B oil, gas and coal could be repeatedly used in the future.
C dependence on non-renewable power sources would be reduced soon ________
D the Chernobyl disaster would happen in two years.
45. What do we learn from the last paragraph?
A Biotechnology can solve all our future energy problems.
B Biological power is cheaper than nuclear power.
C Biological power may not be as dangerous as nuclear power
D Biological power will keep all its promises.
参考答案:B C D A C
答案解析:
41.正确答案为B。本题问的是未来的科学是属于什么的?第一段最后一句给出了答案,属于生物科技,所以选B。
42.正确答案为C。此题为细节题,问的是生物化学能帮助人们生产出什么样的产品?第二段告诉我们,生物化学虽然可以帮助我们生产出新的材料,但这些材料的质量很难达到天然产品的程度。这就否定了选项A、B、D,只有选项C为正确答案。
43.正确答案为D。本题的答案应在第三段里寻找。这段告诉我们,.生物化学可以帮助我们在未来生产出人工器官,以替代人体中发病的器官。故选项D为正确答案。
44.正确答案为A。本题问的是1996年ArthurC.Clarke预见到了什么?第四段第二句告诉我们,未来人们可以用上生物能源,故选A。
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