Unit-2-单元话题七选五专项练习

Unit2单元话题七选五专项练习(名校最新真题)（2021·安徽·高二课时练习）MarineLayerisanAmericanclothingcompanythathasrecentlyearnedanimpressivequalification.ItisthefirstintheworldtotakeoldT-shirtsandtransformthemintobrandnewones,using100%recycledmaterials.____1____ThecollectionwaslaunchedonApril28tomuchfanfareintheeco-fashionworld.Re-spunshirtsaremadefromoldT-shirtsthatsupportershavemailedtothecompanyordroppedoffinstore.____2____Thentheyarecleanedusingwaterlesstechnology,brokendown,andwovenintoacoloredcottonfiber.Itismixedwith50%recycledfibertocreatethefinalyarn(纱).___3___Interestingly,Recoverhasbeenrecyclingfabricssincethe1940s,whenpeoplewerelookingforasolutiontoclothingshortagesduringWorldWarII.TheyarnissenttoLosAngelesformillingandsewing,fromwherethefinishedshirtsaredistributedtoMarineLayer’s41storesandonlineshops.___4___Eachshirtvariesslightlyincolor.Nowater,chemicals,ordyesareusedinproduction.Bestofall,MarineLayerhasnointentionofstoppingwithitsfirstRe-Spuncollection.Customersareurgedtokeepsendingintheiroldshirtsusingaprepaidmailer,andwillget$5creditforeachone,uptoatotalof$25.It’sexcitingtoseethegreatwaysinwhichfashioncompaniesaretryingtoreducetheirenvironmentalimpact.Thisfabricrecyclingtechnologypromisestorevolutionizetheindustryandmakegooduseofthe80poundsofclothingthattheaverageAmericanthrowsawayeachyear.___5___A．Thetechnologydeservesalot.B．TheresultisitsRe-spuncollection.C．Manypeopleareinterestedintheproject.D．Theseoldshirtsaresortedintofourcolorgroups.E．Nowusingoldclothestomakenewistrulyfashionable.F．ThefabricbreakdowntakesplaceatafactorycalledRecover.G．Thefirstcollectionconsistsoffourshirtsformenandfourforwomen.（2021·全国·高二课时练习）Aspecialcopyrightcasehasrecentlydrawnattentionbecauseitisrelatedtoartificialintelligence(AI).AcourtinShenzhenruledthatanewsreportwrittenbyTencent’sAIenjoyscopyrightprotection.___6___ThisisthefirstcaseinChinathathasprovidedcopyrightprotectiontoworkdonebyAI.Butwhatdoesitindicate?___7___Probablynot.AIisnotyetabletowritecreativestories.Thenewsreportmentionedaboveismainlyaboutdata.___8___itisoftenusedtowritefinancialreports.SomenewspapersalsouseAItoreportonstoriesaboutnaturaldisasters,whichmainlyrequirebasicfactssuchas“where”and“when”.AsForbeswrote,insteadoflosingtheirjobs,journalistscanmaketheirworkmoreefficientbyusingAIsothattheycanfocusmoreonstorytellingandlessonnumbers.___9___Forexample,WayneMcGregor,aBritishchoreographer（编舞）,isfamousforusingAItocreatenewdances.Forhim,AIisapowerfultoolthatcanhelpchoreographersbreakoutofcommonmovements.McGregorisnotworriedthatAImightreplacehumanartists.“AIcan’tjudgethequalityofthechoreography,”hesaid.“It’stimetostopworryingaboutifAIcanbecreative,”accordingtoForbes.___10___A．Asartificialintelligenceprogresses,B．AIisactuallybeinghelpfulinmanycreativefields.C．Instead,weshouldfocusonhowhumansandAIcanworktogetherinwaysthatwehaveneverdreamedofbefore.D．Awebsitebrokethelawbecauseitusedthearticlewithoutpermission.E．SinceAIisgoodatprocessingdata,F．It’stimetothinkabouthowtopreventAIfromreplacinghumans.G．WillAItaketheplaceofcreativeworkersinthefuture?（2022·河南许昌·高二期末）Humanshavelittledifficultyrecognizingoneanother.Wemaynotrememberaname,butwecanusuallyrememberifwe’veseenaface.Andweknowthatnotwofacesareexactlyalike.____11____.Andnowwe’veinventedmachinesthatareabletorecognizefaces,whichtheyaredoingforinnumerablepurposesatlightningspeed.Governments,employersandpoliceservicesareusingfacialrecognitiontechnology.____12____.Systemsarebecomingsocompetent(能胜任的)thatawantedcriminalcanquicklybepickedoutinacrowdofthousandsofpeople.Ordinarypeople,too,areusingfacialrecognitiontounlocktheirphones,theircomputersandotherdevices.