____(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 w[nextpage]hom 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 2008年理工类c级考题出题特点: 1. 来自教材“送分题”共37分:其中词汇选项题部分直接送分(属于教材原题)4分,间接送分题(属于教材中原有词汇题的“改头换面”)(3分);阅读理解有一篇直接来自理工类教材(the hyper-x/flying the hyper skies); 完型填空来自教材(biological identification technologies); 2. 整套考题送分比例, 考题中的语言难度,问题设置难度, 考点设置情况基本与07年理工c考题难度相当;