2. 职称英语
  3. Next time you enter a username and password, think about the rhythm of your

Next time you enter a username and password, think about the rhythm of your

游客2024-01-31  23
问题     Next time you enter a username and password, think about the rhythm of your typing. Not only can it be used to identify you, it can reveal if you are in a stressful environment.
    It has long been known that the rhythms of a person’s typing style are【C1】______ over time, leading to suggestions they could be used to【C2】______ identity or even spot early signs of Alzheimer’s disease. But little was known about the effect of stress on typing【C3】______ , so psychologist Mike Dowman and colleagues at the University of Abertay investigated.
    They asked 35 people to log into a computer 36 times over three【C4】______ sessions up to a month apart, using the same username and password. People were put into【C5】______ and relaxed states alternately (交替地) by listening to a range of sounds known to【C6】______ particular emotions.
    The length of time each key was held down and the "【C7】______ between one being released and another pressed was recorded to generate a typing "fingerprint" for each person. The team used the data to develop and test software that identifies a person from their typing style【C8】______ .
    The data also showed that stress can be【C9】______ in a person’s typing because it changes the pattern of timings.
    "There’s no question: people do type【C10】______ under stress," says Dowman. He suggests that security systems could be designed to raise the alarm if it seems that a person might be being forced to log into a system. More research will be needed, however, before a system could tell if a person is, say, just having a bad day or being held at gunpoint.
A) stressed E) interval I) differently M) normally
B) alone F) verify J) environments N) patterns
C) provoke G) only K) detected O) separate
D) stable H) unchangeable L) complete [br] 【C1】
选项
答案 D
解析 此处应为形容词。空前的rhythms表明此处表示打字节奏如何，形容词词库中，stable和unchangeable均可用于描述rhythm，根据下文提到的不同压力下同一个人的打字节奏也会不同，可知unchangeable过于绝对，不符文意，故排除，选stable。
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