____13____.AccordingtoApple,forexample,thereisonlyonechanceinamillionthatafaceotherthanyourowncouldunlockyouriPhone.____14____.Itisinstantaneous(即时的),anditfreesusfromtheneedtomemorizepasswordsorPINs(PersonalIdentificationNumbers).However,adevicewillrequireapasscodeintherareeventitdoesn’t,forwhateverreason,recognizetheuser’sface.Therearealsonumerousconcernsabouttheuseoffacialrecognition.____15____.Theinstallation(安装)ofmoreandmorecamerasinpublicandprivateplacesisnowapartofeverydaylife.Thosecamerasarebeinglinkedwithimagedatabases(数据库).Thismeanspeoplecanberecognizedwherevertheygoanddowhatevertheydo.A．SuchsystemsarequitesafeB．Eventwins’faceshavesomedifferencesC．Primarily,theconcernisthatithasaninfluenceonprivacyD．Thisallowsthemtoquicklyrecognizesomeones’identityE．PersonalfacialrecognitionprotectionhasseveraladvantagesF．FacialrecognitionsystemsarebeingtrainedtouselessfacialdataG．Inmostexamplesthepictureswerenottakeninacontrolledenvironment（2022·江苏省天一中学高二期末）Metaverse(元宇宙)You’veprobablystartedtohearthiswordbeingthrownaroundlately.Ifyou’refeelinglost,you’reintherightplace.Here,we’lltrytoanswersomebigquestionsfromMicrosoft’spointofview.Whatisametaverse?Doesitalreadyexist?____16____Let’sdigin.Simplyput,ametaverseisadigitalspaceinhabitedbydigitalrepresentationsofpeople,placesandthings.Thinkofitlikeanewversion,ormaybeanewvision,oftheInternet.____17____Nowwecanactuallygointothatplacetocommunicate,share,andworkwithothers.It’sanInternetthatyoucanactuallyinteractwith—likewedointhephysicalworld.Andit’snotjustavisionanymore.Rightnow,youcangotoaconcertandexperienceashowwithotherrealpeopleinsideavideogame.____18____Thosearemetaverses.Andthefutureisalreadyhere!____19____“Butmydigitalselfisnotmyphysicalself.”Wellthatistechnicallytrue.ButMicrosoftisworkingtohelpyoubetterrepresentyourwholeselfinthedigitalspace,whilealsoensuringthatyoucanbringyourhumanityandyouragencyoverwiththatrepresentation.Ifthepastfewyearshavetaughtusanything,it’sthatweneedflexibility.Theworldhasneverbeenmoreconnected,butlately,we’veoftenneededtodistanceourselvesphysically.Thecloserwecanreflectourphysicalselvesinthedigitalworld,themoreofthesebarrierswecanbreakdown.Teammatescanjoinmeetingsfromanywhere.Real-timetranslationallowspeoplefromdiverseculturestocollaborateinreal-time.____20____Themetaversehastheabilitytotakeusbeyondthebarriersandlimitationsofthephysicalworld.A．Andareyoualreadyinit?B．Haveyoubeenlostinametaverse?C．However,there’ssomedoubtaboutthem.D．ManypeopletalkabouttheInternetasaplace.E．Youcanwalkafactoryfloorfromyourownhome.F．Therearegoodreasonstotakethemetaverseseriously.G．Thisiswhattakesthisfromacoolideatoacriticalone.（2022·湖北·黄冈中学二模）KeepitsecureAllappscollectdataasyouusethem.Followingthesefourstepswillhelpensureyou’renotoversharing.Forstarters,downloadappsonlyfromtheAppleAppStoreorGooglePlayStore,notfromrandomwebsites.___21___Beforeyouacceptanapp’stermsandconditions,lookatwhatinformationit’splanningtocollectandthinktwiceifit’saskingfortoomanypermissions.___22___Also,mostappsdon’tneedtoknowyourlocation,butforthosethatdo,youcanchoosetoenablelocationservicesonlywhenusingtheparticularapp,anothersmartprivacysafeguard.Signupusingane-mailaddressyou’vesetupjustforthingslikeapppermissionsande-mailnewsletters.___23___Thisway,ifthereisasecuritybreach(缺口),yourexposureiscontainedtothingsconnectedtothataddress.___24___Thismeansalongone(atleasttencharacters)withamixtureofletters,numbers,andspecialcharacters–and,sorry,auniquepasswordforeachapp.Accordingtosecurityexperts,agoodtrickistocreateamemorable“passphrase”bycreatingaseriesofrandomwords,andthensubstitutenumbersorspecialcharacters(i.e.,@forat)forsomeoftheletters.