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1、学 海 无 涯Close1 Man has a blood tie with nature and nobody can live outside nature. Nature provides 7us with we need: the air we breathe, the water we drink, and the food we eat.For quite a long time after man began to live in the realm of nature, he lived in fear of its destructive forces. he used to
2、 regard nature with its elemental forces as something hostile to him. And even the forest was something wild and frightening to him. very often ,he was unable to obtain the merest daily necessities though he worked together with others stubbornly and collectively with his imperfect tools , through h
3、is interaction with nature , man changed it gradually . he cut down forest , cultivated land , transferred various species of plants and animals to different climatic conditions, changed the shape and climate of his environment and transformed pants and animals. he subdued and disciplined electricit
4、y and compelled it to serve the interests of society. Nonetheless , with the consta expansion of agriculture and industry , man has robbed nature of too much of its irreplaceabl resources , poluted his own living environment and caused about 95% of the species that have existed over the past 600 mil
5、lion years to become extinct and still many others to be endangered . the previous dynamic balance between man and nature is on the verge of breaking down . man is now faced with the problem of how to stop , or at least to moderate the destructive effect of technology on nature . The crisis of the e
6、cological situation has become a global problem . the solution to the problem depends on rational and wise organization both of production itself and care for mother nature . this can only be done by all humanity , rather than by individuals , enterprises or separate countries. 2 Technology is a hot
7、 issue nowadays. the defenders of technology stress its advantages while the opponents emphasize its disadvantages. Neither side has ever taken the time to look at the opposite point of view. The defenders of technology hold that with technology peoples living conditions have been greatly improved.
8、For example the boom in productivity has made goods better and cheaper. Therefore ，tings that were once luxuries，such as jet travel and long-distance phone calls have become necessities. Medical technology in particular has benefited us a lot ，especially in prolonging life expectancy. On the other h
9、and，the opponents of technology argue that technology makes life obviously worse. Telemarketing traffic jams and identity theft are all phenomena that make people consciously unhappy. In addition many people believe technology disrupts relationships and fractures community. Ever since the Industrial
10、 Revolution the relationship between happiness and technology has been an eternal subject for social critics and philosophers, though economists and social scientists have seldom touched on the topic. However in 1974 the economist Richard Easterlin did groundbreaking work on the relationship between
11、 prosperity and well-being. In his famous paper entitled Does Economic Growth Improve the Human Lot Easterlin showed that there was no real correlation between a nations income level and its citizens happiness in the developed countries. In fact technology is neither good nor bad. It depends on what
12、 we want to do with it. Therefore the responsibility belongs exclusively to humans who have to acquire a social conscience to respect human beings nature and its balances.3 According to craig Russell , when we make an initial effort in our personal quests for knowledge , we may not even know that a
13、certain fild of learning exists . but , after we have done some reading ,we will get to know more about the topic .at the same time ,we may feel that all the reading creates more questions rather than answers them . we then realize how little we really know and how much more we need to read and thin
14、k and write . Russell suggests that we write after reading each time . his experience tells him that it is his writing that has led him to acquire a better grasp of the topic he studies . people may think that only those who know and who are ( sure ) of themselves write . for Russell , however , its
15、 just the opposite,for writing doesnt close things off -it opens things up . To say that the more we know , the more we know we dont know seems contradictory .according to Russell , modern physics tells us that reality itself is contradictory . the more closely scientists look into our physical real
16、ity , the more it slips away from . in a way , the more they learn , the less they know . Craig Russell believes that a proper understanding will inevitably lead us away from the force and rigidity of dogmatism and toward the flexibility and freedom of the individual. Therefore, we must temper our pride in knowing with the humility of not knowing. the truth always exists there ,but , it is like the ra
