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
经典少儿英语儿歌歌词:red roses
少儿英语歌曲歌词:How many apples
幼儿英语儿歌歌词
原版少儿英语歌曲:Are you sleeping
幼儿英语儿歌歌词:Happy Birthday
少儿英语歌曲:If You’re Happy
原版少儿英语歌曲精选
少儿英语歌曲:The Alphabet Song
原版少儿英语歌曲:Row your boat
经典少儿英语儿歌歌词:In a Week
幼儿英语儿歌歌词:Swanee River
经典少儿英语儿歌歌词:You are My sunshine
经典英文儿歌歌词:It ain’t Gonna Rain no more
少儿英语歌曲:I See Something Blue
幼儿英语儿歌歌词:Loch Lomond
少儿英语歌曲:What Do You Want for Christmas?
原版少儿英语歌曲:Good morning to you
少儿英语歌曲:The Alphabet Song1
少儿英文歌曲大全:做一个蛋糕
少儿英语歌曲歌词:Wash and dry
少儿英语歌曲:Head Shoulder’s Knees and Toes
少儿英语歌曲歌词
经典少儿英语儿歌歌词:Lulala Song
少儿英文歌曲大全:追逐鼹鼠
少儿英语歌曲歌词:Let s Go to the Garde
幼儿英语儿歌歌词:Skip to my Lou
经典少儿英语儿歌歌词:hey moon
少儿英语歌曲歌词:walking walking
幼儿英语儿歌歌词:Down in the Valley
经典英文儿歌歌词:A Bicycle Built for two
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