___25___Goaheadandwritethemdown—juststoreyourcheatsheetinasecurelocation(notyourwalletorphonecase!).Orenlistapasswordmanagersuchas1PasswordorLastPass.A．And,ofcourse,useasecurepassword.B．Howwillyoueverrememberthemall?C．Justbesuretochooseyourteams’officialappsD．Theseappsmeetthemajorcompanies’qualitystandards.E．Doyouhaveanoldsmartphoneyou’renotusinganymore?F．Don’tuseyourmaine-mailaddressorsocialmediaaccount.G．Forexample,whywouldagamingappneedaccesstoyourtextmessages?（2022·山东省临沂第一中学高二期中）Yourcomputer,pad,orSmartphoneholdsawealthofinformation.Ifyouknowwhattolookfor,youhaveaccesstoanunlimitednumberoflearningresources.Whenusedcorrectly,theInternetisatoolthatcangreatlyenlargeyourknowledge.Takepartinanonlinelanguagecourse.___26___Otherwebsiteslikeuniversitiesoffercomprehensive(综合的)languagecoursesatalowprice.Findalanguagecoursethatbestfitsyourneedsandbeginstudyingtoincreaseyourunderstanding.___27___Online,youcanuseflashcardsandworksheetsatlittle-to-nocost.Youcanalsocommunicatewithotherlanguagelearnersthroughforums(论坛).Usestudyresourcestofurtherstrengthenyourknowledgeofthelanguage,especiallyifyou’restrugglinginyouronlinecourse.Listentoforeignmusicforpractice.Youmaynotbeabletotraveltoyourcountryofchoice,butyoucanlistentonativespeakers.___28___Lookupthewordsofaforeignsongbeforehandandlistentoitseveraltimes.Witheveryrepetition,you’llrecognizemorewords.Readbooksissuedinthepublic.Everyyear,newbookscanbegottoreadforfreeoncetheircopyrighthasbeenoutofdate.InmostEuropeancountriesandtheUnitedStates,booksareissuedintothepublicabout70yearsaftertheauthor’sdeath.___29___Listentoaudiobooks.Mostbooksissuedintothepubliccanbegotasafreeaudiobook.Ifyou’dpreferapopularnovel,youcouldbuyanaudiobookinstead.___30___Ifyouworkonline,youcanturnoneonandenjoythestorylinewhilemulti-tasking.A．TurntotheInternetforstudyresources.B．Afterthispoint,youcanreade-booksatnocost.C．Youcanreceivefreedistancelearningatlittle-to-nocost.D．Audiobooksareagreatwaytoabsorbanovelwhenyou’rebusy.E．Someonlineeducationalresourcesofferbasiclanguageclassesforfree.F．Manyrespecteduniversitiesofferfreeonlinelectureseriesonavarietyofsubjects.G．Fewactivitiesareasbeneficialforlearningaslisteningtoanativespeakerlanguage.（2022·河北·邢台市第二中学高二阶段练习）Whetheryou’reinthefinalresearchstagesofamajorpaper,oronaZoom(acallingapp)callforwork,adroppedWiFiconnectionatzerohourissomethingannoying.___31___Oneofthemostcommonreasonsithappensisthattoomanydevicesareconnected.___32___Now,withsmartphones,iPads,smartTVsandsomuchmore,itdoesn’ttakelongforWiFitohopaboardthestrugglebus.Actually,evenifaconnecteddeviceisn’tactivelysendingorreceivingdata,itwillstillconsumesomeoftheavailablebandwidth.Itmeansthatifyouhavemanydevicesconnected,youcanstarttoseeslowdownsordropsinyourWiFiconnection.___33___ThefirstandeasiestfixistodisconnectunuseddevicesfromyourWiFi.TheeasiestwaytodothisistosimplychangeyourWiFipassword,whichwillkickeveryoneoff.Then,youcanallowonlycertaindevicestorejoin.___34___Itisworkabletostopgamingordownloadingamovie.___35___First,runaspeedtesttocheckyourcurrentspeed.(Google“speedtest”toseealistofwebsiteswhereyoucandothis.)Youmayhavetoomanydevicesconnectedfortheinternetspeedyou’repayingfor.Ifthisisthecase,contactyourinternetprovideraboutupgradingtoahigherspeed.Butyoumaywanttotrysomeofourotherfixesfirstbeforespendingthemoney.A．Whatcanyoudoaboutit?B．Sometimesthat’sallthat’srequired.C．Finally,youmayneedtoupgradeyourconnectivity.D．Peopledealwiththismoderninconvenienceallthetime,E．CuttingbackonheavyWiFiusetemporarilycanalsohelp.F．Ingeneral,thisisaverygoodsolutiontoadroppedWiFiconnection.G．Backintheday,theaveragehouseholdhadacomputerortwotoconnect.参考答案：1．B

