2021高考英语大一轮复习 考点规范练8 Unit 3 Computers 新人教版必修2.docx

1、考点规范练8 Unit 3 Computers.阅读理解A(2019全国)As data and identity theft becomes more and more common,the market is growing for biometric(生物测量) technologieslike fingerprint scansto keep others out of private e-spaces.At present,these technologies are still expensive,though.Researchers from Georgia Tech say t

2、hat they have come up with a low-cost device(装置) that gets around this problem:a smart keyboard.This smart keyboard precisely measures the cadence(节奏) with which one types and the pressure fingers apply to each key.The keyboard could offer a strong layer of security by analyzing things like the forc

3、e of a users typing and the time between key presses.These patterns are unique to each person.Thus,the keyboard can determine peoples identities,and by extension,whether they should be given access to the computer its connected toregardless of whether someone gets the password right.It also doesnt r

4、equire a new type of technology that people arent already familiar with.Everybody uses a keyboard and everybody types differently.In a study describing the technology,the researchers had 100 volunteers type the word “touch”four times using the smart keyboard.Data collected from the device could be u

5、sed to recognize different participants based on how they typed,with very low error rates.The researchers say that the keyboard should be pretty straightforward to commercialize and is mostly made of inexpensive,plastic-like parts.The team hopes to make it to market in the near future.1.Why do the r

6、esearchers develop the smart keyboard?A.To reduce pressure on keys.B.To improve accuracy in typing.C.To replace the password system.D.To cut the cost of e-space protection.2.What makes the invention of the smart keyboard possible?A.Computers are much easier to operate.B.Fingerprint scanning techniqu

7、es develop fast.C.Typing patterns vary from person to person.D.Data security measures are guaranteed.3.What do the researchers expect of the smart keyboard?A.Itll be environment-friendly.B.Itll reach consumers soon.C.Itll be made of plastics.D.Itll help speed up typing.4.Where is this text most like

8、ly from?A.A diary.B.A guidebook.C.A novel.D.A magazine.B(2019浙江杭州模考)Microsoft has developed a new smartphone app that interprets eye signals and translates them into letters,allowing people with ALS(渐冻症) to communicate with others from a phone.The GazeSpeak app combines a smartphones camera with art

9、ificial intelligence to recognise eye movements in real time and convert them into letters,words and sentences.For people suffering from ALS also known as motor neurone(神经元) disease,eye movements can be the only way to communicate.“Current eye-tracking input systems for people with ALS or other moto

10、r disabilities are expensive,not constant under sunlight,and require frequent readjustment and considerable,relatively fixed systems,” said Xiaoyi Zhang,a researcher at Microsoft who developed the technology.“To reduce the drawbacks,we created GazeSpeak,an eye-gesture communication system running on

11、 a smartphone,and is designed to be low-cost,constant,portable and easy to learn.”The app is used by the listener by pointing their smartphone at the speaker.A chart stuck to the back of the smartphone is then used by the speaker to determine which eye movements to make for communication.The label s

12、hows four grids(方格) of letters,with each corresponding to a different eye movement.By looking up,down,left or right,the speaker selects which grids they want the letters belong to.The artificial intelligence algorithm(计算程序) is then able to predict the word or sentence they are trying to say.5.How do

13、es the new smartphone app help people with ALS?A.By looking into the eyes of the sufferers.B.By connecting its camera with sufferers appearance.C.By communicating with people directly with a camera.D.By changing eye movements into detailed written information.6.Why do the researchers develop GazeSpe

14、ak?A.GazeSpeak will have fewer disadvantages.B.Current systems cant function effectively.C.GazeSpeak can be properly used in the medical field.D.Current systems can increase the risk of motor disabilities.7.Whats the writers attitude towards the invention of GazeSpeak?A.doubtfulB.negativeC.favorable

15、D.unclear.七选五阅读HowtosurviveandthriveHere are some tips to help you learn not only to survive,but to thrive(有成)and grow in a chaotic world.1.Try to build on strengths rather than focus on limitations.1 Maybe youll become an auto mechanic(技工),or maybe youll make good use of your ability to classify de

16、tailed information to build a career as a biologist or druggist.2.Realize that few mistakes are disastrous.Did you fail a course?2 Most of us cant avoid an occasional failure,but we can learn bounce-back attitudes through failures.3.3Cecilia,a shy twelve-year-old,became livelier when she won the lea

17、d in a school play.“We want you to improve your grades,but not spend time on plays!” said her worried mother.To everyones surprise,Cecilias grades improved.4Most importantly,no matter what happens,Cecilia can return to that feeling of success whenever she gets discouraged.4.Getting into a top univer

18、sityor any universitywill not guarantee success.Ive met people from top universities who have experienced unemployment and even homelessness.5 Career-changers who face the future with an attitude of “I can handle anything” are the ones who win today.While in difficulties,they keep up their spirits t

