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Science and technology is among the factors that have taken the human civili

游客2023-12-25  26
问题     Science and technology is among the factors that have taken the human civilization to the level it enjoys today. Every milestone in scientific and technological【C1】________has taken society a step forward.
    Numerous scientific innovations that enjoyed their heyday in history were later【C2】________by new ones. Today, although we still admire those inventors, we are not awe-struck (惊叹的) by their innovations or inventions as we now boast of science and technology much more【C3】________than in the past.
    Will the science and technology of our times【C4】________forever?【C5】________.
    In the future, people will view today’s science and technology just as we【C6】________those of centuries ago.
    Therefore, technicians and scientists ought to【C7】________full play to their innovations during the latter’s limited "shelf life."【C8】________, the application and spread of advanced science and technology has been hitting man-made snags (障碍) in today’s world. Many of these【C9】________are imposed by the developed West.
    Science and technology is a【C10】________that belongs to all mankind. To prevent its spread and exchange of scientific data for the sake of narrow interests is a selfish act.
    The International Space Station, a manned space laboratory that saw the first launch in 1998, will complete its【C11】________in 2020 and then go out of orbit, falling into the sea. By then, China will have established its own space station,【C12】________will be the only one of its kind in space at that time. China has expressed its【C13】________to share the space station with the rest of the world. But if U.S. politicians continue【C14】________their obstruction, it will be impossible for U.S. aerospace workers to use the Chinese space station.
    The 5G communication technology, or 5G, is【C15】________the most advanced in the world. Communication technology has been【C16】________by leaps and bounds. It took less than 10 years to develop 3G from 2G and then just three years to leap to 4G. Now communication technology has entered the 5G era, which will help further develop the Internet of Things and artificial intelligence.
    Both China and the United States are frontrunners in 5G technology. U.S. telecom companies and consumers have a【C17】________demand for Huawei’s 5G equipment but have been blocked access because of U.S. politicians’ focus on their own interests. However, 5G is not the end of communication technology. In the near future, quite possibly, it will be replaced by quantum communication technology. The space station technology of today will also be replaced by new ones. One day in future, human beings【C18】________be able to undertake interplanetary journeys as easily as they travel by plane from one country to another. Focusing on immediate interests and【C19】________a blind eye to the future will hamper science workers’ efforts to maximize the benefits of science and technology and will also affect entire society.
    The world needs a【C20】________to maximize the benefits of science and technology, condemn efforts to impose borders on science, and seek to remove restraints on communication.
                                                                                                                                (节选自Beijing Review 2019年1月10日 ) [br] 【C4】
选项 A、enable
B、endure
C、maintain
D、sustain
答案 B
解析 词义辨析。此句意为“我们当今时代的科学和技术能够永垂不朽吗”。enable使能够；endure忍耐，持续；maintain保持；sustain维持。故选B。
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