2．D

3．F

4．G

5．A【分析】本文是一篇说明文。介绍了服装公司MarineLayer通过收集旧T恤并改造成新T恤这一技术，将旧衣服变废为宝，同时保护了环境。1．根据前一句“ItisthefirstintheworldtotakeoldT-shirtsandtransformthemintobrandnewones,using100%recycledmaterials.”可知，前面讲到MarineLayer公司回收利用旧T恤并转变为新T恤。第二段“Re-spunshirts”再次提到“重纺T恤”这一概念。且下一句的“Thecollection”指代B选项中的“Re-spuncollection”。故选B项。2．“Re-spunshirtsaremadefromoldT-shirtsthatsupportershavemailedtothecompanyordroppedoffinstore.”介绍了“重纺T恤”是由旧T恤制成的；下文中“Thentheyarecleanedusingwaterlesstechnology,brokendown,andwovenintoacoloredcottonfiber.”为制作的第二步工序，空格处应该表示第一步工序。D选项“Theseoldshirtsaresortedintofourcolorgroups.（这些旧T恤被分成四种颜色）”表示第一步，并且“Theseoldshirts”指代前文中的旧T恤。故选D项。3．根据下一句中“Recover”可知，本空应该引出“Recover”这一专有名词概念。后文讲到了Recover工厂已经在循环使用纤维方面有了很久的历史。F选项“ThefabricbreakdowntakesplaceatafactorycalledRecover.（织物在一家名为Recover的工厂分解）”作为第一句，引出本段的Recover，符合题意。故选F项。4．本段第二句中“eachshirt”与选项G中“Thefirstcollectionconsistsoffourshirtsformenandfourforwomen.第一个系列包括四件男士衬衫和四件女士衬衫”中的“fourshirtsformenandfourforwomen”对应。且“Thefirstcollectionconsists”与下文中的“itsfirstRe-Spuncollection”对应。故选G项。5．本段介绍了MarineLayer公司处理服装的新方式在对于环境保护上的贡献。A选项中“Thetechnologydeservesalot.这项技术值得拥有”为作者的对于其的赞美，符合此处语境。故选A项。6．D

