题目内容

The spaceman found______to look at the earth falling rapidly away from him.

A. a most exciting experience
B. that a most exciting experience
C. the experience most exciting
D. it a most exciting experience

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The purpose of the economists research at the University of Iowa is to

A. predict the outcome of American presidential election.
B. predict the sales result of best-sellers.
C. predict future events.
D. predict diseases like influenza.

According to Gogolla and her colleagues, fearful memories______.

A. only appear in the amygdala
B. tend to form. at a very early age
C. look like a fishing net in the brain
D. influence the growth of young mice

There is a difference between science and technology. Science is a method of answering【B1】______questions; technology is a method of solving practical problems. Science has to do with discovering the facts and relationships between【B2】______phenomena in nature and with establishing theories that【B3】______to organize these facts and relationships; technology has to do with tools, techniques, and【B4】______for applying the findings of science. Another【B5】______between science and technology has to do with the progress in each. Progress in science【B6】______the human factor. Scientists, who seek to understand the universe and know the truth within the highest degree of【B7】______and certainty, cannot【B8】______their own or other peoples likes or dislikes or to popular ideas about the fitness of things. What scientists discover may shock or【B9】______people—as did Darwins theory of evolution. But even an unpleasant truth is【B10】______than likely to be useful; besides, we have the choice of refusing to believe it! But【B11】______so with technology; we do not have the choice of refusing to hear the sound produced by a supersonic aircraft flying overhead; we cannot refuse to breathe polluted air. 【B12】______science, progress in technology must be measured【B13】______the human factor. The purpose of technology is to serve people—people【B14】______not merely some people; and future generations, not merely those who presently wish to【B15】______advantage for themselves. We are all familiar with the【B16】______use of technology. Many people blame technology itself【B17】______widespread pollution, resource depletion(枯竭)and even social decay in general—so much【B18】______the promise of technology is "【B19】______". That promise is a cleaner and healthier world. If wise applications of science and technology do not【B20】______a better world, what else will?
【B1】

A. abstract
B. theoretical
C. profound
D. concrete

二维条码通常分为以下二种类型,行排式二维条码和()。

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