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
11日雅思考试写作题目回忆
19日雅思听力考题回顾
雅思阅读真题话题自然科学类总结
13日雅思考试阅读真题回忆
22日雅思阅读考试回忆
7日雅思阅读真题回忆
19日雅思口语考题回顾
28日雅思口语回忆
14日雅思考试写作真题及范文
7日雅思口语真题总结
12日雅思笔试回忆
7日雅思听力真题回忆
28日雅思口语考试Part Two总体分析
15日雅思考试口语真题回顾
14日雅思考试A类考题回顾
4日雅思阅读回忆
12日雅思阅读真题回忆
12日雅思写作A类考题回顾
雅思写作G类5日考题回顾
7日雅思写作真题回忆
14日雅思考试真题听力回顾
14日雅思阅读真题回忆
17日口语考试答题分析
19日雅思写作A类考题回顾
12日雅思口语考题回顾
12日雅思写作真题回忆
16日雅思写作解析及预测
12日雅思听力真题回忆
19日雅思阅读考题回顾
20日雅思写作真题回忆
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |