第6部分：完型填空(第51～65题，每题1分，共15分)
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。
Biological Identification Technologies When a person walks，the movement of his head，trunk，and limbs(肢体)are a reflected in changes in his body.A.computer stores these database(数据库).Later，the computer can accurately to these changes.This is a new biological identification quickly identify an examinee without disturbing him.
Eve body’S voice is_______(51)into a_______(52)him according________(53)and it can_________(54).When a person’S voice is recorded by an instrument，his voice frequency spectrum(频谱)is called sound print fingerprint，eye.body’S sound print is different.How can a computer his sound? First，his voice is recorded_________(55)a fingerprint, everybody’s sound print is different. How can a computer________(56)his sound? First, his voice is recorded,________(57)allows the computer to become familiar with his voice.It will then turn his sound characteristics into a series of digits(数字).These are the _________(58)on which the computer can distinguish his voice from another's.
We often bring ID.cards，work cards，or driving licenses with US to _________(59)our identity.If all these cards are forgotten or lost，how can we prove whom we are? in________(60)，it's not difficult to prove whom you are________(61)your body itself has identifying markers.Some are physiological(生理的)features，such as fingerprints，一sounds，facial(面部的)types and eye color.The computer can________(62)to identify you.Suppose your features have already been________(63)in the database.To identify you.we have to take your picture with a camera and send it to a computer for________(64).First，the computer needs to reposition this picture according to the position of your eyes，and then starts to read the ________(65)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
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