19、ill they figure out what to do next.A.Have no idea about your future plan?B.Face rejection from a first-choice college?C.Life is hard at the moment,but were surviving.D.Try to experience success in any area of your life.E.Ive met high school dropouts who became very successful.F.Do you spend hours s

20、tudying models of cars for the last twenty years?G.And she made new friends with the “good kids” who were also achievers.短文改错Dear Tom,Im glad to hear that you are very interesting in Guoxue.Let me to give you a simple introduction to it.Generally speaking,Guoxue refers to the excellent traditional C

21、hinese culture,that includes philosophy,literature,history,music,painting and so on.Guoxue has been playing an increasing important part in China,especially for them students.Not only did it tell us how to study,but it also teaches us how to live.More and more Guoxue courses is given in schools of d

22、ifferent levels all over China.If you want to get better understanding of Guoxue,you are welcome to China to learn it,feel it and enjoy it.Im sure youll benefit from living in two different culture.Im looking forward to see you soon in China.Yours,Wang Kai考点规范练8(必修2Unit3).【解题导语】本文是一篇说明文。文章介绍了佐治亚理工学院

23、的研究者们新开发了一种键盘,它能根据用户打字模式准确识别出使用者。1.D细节理解题。根据第一段描述及第二段第一句“ResearchersfromGeorgiaTechsaythattheyhavecomeupwithalow-costdevicethatgetsaroundthisproblem:asmartkeyboard.”可知,研究者研发了智能键盘是为了降低电子空间保护的成本。故选D项。2.C细节理解题。根据第二段第四、五句“Thesepatternsareuniquetoeachperson.Thus,thekeyboardcandeterminepeoplesidentities.”

24、可知,正是由于每个用户都有自己独特的击打键盘的模式,才使得研发智能键盘用以识别用户身份成为可能。故选C项。3.B细节理解题。根据文章最后一句“Theteamhopestomakeittomarketinthenearfuture.”可知,研究者们希望这种智能键盘在不久的将来能够面世,供消费者使用。故选B项。4.D文章出处题。通读全文可知,作者客观介绍了佐治亚理工学院的研究者们新开发了一种键盘,它能根据用户打字模式准确识别出使用者。键盘使用常见的廉价材料,因此在成本和耐用性上都有很强的竞争力,有望不久可以投入市场。故选D项。【解题导语】本文介绍了微软开发的一款新的智能手机应用程序,用于解释眼睛信

25、号并把它们转换成字母、单词和句子,这一应用使渐冻症患者和他人沟通成为可能。5.D细节理解题。根据文章第二段“TheGazeSpeakappcombinesasmartphonescamerawithartificialintelligencetorecogniseeyemovementsinrealtimeandconvertthemintoletters,wordsandsentences.”可知,微软研发的这款手机应用程序可以实时识别人们眼球运动,把它们转化为详细的书面信息,故选D项。6.A细节理解题。根据文章第四段“Toreducethedrawbacks,wecreatedGazeSp

26、eak,aneye-gesturecommunicationsystemrunningonasmartphone,andisdesignedtobelow-cost,constant,portableandeasytolearn.”可知,为了减少上文提到的现有渐冻症或其他残疾人使用的眼球跟踪系统的不足,研发人员开发了这款GazeSpeak应用程序,并不是说目前的系统不能有效地工作,所以选A项。7.D态度观点题。在本文中作者客观地介绍了微软公司开发出了一个手机应用程序可以把眼部信号转换成字母,让患有运动神经元疾病的人与别人交流。并没有发表个人观点,所以他的态度并不明确。故D项正确。.【解题导语】

27、本文是说明文。文章介绍了几点关于如何成功的建议。1.FF项是对上文的strengths的举例说明,且与下文的Maybeyoullbecomeanautomechanic相呼应。2.BB项与上文的“Didyoufailacourse?”并列,并与上文的fewmistakesaredisastrous相呼应。3.D由下文塞西莉亚的例子可推断,在某些方面的成功能使一个人具备成功人士的素质和心态,进而在其他方面也获得成功。4.GG项中的whowerealsoachievers与上文的Ceciliasgradesimproved相呼应。5.EE项与上文的“Ivemetpeoplefromtopunive

28、rsitieswhohaveexperiencedunemploymentandevenhomelessness.”都是对本段主题句“Gettingintoatopuniversityoranyuniversitywillnotguaranteesuccess.”的具体解释说明。.Dear Tom,Im glad to hear that you are very interestinginterested in Guoxue.Let me to give you a simple introduction to it.Generally speaking,Guoxue refers to t

29、he excellent traditional Chinese culture,thatwhich includes philosophy,literature,history,music,painting and so on.Guoxue has been playing an increasingincreasingly important part in China,especially for themus students.Not only diddoes it tell us how to study,but it also teaches us how to live.More

30、 and more Guoxue courses isare given in schools of different levels all over China.If you want to get a better understanding of Guoxue,you are welcome to China to learn it,feel it and enjoy it.Im sure youll benefit from living in two different culturecultures.Im looking forward to seeseeing you soon in China.Yours,Wang Kai