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  • 1. (2021·吉林模拟) 从方框中选出适当的句子补全短文,使短文意思通顺,结构完整。

    A. However, there are some worries about the use of facial recognition.

    B. Facial recognition technology has several advantages.

    C. Such technology is really quite safe.

    D. It can quickly confirm a person's identity.

    E. And we know that no two faces are exactly the same.

    Humans have little difficulty recognizing (识别)each other. We may not recall a name, but we can usually remember if we've seen a face. Even twins look a little different. Each human face is truly special. So it is a good way to confirm (确认)a person's identity (身份) by seeing his face. And now we've invented machines that are able to recognize faces at a fast speed.

    Governments, train stations and police services are using facial recognition (人脸识另U) technology. So a wanted criminal can quickly be picked out of millions of people. It only needs a database (数据库)with images (影像).

    Common people, too, are using facial recognition to unlock their phones, their computers. According to Apple, for example, there is only one chance in a million that someone else's face could unlock your iPhone. So you don't need to worry about its safety.

    It can be done in a minute, and we don't need to memorize passwords any more. Whafs more, it's not necessary to touch the machine, especially during the COVID-19 outbreak. The device usually costs little, so it is can be used widely.

    The worries are mainly about people's privacy (隐私).Nowadays we can see more and more cameras in public-and-private places. This means people can be watched and recognized wherever they go and whatever they do.

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