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It took hundred of millions of years to produce the life that now inhabits the earth -- aeons of time in which that developing and evolving and diversifying life reached a state of adjustment and balance with its surroundings. ..... The figure is staggering and its implications are not easily grasped -- five hundred new chemicals to which the bodies of men and animals are required somehow to adapt each year, chemicals totally outside the limits of biologic experience.
――京都教育大学 後期日程(3月15日実施)――97年
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