2020年职称英语综合类考试C级完形填空练习题(1)

2020年职称英语综合类考试C级完形填空练习题（1）

Biological Identification Technologies

When a person walks,the movement of his head,trunk,and limbs（肢体）are all reflected in changes in his body.A computer stores these （51）into a database（数据

库）.Later,the computer can accurately （52）him according to these changes.This is a new biological identification （53）and it can quickly identify an examinee without disturbing him.

Everybody's voice is （54）.When a person's voice is

recorded by an instrument,his voice frequency spectrum（频谱）is called sound print. （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,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

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