新高考英语一轮总复习提能练（八）必修2UNIT3COMPUTERS

高考提能练（八）必修2Unit3ComputersI.阅读理解（2021•山东省部分重点中学考试）LovethewayyouwalkTOC\o"1-5"\h\zListencarefullytothefootsteps,andyoucanworkoutwhoiswalking.Thefeaturescommonlyusedtoidentifypeoplearefacesandfingerprints.Butthewaytheywalkisalsoagiveaway.Researchershaveusedvideocamerasandcomputerstoanalyzepeople^gaitsC步^＞）.Buttranslatingsuchknowledgeintoapracticalidentificationsystemcanbetricky.Camerasareoftenvisible,ullyhavebeenlookingforabetterwaytorecognizegaits.Theiranswer：pressure-sensitivemats.Suchmatsarenothingnew.Theyhavebeenpartofsecuritysystems.ButOzanyanandScullyuseacomplicatedversionthatcanrecordtheamountofpressureappliedindifferentplacesassomeonewalksacrossit.Theresearchersturntoanartificialintelligencesystemtorecognizesuchpatterns.Inastudyin2018,theytestedthesystemonadatabaseoffootstepsofl27people.Theyfounditserrorrateinidentifyingwhowaswhowasamere0.7%.AndScullysaysevenwithoutadatabaseoffootsteps,thesystemcandeterminesomeone'ssexandasubjectsage.Oneapplicationofthemat-basedgait-recognitionsystemmightbeinhealthcare,particularlyfortheelderly.Amatplacedinanursinghomeoranoldperson^ownresidencecouldmonitorchangesinanindividuarsgaitthatindicatecertainillnesses.Thatwouldprovideearlywarningofsomeonebeingatgreaterriskoffallingover.Gaitanalysismightalsobeusedasasecuritymeasureintheworkplace,monitoringaccesstorestrictedareas,suchaspartsofmilitarybases,serverfarmsorlaboratoriesdealingwithdangerousmaterials.Perhapsthemostinterestinguseofthemats,though,wouldbeinpublicplaces,suchasairports.语篇解读脸和指纹常被用来识别人，其实人们走路的方式也可以用来识别人。本文介绍了通过人的步态识别人的“压力感应垫”的工作原理以及使用前景等。WhatismainlytalkedaboutinParagraph2?.Researchequipment.B.Researchbackground.C.Researchassumptions.D.Researchfindings.B［考查段落大意。通读第二段可知，该段说明研究人员使用过摄像机和电脑来分析人们的步态，但由于受光线和视线等因素的影响，摄像机使用很不方便。因此Dr.Ozanyan和Dr.Scully带领的团队一直在寻找一种更好的步态识别方法，并给出答案：压力感应垫。据此可知，第二段介绍了“压力感应垫”的研究背景，故B项正确。］.Whatisthematusedfor?A.Collectingdata.B.Ensuringsafety.C.Determiningage.D.Analyzingpressure.A［考查细节理解。根据第三段第三句"ButOzanyanandScullyuseacomplicatedversionthatcanrecordtheamountofpressureappliedindifferentplacesassomeonewalksacrossit”可知，当人们走过时，这种垫子可以记录在不同地方施加的压力数据；据此可知，垫子是用来搜集压力数据的，故A项正确。］.Whatmightthegait-recognitionsystembeappliedto?A・Monitoringsecurityworkprogress.B.Detectingpotentialhealthproblems.C・Keepingtrackoftravellingfrequency.D・Wamingpassengersofpossibledangers.B［考查细节理解。根据尾段，尤其是该段第二、三句可知，这种垫子用在养老院或老人家里可以监测老人步态变化，从而为人们提供某些疾病的早期预警，故B项正确。］.Whatisthemainpurposeofthepassage?A・Tocomparedifferentwaystoidentifypeople.Toshowpeopletheimportanceoftechnology.C・Topersuadepeopletobuythemat.D.Toinformpeopleofsomethingaboutpressure-sensitivemats.D［考查写作目的。通读全文可知，本文介绍了一种通过人的步态来识别人的“压力感应垫”；文章重点介绍了“压力感应垫”的工作原理以及使用前景等。据此可知，D项正确。］II.七选五（2020•南昌市高三一模）WhyWalkinginNatureMakesYouaBetterWorker?WeYebusyatwork,distracted（注意力分散的）bytechnologyandoftenliveinurbanenvironmentsfarfromwildspaces.