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Passage 1 What is the substance of discovery? Can we obtain the experience of 1 who discover and make their work generally 2 or must each generation of scientists and inventors 3 again? Why do some scientists burn out 4 young while others remain creative 5 old age? Why are so many discoveries and inventions 6 by those who work in poorly funded institutions? 7 scientists have no idea how they do science 8 historians of science have no idea how scientists do science, then who does? The strange thing is that we 9 as if discovery were the inevitable by-product 10_well-organized research programs and as if the 11 management techniques appropriate to 12 bridges, motorways and power stations were 13 to the generation of new ideas. We 14 of cost-effective science and of 15 resources into centers of excellence. By 16 such ideas to their conclusion, however, we 17 reduce the gene bank of cultural diversity to such a(n) 18 that we would produce only scientific clones-specialist technicians at 19 -whose imaginative powers, never awaked. 20 , planned research is essential, and scared resources need saving but, since science is essentially a journey into the unknown, there must be a place for occasional detours to examine the unexpected.1. A. them B. which C. those D. people2. A. available B. free C. open D. convenient3. A. absorb B. learn C. practice D. understand4. A. at B. by C. from D. when5. A. into B. as C. even if D. though6. A. collected B. made C. caused D. produced7. A. when B. Since C. If D. As8. A. yet B. but C. also D. and9. A. act B. function C. appear D. perform10. A. in B. by C. of D. for11. A. aim B. project C. assignment D. activity12. A. build B. building C. building of D. the building13. A. applicable B. right C. accurate D. just14. A. consider B. argue C. talk D. examine15. A. fastening B. making C. fixing D. concentrating16. A. observing B. chasing C. following D. obeying17. A. might B. must C. should D. can18. A. range B. spread C. stretch D. extent19. A. last B. large C. best D. length20. A. However B. Of course C. In addition D. Besides
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