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