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  3. While western governments worry over the threat of Ebola, a more pervasive but far less harmful【C1】______is spreading through th

While western governments worry over the threat of Ebola, a more pervasive but far less harmful【C1】______is spreading through th

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问题     While western governments worry over the threat of Ebola, a more pervasive but far less harmful【C1】______is spreading through their populations like a winter sniffle: mobile personal technology.
    The similarity between disease organisms and personal devices is【C2】______. Viruses and other parasites control larger organisms,【C3】______resources in order to multiply and spread. Smartphones and other gadgets do the same thing,【C4】______ever-increasing amounts of human attention and electricity supplied【C5】______wire umbilici.
    It is tempting to【C6】______a "strategy" to both phages and phablets, neither of which is sentient.【C7】______, the process is evolutionary, consisting of many random evolutions,【C8】______experimented with by many product designers. This makes it all the more powerful.
    Tech【C9】______occurs through actively-learnt responses, or "operant conditioning" as animal behaviourists call it. The scientific parallel here also involves a rodent, typically a rat, which occupies a【C10】______cage called a Skinner Box. The animal is【C11】______with a food pellet for solving puzzles and punished with an electric shock when it fails.
    "Are we getting a positive boost of hormones when we【C12】______look at our phone, seeking rewards?" asks David Shuker, an animal behaviourist at St Andrews university, sounding a little like a man withholding serious scientific endorsement【C13】______an idea that a journalist had in the shower. Research is needed, he says. Tech tycoons would meanwhile【C14】______that the popularity of mobile devices is attributed to the brilliance of their designs. This is precisely what people whose thought processes have been【C15】______by an invasive pseudo-organism would believe.
【C16】______, mobile technology causes symptoms less severe than physiological diseases. There are even benefits to【C17】______sufferers for shortened attention spans and the caffeine overload triggered by visits to Starbucks for the free Wi-Fi. Most importantly, you can【C18】______the Financial Times in places as remote as Alaska or Sidcup. In this【C19】______, a mobile device is closer to a symbiotic organism than a parasite. This would make it【C20】______to an intestinal bacterium that helps a person to stay alive, rather than a virus that may kill you.
【C13】
选项 A、within
B、from
C、about
D、through
答案B
解析 此处意为“有点像一个人从严谨的科学角度，拒绝______一名记者在淋浴时得到的想法”。withhold sth．from sth．／sb．意为“不给，拒绝给”，此处表示“拒绝赞同记者的想法”，故B．from符合题意，为正确答案。其他三项均不符合题意，故排除。
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