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在人类社会即将进入又一个新千年的时候,《职高生》杂志约我为职校生们写点什么。写点什么呢?老实讲,我对即将到来的千年心存忧患,本世纪未解决的三大难题将伴随人类一同进入21世纪。这就是人口问题、资源问题和环境问题,它们将成为新世纪科技界面临的严峻课题。人口问题至关重要,“地球村”到底能养活多少村民?人口问题不光是个数量问题还有个素质问题。自然资源不仅有丰富与否的问
As the human society is about to enter another new millennium, the Vocational Student Magazine has asked me to write something for the vocational school students. What to write? To be honest, I am worried about the upcoming millennium. The three major problems unsolved in this century will accompany the human beings into the 21st century. This is a population problem, a resource issue, and an environmental issue. They will become serious issues facing the scientific and technological community in the new century. The population issue is of vital importance. How many villagers can the “Global Village” support in the end? The population problem is not only a quantitative issue but also a quality issue. Natural resources are not only rich or not