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  3. State and local authorities from New Hampshire to San Francisco have begun banning the use of facial-recognition technology. The

State and local authorities from New Hampshire to San Francisco have begun banning the use of facial-recognition technology. The

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问题     State and local authorities from New Hampshire to San Francisco have begun banning the use of facial-recognition technology. Their suspicion is well【C1】________: these algorithms make lots of mistakes, particularly when it【C2】________identifying women and people of color. Even if the tech gets more accurate, facial recognition will unleash an invasion of privacy that could make anonymity impossible.【C3】________, bans on its use by local governments have done little to curb adoption by businesses from startups to large corporations.
    Automated face-recognition programs do have advantages, 【C4】________their ability to turn a person’s unique appearance into a biometric ID that can let phone users【C5】________ their devices with a glance. To train such systems, researchers【C6】________a variety of photographs to a machine-learning algorithm. The more data they【C7】________, the more【C8】________these programs become.
    Too often,【C9】________, the algorithms are deployed prematurely. In London, for example,  police have begun using artificial-intelligence systems to scan surveillance footage in an attempt to【C10】________wanted criminals as they walk by—despite an independent review that found this system labeled suspects【C11】________only 19 percent of the time. An inaccurate system could【C12】________【C13】________innocent citizens of being miscreants, earmarking law-abiding people for tracking, harassment or arrest. This becomes a civil-rights issue because the algorithms are more likely to misidentify people of color.
    Some companies are attempting to improve their【C14】________by feeding them more nonwhite and nonmale faces—but they are not always doing it in【C15】________ways. Google contractors in Atlanta, for example, have been accused of exploiting homeless black people in the company’s quest for faces, buying their images for a few dollars. Such stories suggest that some companies are tackling this problem as an afterthought【C16】________addressing it responsibly.
    Even if someone releases improved facial-recognition software【C17】________high accuracy across every demographic, this technology will still be a【C18】________Because algorithms can scan video footage much more quickly than humans can, facial recognition【C19】________constant surveillance of a population. These systems can easily be used to treat every citizen like a criminal, which destroys individual privacy,【C20】________free expression and causes psychological damage.
【C4】
选项 A、for example
B、for instance
C、as to
D、such as
答案D
解析 词组辨析及逻辑关系题。四个选项分别为[A]for example“例如”；[B]for instance“例如”；[C]as to“关于”；[D]such as“例如”。空格所在句的前半句提到“自动化的面部识别程序确实具有优势”，后半句提到“它们具有……的能力”，由此可知，后半句的内容是对前面所说的优势的具体列举，因此选项[D]最适合。[A][B]两个选项后要用逗号隔开，[C]选项不符合文意，故均排除。
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