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  3. As computers and connectivity become cheaper, it makes sense to bake the chips into more and more things that are not, in themse

As computers and connectivity become cheaper, it makes sense to bake the chips into more and more things that are not, in themse

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问题     As computers and connectivity become cheaper, it makes sense to bake the chips into more and more things that are not, in themselves, computers—from coffee machines to factory robots—creating an "internet of things", or IoT. It is a slow【C1】________that has been gathering pace for years, as computers have found their way into cars, telephones and televisions. But the transformation is about to go into overdrive. One【C2】________is that by 2035 the world will have a trillion connected computers, built into everything from food packaging to bridges and clothes.
    Such a world will bring many【C3】________. Consumers will get【C4】________, and products that can do things non-computerised versions cannot. Amazon’s Ring smart doorbells, for instance, come【C5】________with motion sensors and video cameras. Working together, they can also form what is,【C6】________, a private CCTV network,【C7】________the firm to offer its customers a "digital neighbourhood-watch" scheme and pass any interesting video【C8】________to the police.
    Businesses will get efficiency,【C9】________information about the physical world that used to be ephemeral and uncertain becomes【C10】________and analysable.【C11】________lighting in buildings saves energy. Computerised machinery can【C12】________its own breakdowns and schedule preventive maintenance. Connected cows can have their eating habits and vital signs【C13】________in real time, which means they produce more milk and require less medicine when they fall ill. Such gains are【C14】________small but, compounded again and again across an economy, they are the raw material of growth—potentially a great deal of it.
    【C15】________the long term, though, the most【C16】________effects of the IoT will be in how the world works. One way to think of it is as the second phase of the internet. This will carry with it the business models that have come to【C17】________the first phase—all-conquering "platform" monopolies. Ever more companies will become tech companies; the internet will become【C18】________. As a result, a series of【C19】________arguments about ownership, data, surveillance, competition and security will【C20】________over from the virtual world into the real one.
【C7】
选项 A、leaving
B、authorizing
C、admitting
D、allowing
答案D
解析 本句意为“实际上，通过多方合作，这种门铃还可以形成一个私人闭路电视网络，________公司向顾客提供‘数字环境监控’服务”。因为门铃涉及房屋主人的隐私，因此需要得到允许才可以继续提供服务。leave主要指不加干涉；authorize主要指权威性的认可和允许，语气较重；admit意为“承认”；allow意为“允许”。将四个选项代入句中可知，只有D项符合文意。故本题选D。
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