When a person walks,the movement of his head,trunk,and limbsare all reflected in changes in his body.A computer stores these into a database.Later,the computer can accurately him according to these changes.This is a new biological identification and it can quickly identify an examinee without disturbing him.
Everybodys voice is .When a persons voice is recorded by an instrument,his voice frequency spectrumis called sound print. a fingerprint.everybodys sound print is different.How can a computer his sound? First, his voice is recorded, allows the computer to become familiar with his voice.It will then turn his sound characteristics into a series of digits.These are the on which the computer can distinguish his voice from anothers.
We often bring ID cards,work cards, or driving licenses with us to our identity.If all these cards are forgotten or lost.How can we prove whom we are? In ,its not difficult to prove whom you are, your body itself has identifying markers.Some are physiologicalfeatures, such as fingerprints,sounds,facial types and eye color. The computer can to identify you.Suppose your features have already been in the database.To identify you, we have to take your picture with a camera and send it to a computer for . First, the computer needs to reposition this picture according to the position of your eyes, and then starts to read the of your physiological features such as the ratio of your pupil to the whites of your eyes and the shape of your nose.Next, it seeks matching records from the database.Finally,it makes a decision.
51 A parts B changes C positions D directions
52 A identify B inform C affect D bother
53 A number B card C level D method
54 A soft B loud C unique D clear
55 A With B Like C For D As
56 A distinguish B make C gather D develop
57 A who B where C that D which
58 A reasons B causes C basis D origin
59 A prove B create C hide D protect
60 A all B fact C summary D case
61 A unless B though C so D because
62 A stop B help C mean D continue
63 A stored B borrowed C searched D linked
64 A printing B researching C processing D filing
65 A point B picture C size D message
答案:51. B 52. A 53. D 54. C 55. B 56. A 57. D 58. C 59. A 60. B 61. D 62. B 63. A 64. C 65. D
上海合作组织成员国元首理事会青岛宣言[1]
体坛英语资讯:Liverpool striker Firmino criticizes Ramos for remarks about Champions League final
毕业季:来看看2018届哈佛毕业生的十大特征
研究:橙汁冻了再喝有助吸收
朝美领导人首次会晤在新加坡举行
美国对叙利亚的空袭猛增两倍
Flash in the pan?
美国人慈善捐赠突破4000亿美元
体坛英语资讯:China clinches seventh gold at FINA Diving World Cup 2018
伊万卡发了条“中国谚语”,中国网友:并不知道是哪句
体坛英语资讯:Bolt continues pursuit of professional football career
国内英语资讯:Commentary: Qingdao summit ushers in new era for SCO
国内英语资讯:Chinese military aircraft arrives in New Zealand for joint exercise
体坛英语资讯:Halep, Muguruza make into womens semifinals at Roland Garros
世界多方为改善女性接受教育筹资近
国内英语资讯:Premier Li stresses efforts to ensure basic pension payments
国内英语资讯:Chinese military phases out profit-making contract work
体坛英语资讯:Taklimakan Rally: Racers fight with complicated terrain
体坛英语资讯:Slovenias Piran wins 3x3 Challenger in Ulan Bator
娱乐英语资讯:Hollywood star Robert De Niros four-letter word tirade against Trump triggers controversy
体坛英语资讯:Angolans Cazanga, Carlos to play for Slovenias Krim handball team
国内英语资讯:China welcomes DPRK-U.S. summit achievements
体坛英语资讯:Latin American fans top Russia World Cup ticket global demand
国内英语资讯:China lodges representations after U.S. official attending AIT dedication ceremony in Taipei
国内英语资讯:China provides 6-mln-USD medical aid to Libya
国际英语资讯:UN chiefs position on denuclearization of Korean Peninsula unchanged: spokesman
不想为钱争吵?那就别再做这些事了
国内英语资讯:Xi stresses solid efforts to win battle against poverty
如何戒烟?
体坛英语资讯:World Cup preview: Will Russia 2018 bring Brazil World Cup redemption?