—］.TheaverageAmerican,forexample，spendsabout90%oftheirlifeindoors.Butwhathappensifwemaketimeforanhouroutsideeachday?2・You'llhavetogooutforawalk,whichisbeneficialifmostofyourdayinvolvessittinginfrontofascreen.Researchshowsshortbreakscanimproveworkenthusiasm,andaquickbreakinnaturallightwilldeliverashotofvitaminD.Therearealsoalotofmentalbenefitswhenyouareinnatureyouarehappyandyourbraincanmakesenseoflife/'Whenpeoplearealloutinnature,eveninurbannature,peopletendtohavemorepositiveemotionandenergythanwhentheyareindoors.—3,saidLisaNisbet,associateprofessoratCanada^TrentUniversity.Theideathatnatureisgoodforushasbeengaininggroundssincethe1980s.4.Afterwards,shinrin-yoku,theJapaneseconcept，whichisthepracticeoftakingashort，leisurelyvisittoaforestforhealthbenefits,followedthat.Researchersofshinrin-yokuhavesincefoundplentyofphysicalandmentalbenefits,whileglobalstudiessuggestspendingtimeinnaturecan,forexample，restoreourabilitytofocus，increaseourcreativity,andevenhelpuslivelonger.Ofcourse,manyofusliveincitieswithnoreadyaccesstoforestsorthewilderness.5・Variousstudieshaveshownthatgreenenvironmentsincitieshavebeneficialeffects.A・Wealsodon'tgetoutmuchB-Butitdoesn'thavetobeaforestPeoplecangettoaforestforahikeD・Inotherwords,peoplearehappierinnatureTherearesomeobviousbenefitswhenbeingoutsideGreenandbluespacesarebetterthanbusycitystreetsFirstcamethetheorythathumanshaveabasicdesiretobeconnectedwithnature语篇解读本文是一篇说明文。到户外走走，而不是一直待在室内，对人们的身体和精神健康大有裨益。A［根据空后一句TheaverageAmerican,forexample,spendsabout90%oftheirlifeindoorsn可知，普通的美国人90%的时间都是在室内度过的，由此可推知，A项符合语境。］E［本空是段首句，与下一段的首句“Therearealsoalotofmentalbenefits...canmakesenseoflife”呼应，并结合对本段内容的整体理解可知，本段主要讲述了出去走走的一些明显的益处，所以E项与语境相符。］D［本段表述大自然对人的精神健康有益。根据语境并结合空前的“peopletendtohavemorepositiveemotionandenergythanwhentheyareindoors”可推知，D项“换句话说，人们在大自然中更开心”与此处匹配。］G［根据空后一句uAfterwards,shinrin-yoku,theJapaneseconcept...followedthat,,可推知，该空陈述的应是与大自然对人类有益的理论或概念相关的内容，选项G的内容与空处相符，所以选G项。］B［空处承上启下。B选项中的“itdoesn'thavetobeaforest”与空前一句中的“withnoreadyaccesstoforestsorthewilderness”相衔接，且与空后一句中的“greenenvironmentsincitieshavebeneficialeffects”相呼应，所以选B项。］川.完形填空（2021・日照市高三第一次校际联合考试）WehavelivedinthishouseinArizonaforafewyearsnow.Inourj^thereisaswimmingpoolandtwotreesthataretallerthanthehouse.Thefirstspringwewereherewe2whatwastobecomeacommonphenomenon.Thereisaperiodofseveralweekswhenbabybirdsfallfromthetreesand3inourbackyardeveryyear.Mostofthetimetheyarestrongand4andjustneedafewdaystolearntofly.Atfirstwehadtofrightenourcatsanddogawayasthey5thebirds.Perhaps,ourpetsthoughttheselittle6weretoysforthemtoplaywith.Wequickly2thatourbackyardwasnoplaceforbiggeranimalsduringthis8timeforthelittlebirdstolearntofly.Everyspring,whenourdogandcatswanttotakea9inthebackyard,weletthedogoutonlvinthefrontvaidandthecats10indoors.Duringthistimemyhusbandandl11thebirdsinthebackyard.Sometimesthebirdshavetobesavedfromtheswimmingpoolbecausethewatermightj_2them.Sometimestheyhavetobe-J3-inthebranchesofthetreesastheycan^flyup.Everybabybirdneedsasafeplaceto14andgrowup,justlikeuswhenwearenotstrong.Thus,itwouldmakeagreat15ifwecouldbekindenoughtowhoevermightbeinneedofhelporinanunfortunatesituation.语篇解读作者的后院里每年春天会有一些小鸟从树上跌落下来。作者一家便把家中狗和猫给赶走，同时也会密切注意这些小鸟以防它们跌入院里的游泳池时能及时被救出，同时也会把它们放置在树枝上，让它们学习飞行。