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
人教新目标七年级下《Unit 5 I’m watching TV.》导学案
人教新目标七年级下《Unit 7 What does he look like》导学案
人教新目标版英语七下《Unit 12 Don’t eat in class》word学案
人教新目标七年级下《Unit1 Section A》导学案
人教新目标版英语七下《Unit 1 Where’s your pen pal from》word教案(二)
人教新目标版英语七下《Unit 11 What do you think of game shows》word语法复习教案
人教新目标版英语七下《Unit 8 I’d like some noodles》word教案(一)
人教新目标版英语七下《Unit 7 What does he look like》word语法复习教案
人教新目标版英语七下《Unit 2 Where’s the post office》word教案
人教新目标七年级下《Unit 6 It’s raining》导学案
人教新目标版英语七下《Unit 1 Where’s your pen pal from》word教案(一)
人教新目标版英语七下《Unit 7 What does he look like》word说课教案
人教新目标版英语七下《Unit 2 Where’s the post office》word教案(二)
新目标(Go for it)版初中英语七年级下册全册学案
人教新目标版英语七下《Unit 7 What does he look like》word教案
新目标(Go for it)版初中英语七年级下册教学计划
人教新目标版英语七下《Unit 11 What do you think of game shows》word复习导学案
人教新目标版英语七下《Unit 9 How was your weekend》word学案
人教新目标七年级下《Unit 3 Why do you like koalas》导学案
人教新目标版英语七下《Unit 8 I’d like some noodles》word教案
人教新目标版英语七下《Unit 11 What do you think of game shows》word教案(一)
人教新目标版英语七下《Unit 9 How was your weekend》word教案
人教新目标版英语七下《Unit 1 Where’s your pen pal from》word学案
人教新目标版英语七下《Unit 8 I’d like some noodles》word导学案
人教新目标七年级下《Unit4 I want to be an actor 》导学案
人教新目标版英语七下《Unit 9 How was your weekend》word语法复习教案
人教新目标版英语七下《Unit 10 Where did you go on vacation》word教案
人教新目标版英语七下《Unit 5 I’m watching TV》word学案
人教新目标版英语七下《Unit 7 What does he look like》word学案
人教新目标版英语七下《Unit 2 Where’s the post office》word学案