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
大学生提高听力的水平应注意的几个问题
大学英语考试四级听力考前的辅导(1)
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大学英语考试四级听力考前的辅导(4)
大学英语四级考试听力的附试题和答案
四级听力考前的备战
听说并举的英语的学习法
大学英语四级考试听力附试题和答案
大学英语四级听力应试的技巧
短文听力理解解题的技巧
大学英语考试四级听力考前的辅导(3)
如何形成听力的“条件反射”呢?
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复合式听写的题型和解题的方法
大学大学英语四、六级填空式听写的技巧
24日大学英语四级考试听力的附试题和答案
历年四级听力真题分析及命题的预测(上)
共同的解题的技巧
“M 7齐步走听力的学习法”
地点与方向的类型
听力试题的命题规律和解题的技巧
英语的听力:课下重积累考试巧应对
四级听力考试技巧:四级听力小对话九种题型必胜的技巧
1998年1月大学英语四级考试听力的附试题和答案
英语听力的学习之我见
听力对话神蒙的原则
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