The human face is a remarkable piece of work. The astonishing variety of fa

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问题    The human face is a remarkable piece of work.  The astonishing variety of facial features helps people【C1】________each other and is crucial to the formation of complex societies. So is the face’s ability to send emotional signals, whether through an【C2】________blush or the artifice (欺骗) of a false smile. People spend much of their waking lives, in the office and the courtroom as well as the bar and the bedroom, 【C3】________faces, for signs of attraction, hostility, trust and deceit. They also spend plenty of time trying to dissimulate (掩饰).
Technology is rapidly catching up with the human ability to read faces. In America facial recognition is used by churches to【C4】________worshippers’ attendance; in Britain, by retailers to spot【C5】________shoplifters. This year Welsh police used it to arrest a suspect outside a football game. In China it 【C6】________the identities of ride-hailing drivers, permits tourists to enter【C7】________and lets people pay for things with a smile. Apple’s new iPhone is expected to use it to unlock the homescreen.
Set against human skills, such applications might seem incremental (增加的). Some breakthroughs, such as flight or the Internet, obviously transform human abilities; facial recognition seems【C8】________to encode them.
Although faces are peculiar to 【C9】________, they are also public, so technology does not, at first sight, intrude on something that is private. And yet the ability to record, store and analyse images of faces cheaply, quickly and on a vast scale promises one day to bring about【C10】________changes to notions of privacy, fairness and trust.
A) attractions       I) password
B) drawing             J) past
C) extends             K) rarely
D) fundamental       L) reading
E) individuals       M) recognize
F) involuntary       N) track
G) merely             O) verifies
H) rninimal [br] 【C1】

选项

答案 M

解析空格前面是谓语动词helps和宾语people，后面是each other，因此空格处需要填入动词原形，构成省略to的不定式短语，作宾语补足语。由第二段和第三段提到的facial recognition可知，文章是围绕人脸识别展开的，而本段是在解释人们进行人脸识别的原因。本句提到，面部特征的千差万别有助于人们________彼此，此处应选择与“识别”意义相近的动词，因此M)recognize为答案。

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