Biological Identification Technologies
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
雅思日常口语、习惯语100句(6)
雅思口试考官最爱问的经典问题(5)
[雅思口语词汇整理]味道类和蔬菜类
雅思口试考官最爱问的经典问题(9)
雅思口语抽象话题练习及答案模板
雅思口试考官最爱问的经典问题(4)
雅思口语人物话题参考例文
雅思口试考官最爱问的经典问题(3)
雅思口语辅导教程:两种语言(1)
[雅思口语备考]多米诺骨牌学习法
雅思口试考官最爱问的经典问题(6)
雅思口语辅导教程:两种语言(2)
雅思口语食物词汇:调味品类(3)
雅思口试考官最爱问的190个经典问题(4)
雅思口语话题考试常用名言20句
雅思口试考官最爱问的经典问题(2)
雅思口试考官最爱问的经典问题(7)
雅思口语命题趋势分析
雅思口语常用50句精品短句
探秘雅思口语中词汇的奥秘
雅思日常口语、习惯语100句(2)
雅思口语辅导教程:两种语言(3)
雅思口语考察重点 把握人物关键点
雅思日常口语、习惯语100句(1)
雅思日常口语、习惯语100句(9)
三关解决雅思口语“口蹦单词”障碍
雅思口语发音盲点解析
雅思日常口语、习惯语100句(5)
[专家支招]如何应对雅思口语中的难话题?
雅思日常口语、习惯语100句(7)
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |