评价。谈起放射线,人们总是对它畏之如虎,并产生种种不安和恐怖的联想,因为放射线常常是导致白血病和癌症的罪魁祸首。人们还消楚地记得第二次世界大战末,美国在日本的广岛、长崎投下原子弹,使该地人民遭受的不幸;时至今日,该地一些人因放射线造成的各种生理缺陷 Recently, scientists have come up with a new argument that has caused heated debate - that the use of trace-radiation may be beneficial to humans. The proposal of this view has had a strong response and people have begun to reassess the assessment of merits and demerits of radiation. Talking about radiation, people are always afraid of it as tigers, and all kinds of unease and horror association, because radiation is often the culprit leading to leukemia and cancer. It is also vividly remembered at the end of World War II that the United States dropped atomic bombs on Hiroshima and Nagasaki in Japan and caused misfortune to the people in that area. To date, some people in the area have suffered various physiological defects caused by radiation