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  3. Space exploration has always been the province of dreamers: The human imagination readily soars where human ingenuity(创造力)strugg

Space exploration has always been the province of dreamers: The human imagination readily soars where human ingenuity(创造力)strugg

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问题     Space exploration has always been the province of dreamers: The human imagination readily soars where human ingenuity(创造力)struggles to follow. A Voyage to the Moon, often cited as the first science fiction story, was written by Cyrano de Bergerac in 1649. Cyrano was dead and buried for a good three centuries before the first manned rockets started to fly.
    In 1961, when President Kennedy declared that America would send a man to the moon by the decade’s end, those words, too, had a dreamlike quality. They resonated(共鸣)with optimism and ambition in much the same way as the most famous dream speech of all, delivered by Martin Luther King Jr. two years later. By the end of the decade, both visions had yielded concrete results and transformed American society. And yet in many ways the two dreams ended up at odds with each other. The fight for racial and economic equality is intensely pragmatic(讲求实用的)and immediate in its impact. The urge to explore space is just the opposite. It is figuratively and literally otherworldly in its aims.
    When the dust settled, the space dreamers lost out. There was no grand follow-up to the Apollo missions. The technologically compromised space shuttle program has just come to an end, with no successor. The perpetual argument is that funds are tight, that we have more pressing problems here on Earth. Amid the current concerns about the federal deficit, reaching toward the stars seems a dispensable luxury as if saving one-thousandth of a single year’s budget would solve our problems.
    But human ingenuity struggles on. NASA is developing a series of robotic probes that will get the most bang from a buck. They will serve as modern Magellans, mapping out the solar system for whatever explorers follow, whether man or machine. On the flip side, companies like Virgin Galactic are plotting a bottom-up assault on the space dream by making it a reality to the public. Private spaceflight could lie within reach of rich civilians in a few years. Another decade or two and it could go mainstream.
    The space dreamers end up benefiting all of us —not just because of the way they expand human knowledge, or because of the spin-off technologies they produce, but because the two types of dreams feed off each other. Both Martin Luther King and John Kennedy appealed to the idea that humans can transcend what were once considered inherent limitations. Today we face seeming challenges in energy, the environment, health care. Tomorrow we will transcend these as well, and the dreamers will deserve a lot of the credit. The more evidence we collect that our species is capable of greatness, the more we will actually achieve it.
What does the author say about America’s aim to explore space?
选项 A、It may not bring about immediate economic gains.
B、It cannot be realized without technological innovation.
C、It will not help the realization of racial and economic equality.
D、It cannot be achieved without a good knowledge of the other worlds.
答案A
解析 细节推断题。定位句提到，为种族和经济平等的斗争非常讲求实用，能够产生立竿见影的效果，倒数第二句中接着指出，探索太空的愿望却恰恰相反。说明作者认为探索太空并不实用，不可能产生立竿见影的效果，最后一句补充说明其看法，(太空探索的)目标更具有象征意义，给人一种超凡脱俗的感觉。由此可见．作者认为，美国的太空探索可能不会在短期内产生多少经济效益。所以确定A)为本题的答案。
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