2. 外语
  3. Chalk up (记下) another win for computers. Software【C1】________at the University of Rochester in New York has outstripped (超过) hum

Chalk up (记下) another win for computers. Software【C1】________at the University of Rochester in New York has outstripped (超过) hum

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问题     Chalk up (记下) another win for computers. Software【C1】________at the University of Rochester in New York has outstripped (超过) humans in its ability to identify emotions in speech. The researchers plan to use it to understand the effects of emotion in parent-child【C2】________.
    The software is not the first to recognize the feelings behind human utterances, but it is the first to outstrip humans in a【C3】________comparison. When classifying 700 audio samples, the system got their emotional sense right 72 percent of the time. A group of 138 people working on the same clips【C4】________ 60 percent accuracy. The software was also much better than the humans at recognizing which clips it couldn’t classify【C5】________. When allowed to skip these clips, the accuracy rose to 85 percent.
    The software recognizes emotions on the fly without having to record any of the speech. It identifies【C6】________tract shape, frequency, brightness, flatness, roughness and energy from speech, and uses those properties to model the emotion behind it. The system’s only【C7】________is the emotions it identifies—levels of happiness, sadness, anger, disgust and fear, or neutrality.
    Psychologists plan to use the software to record parents’ emotions when they interact with their children, and to understand how those emotions【C8】________a child’s development. They have already started recording family conversations in the lab.
    Computer scientists are not【C9】________that the software beat the humans as people are just not very good at identifying emotions from speech alone. Recent research has shown that people do better when they have both video and audio cues (提示). The【C10】________of emotion is a multimodal business for people.
    A) accurately  F) discovery     K) produced
    B) averaged    G) emotional     L) promptly
    C) confident   H) impact        M) robust
    D) detection   I) interactions  N) surprised
    E) developed   J) output        O) vocal
【C4】
选项
答案B
解析 动词辨析题。空格所在句的主语部分为a group of 1138 people，宾语部分为60 percent accuracy，空格处应是谓语，时态应为过去时。从词性和形式上来看，剩余选项中只有B项averaged、K项produced和N项surprised “使惊奇，使诧异”符合。由于空格后是数据，故B项averaged“平均值为”是答案。
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