【題目】“Iris scan （虹膜掃描）, please,” the bank’s computer voice tells you. You step up and the computer reads your eye, comparing it to the stored file it has of your iris. The images had better match---otherwise, you won’t be able to get your money.

Iris scanning and other technologies, such as fingerprint and voice scanning, have appeared in many science fiction movies in the past. Today, these advanced technologies are part of the real world. They are common at work, the bank, the airport, and your local prison. The iris scan, fingerprint scan, and voice scan are all examples of biometrics(生物測(cè)定學(xué)), a fast developing area of automatic personal identification technology. Basically, biometrics uses various ways to verify a person’s identity, based on the individual’s unique characteristics, including fingerprints, signature, and so on.

Biometrics identification systems have a number of advantages over password systems. The primary advantage is that an individual has to be physically present in order to be identified. Another important advantage is that there are no passwords to remember, forget, lose, or steal.

The voice scan is the simplest and most affordable form of biometrics. It only requires a computer, a microphone, and the correct software. The software records a subject’s voice and then compares it to a stored voice sample for identification purpose.

For additional safety, fingerprint and handprint scans can also be employed. Fingerprint scans take the image of a fingerprint and compare it to a stored file of prints. Handprint scans identify the unique features of a hand.

【1】The first paragraph serves as a(n) ________.

A. example B. explanation

C. comment D. conclusion

【2】The underline word “verify” in Paragraph 2 probably means “________”.

A. protect B. confirm

C. develop D. change

【3】Which is the most accurate form of biometrics?

A. The voice scan

B. The fingerprint scan

C. The iris scan

D. The facial scan

【4】What is the author’s attitude towards the future of biometrics?

A. He is uncertain about it.

B. He feels doubtful about it.

C. He is worried about it.

D. He feels hopeful about it.

【5】What is the author’s purpose in writing the text?

A. To explain the importance of identification technology.

B. To discuss the potential of biometrics systems.

C. To introduce the technology of biometrics.

D. To show the advantages of iris scanning.

【答案】

【1】A

【2】B

【3】C

【4】D

【5】C

【解析】

【1】段落分析題 文章第一段講的是諸多生物測(cè)定法中的一個(gè)“例子”—虹膜掃描

【2】猜詞題 根據(jù)句意“不同的生物學(xué)測(cè)定法就是來(lái)‘確認(rèn)’一個(gè)人的身份”

【3】常識(shí)題 眾所周知一個(gè)人的虹膜比指紋、聲音、面貌更具獨(dú)特性。

【4】推理判斷題 根據(jù)文章意思，作者介紹這幾種測(cè)定方法時(shí)，表現(xiàn)出了這些測(cè)定法對(duì)人類(lèi)的貢獻(xiàn)，所以是“充滿希望”。

【5】主旨題 本文就是介紹了幾種生物測(cè)定學(xué)中的確認(rèn)人們身份的方法。

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