由此作者感悟到：在他人需要帮助或者处于不幸的状态时，足够善待对方将会影响很大。A.gardenB.garageC.backyardD.houseC［考查语境推断和词汇复现。根据空后的“thereisaswimmingpoolandtwotrees”和上句中的“thishouse”可推知，空处指的是房子的后院，与下文中的“inourbackyard”呼应。］A.heardB.expectedC.understoodD.noticedD［考查语境推断。根据文中的"Thefirstspring”和“acommonphenomenon”和下文中的“Everyspring”可推知，此处表示作者一家一开始便注意到了一个后来常见的现象。notice“注意”。］A.getaboutB.wakeupC.settledownD.makeupA［考查语境推断。根据语境和最后一段首句可推知，小鸟掉落到院子里后到处走。getabout“四处行走”。］A.powerfulB.healthyC.friendlyD.beautifulB［考查语境推断。根据空前的“strong”可推知，大部分时间小鸟都是健康强壮的。］A.scaredB.approachedC.killedD.observedB［考查语境推断。起初当猫和狗靠近小鸟时，作者一家不得不把它们吓走。approach"靠近"。］A.creaturesB.friendsC.wondersD.neighborsA［考查逻辑推断。小鸟是一种生物。creature“生物"。］A.deniedB.provedC.declaredD.realizedD［考查语境推断。根据语境可推知，作者一家很快意识到了一个问题。］AfortableB.preciousC.boringD.darkB［考查语境推断。小鸟学习飞行的阶段是小鸟一生中很珍贵的阶段。precious“珍贵的”。］A.breakB.chanceC.showerD.seatA［考查语境推断。根据下文中的"weletthedogoutonlyinthefrontyardandthecatsindoors”和选项可推知，家里的狗和猫要休息了。takeabreak意为“休息”。］A.sleepB.jumpC.stayD.chaseC［考查语境推断。根据句中的“weletthedogoutonlyinthefrontyard”可推知，这时候会让小猫待在屋里。］A.watchoutforB.mixupwithC.searchforD.playwithA［考查逻辑推断。根据下文中的“Sometimesthebirdshavetobesavedfromtheswimmingpool”可推知，作者和丈夫在这一时期密切注意这些小鸟。］A.floodB.drownC.poisonD.reachB［考查逻辑推断。根据句中的“Sometimesthebirdshavetobesavedfromtheswimmingpool”可推知，水可能把那些小鸟给淹死。drown"（使）淹死，溺死”。］A.soughtB.supportedC.hungD.placedD［考查逻辑推断。根据下文中的“Everybabybirdneedsasafeplace”可推知，小鸟们在不会飞的时候，有时候会被放置在树枝上。］A.standB.struggleC.walkD.landD［考查语境推断。每一个小鸟都需要一个安全的地方安顿下来去成长。land“着陆，降落”符合语境。］A.choiceB.promiseC［考查语境推断。根据语境可知，如果我们可以在任何人需要帮助或者不幸时足够善待对方，这将会影响很大。makeadifference"有影响"。］IV.读后续写阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。（2021・日照市第一次联考）Asthemotherofaneleven-year-oldgirl,Ihavereadseveralbooksthattellparentshowtobringupagirltobebeautiful，elegant,confident，andrich.However，Ihavealwaysbelievedthatgirlsneedtobebraveaboveallelse,butthisiseasiersaidthandone.Istillrememberlcouldn^seethescreendirectlywhenmydaughterswitchedtotheanimalchannel,whichwasbroadcastingashowaboutsnakes.IstoodasfarawayfromtheTVaspossible，tooscaredtoopenmyeyes.However,mylittleangelwasnotscaredofthesnakes.Infact,shewatchedtheshowwithakeeninterest.Iwasrelievedthatmydaughterdidn'tgettoomanygeneticphobias（遗传恐惧症）.Eventot如sday,sheisstillobsessedwithchallengingherselfwithnewthings.Thisyear,IgotachancetostudyinSingaporeforsixmonths.Afterthenovelty（新奇）ofthefirstfewdayshadgone,Ifoundmyselfmissingmyfamily.Withthesummervacationapproaching,myhusbandagreedtomakegooduseofthefactthatlwasstayinginSingapore.Hebroughtourdaughterouttovisitmeandtoenjoythenewexperienceinanewcountry.TOC\o"1-5"\h\z,larrangedtoseeGardensbytheBay.WhenwewalkedoutoftheMRTstation，wewereamazedbythesightoftheSupertrees.WhenmydaughtersawlotsofpeoplewalkingontheSkywayshecouldn'thelpshoutingexcitedlythatshewantedtohaveatry.TheSkywayisa22-meter-highsuspensionbridgefromwhichyoucanenjoyabird^eyeview.Lasttimelcameherewithmyfriends，Ifirmlyrejectedtheirrepeatedattemptstochallengemetogoupthere.Itwaslikethedaywiththesnakesalloveragain.Butcouldlreallyrejectmylittl