山西省2012高考英语二轮复习专题训练：阅读理解（68）.doc

1、山西省2012高考英语二轮复习专题训练：阅读理解（68）阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。AClean your ears, because airport security might soon be scanning them. According to a recent discovery, the shape of ears could provide a reliable new way of identifying people at airports.Researchers discovered that ears of

2、each person have a unique shape and they have created a system that can scan them. The ear scanning technique uses a technology called image ray transform that highlights all the tubular structures (结构) of the ear and measures them. Professor Mark Nixon, a computer scientist who led the team from th

3、e University of Southampton, believes ear scanning could take place as passengers walk through security gates, for example, by placing cameras on either side to record an image of their ears. Comparing the results against a database of ear shapes, the new system could help airport security workers i

4、nstantly identify passengers.Nixon and his team tested 252 images of different ears and found the system was able to match each ear to a separate image held in its database with 99 percent accuracy.Besides ear scanning, there have been other systems developed for identity recognition. “With facial r

5、ecognition, the systems are often confused by crows feet (鱼尾纹) and other signs of ageing,” Nixon said. “Your ears, however, age very gracefully. They grow proportionally (按比例) and your lobe (耳垂) gets a bit larger, but otherwise your ears are fully formed from birth.” Whats more, facial recognition s

6、oftware is often confused by changes in expression so people need tcontrol their faces and in some cases even avoid wearing make-up.An ear scan system would also offer a less invasive alternative to retina (视网膜) scanning, which requires passengers to stare at scanners from a close range.Fingertip de

7、tection has long been the most effective way of identifying someone. Nixon expects there to be a combination of different techniques that can be used at the same time to identify a person.”1. The ear scanning system would help to find out _.A. where you come from B. whether you are healthyC. who you

8、 areD. who shares your ear shape2. The article does not say _.A. who developed the systemB. how the system worksC. where the system can be appliedD. how long the system took to develop 3. Ear scanning would work better than facial recognition mainly because _.A. the ear scanning system is computeriz

9、edB. ears change less with age than faces C. facial expressions are often the sameD. facial appearances arent unique4. The underlined word “invasive” in the last but one paragraph possibly means “_”.A. comfortable B. expensiveC. disappointingD. annoying5. Nixon has developed the ear scanning system

10、while theres already the fingertip detection because _.A. ear scanning can be used at airports B. fingertip detection is not so convenientC. he doesnt think one system is enoughD. ear shapes are easier to read than fingerprintsB We are all interested in equality, but while some people try to protect

11、 the school and examination system in the name of equality, others, still in the name of equality, want only to destroy it. Any society which is interested in equality of opportunity and standards of achievement must regularly test its pupils. The standards may be changed no examination is perfect b

12、ut to have no tests or examinations would mean the end of equality and of standards. There are groups of people who oppose this view and who do not believe either in examinations or in any controls in school or on teachers. This would mean everything would depend on luck since every pupil would depe

13、nd on efficiency, the values and the purpose of each teacher. Without examinations, employers will look for employees from the highly respected schools and from families known to them a form of favoritism will replace equality. At the moment, the bright child from an ill-respected school can show ce

14、rtificates to prove he is suitable for a job, while the lack of a certificate indicates the unsuitability of a dull child attending a well-respected school. This defense of excellence and opportunity would disappear if examinations were taken away, and the bright child from a poor family would be a

15、prisoner of his schools reputation, unable to compete for employment with the child from the favored school. The opponents of the examination system suggest that examinations are an evil force because they show differences between pupils. According to these people, there must be no special, differen

16、t academic class. They have even suggested that there should be no form of difference in sport or any other area: all jobs or posts should be filled by unsystematic selection. The selection would be made by people who themselves are probably selected by some computer. 6.The word “ favoritism” in par

17、agraph 3 is used to describe the phenomenon that_.A. bright children also need certificates to get satisfying jobs.B. children from well-respected schools tend to have good jobs.C. poor children with certificates are favored in job markets.D. children attending ordinary schools achieve great success

18、.7.What would happen if examinations were taken away according to the author?A. schools for bright chdren would lose their reputation.B. There would be more opportunities and excellence.C. Children from poor families would be able to change their schools.D. Childrens job opportunity would be affecte

19、d by their school reputation.8.The opponents of the examination system will agree that_.E. jobs should not be assigned by systematic selection.F. computers should be selected to take over many jobs.G. special classes are necessary to keep the school standards.H. schools with academic subjects should

20、 be done away with.9.The passage mainly focuses on _.A. schools and certificates B. examinations and equalityC. opportunity and employment D. standards and reputation10 .The underlined word “reputation” means _. A. successful achievement B. good title C. strict management D. fameCSomewhere on the ot

21、her side of the world, a small group of workers is busy with a life-or-death struggleThis battle isnt about self-protection, as admirable as that might be By slaying to face the radiation and fire at Japans Fukushima Daiichi Nuclear Power Station following the earthquake and then tsunami（海啸）in Japan

22、, the 50 or so workers may have already shortened their lifeThey knew that would happenAnd yet they stay, working in near-total darkness, pumping seawater onto exposed nuclear fuel in hopes that they can prevent thousands of tons of radioactive material going into the air, and protect the health of

23、millions of people Their task sounds like something out of a sci-fi thrillerThey worked on the equipment in the complete darkness only by their flashlights, listening for explosionsThey carry heavy oxygen tanks on their backsThey wear white, full-body jump suits to protect their bodiesLike Oscar sai

24、d in Armageddon: Scariest environment imaginableThats all you have to sayAccording to news reports, some of the 50 workers volunteered to remain behind to take charge of the fire pumps with which theyre spraying seawater on the exposed fuel Its part of the job, part of the training, an American nucl

25、ear power plant operator said Nobody makes a secret of the possible dangers at a place like thisIf theres a problem, you dont call somebody in to fix itIts our problemWere the only ones who can fix itThats just what we doI dont know about you, but Ive never really thought of nuclear power plant work

26、ers as guardians at the gate those whose jobs may at any time place them in a position to protect us, perhaps at the risk of their own livesThese are obviously guardians at the gateIn every case theyre trained to respond to unknown possibilitiesFor them, it isnt a matter of courage its standard oper

27、ating procedure11What do we know from the text?AThe rescue work was admirableBThe accident was successfully handledCThe workers faced a life dangerDThe earthquake was the main reason12The third paragraph is mainly about Athe way they worked Bthe dangerous environmentCOscars famous words Dthe descrip

28、tion of a film13According to the author, the 50 workers Awere ordered by the government Bwere requested by the worldCleft behind against their own will Dwere performing their duties14The underlined word you in Paragraph 5 refers to _ _Athe 50 workers Bthe readers Cthe news reporters Dthe author15What would be the best title for the text?AJapans nuclear accident BGuardians at the gateCSaving nuclear power station DUsing nuclear power safelyA： CDBDC B： BDABD C：CBDAB 高考资源网独家精品资源，欢迎下载！高考资源网Ks5uK&S%5#UKs5uKs%U高考资源网高考资源网高考资源网