7．G

8．E

9．B

10．C【分析】本文是说明文。通过描述一个与人工智能(AI)有关)特殊的版权案件，文章讲述了人工智能具有创造力，是否未来会代替创造性人才的问题，最后说明人们不必担心人工智能，而是应该考虑与人工智能的合作。6．上文“Aspecialcopyrightcasehasrecentlydrawnattentionbecauseitisrelatedtoartificialintelligence(AI).AcourtinShenzhenruledthatanewsreportwrittenbyTencent’sAIenjoyscopyrightprotection.(一个特殊的版权案件最近引起了人们的关注，因为它与人工智能(AI)有关，深圳一家法院裁定，腾讯人工智能撰写的新闻报道享有版权保护)”说明了一件与版权有关的案件，D项“一个网站违反了法律，因为它未经许可使用了这篇文章。”具体解释了上文提到的案件。故选D。7．上文“Butwhatdoesitindicate?”说明一个问题，空格处应是与上文问题一致，下文“Probablynot.AIisnotyetabletowritecreativestories.(可能不是。人工智能还不能写创造性的故事)”是对问题的回答，因此空格处也是问句，G项中“AI”与下文中的AI一致，“creativeworkers”与下文的“writecreativestories”一致，故选G。8．空格处是一个分句，故从A项和E项中选择。上文“Thenewsreportmentionedaboveismainlyaboutdata.(上面提到的新闻报道主要是关于数据的)”提到了“data”与E项中的“data”一致，后半句“itisoftenusedtowritefinancialreports.(它经常被用来写经济报告)”，根据上文内容可知，it指代上文提到的AI，E项中提到“AI”，因此推断E项“因为人工智能擅长处理数据”符合语境，故选E。9．下文“Forexample,WayneMcGregor,aBritishchoreographer（编舞）,isfamousforusingAItocreatenewdances.(例如，英国舞蹈编导韦恩·麦格雷戈(WayneMcGregor)以使用人工智能创造新舞蹈而闻名)”是一个使用人工智能创造的例子，因此推断空格处说明人工智能可以用于其它创造性领域。故选B。10．上文“It’stimetostopworryingaboutifAIcanbecreative(现在是时候停止担心人工智能是否有创造力了)”说明我们不必担心人工智能有创造力，C项中的“instead”表示转折关系，下文“weshouldfocusonhowhumansandAIcanworktogetherinwaysthatwehaveneverdreamedofbefore.(我们应该专注于人类和人工智能如何能够以我们以前从未梦想过的方式共同工作。)”与前文是转折关系，说明我们不用担心人工智能的创造力，而是应该专注于人类与人工智能的合作。故选C。11．B

12．D

13．A

14．E

15．C【导语】本文是一篇说明文，主要介绍的是面部识别技术的好处和人们的担忧。11．空前说“Andweknowthatnotwofacesareexactlyalike.(我们知道没有两张脸是完全相同的。)”，B选项“Eventwins’faceshavesomedifferences(即使是双胞胎的脸也有一些不同)”进一步说明没有两张脸是完全相同的，和上文内容相呼应，因此承接上文，符合语境，故选B。12．空前说“Governments,employersandpoliceservicesareusingfacialrecognitiontechnology.(政府、雇主和警察部门都在使用面部识别技术。)”，空格处应说明这种技术的好处，D选项“Thisallowsthemtoquicklyrecognizesomeones’identity(这使他们能够快速识别某人的身份)”中的“This”指代上文的“facialrecognitiontechnology”，说明了使用面部识别技术的好处，因此承接上文，符合语境，故选D。13．空前说“Ordinarypeople,too,areusingfacialrecognitiontounlocktheirphones,theircomputersandotherdevices.(普通人也在使用面部识别来解锁他们的手机、电脑和其他设备。)”，空后说“AccordingtoApple,forexample,thereisonlyonechanceinamillionthatafaceotherthanyourowncouldunlockyouriPhone.(例如，根据苹果公司的说法，只有百万分之一的机会，除了你自己的脸以外，还有一张脸可以解锁你的iPhone。)”，说明使用面部识别来解锁人们的手机、电脑和其他设备是很安全的，A选项“Suchsystemsarequitesafe(这样的系统是相当安全的)”中的“Suchsystems”指代的是前文的“facialrecognition”，说明了人们使用这种技术来解锁手机的是安全的，和后文的“只有百万分之一的机会，除了你自己的脸以外，还有一张脸可以解锁你的iPhone”相呼应，因此A选项符合语境，故选A。14．空后说“Itisinstantaneous(即时的),anditfreesusfromtheneedtomemorizepasswordsorPINs(PersonalIdentificationNumbers)(它是即时的，它使我们不需要记住密码或个人识别码。)”，因此本段主要讲的是面部识别技术的好处，E选项“Personalfacialrecognitionprotectionhasseveraladvantages(个人面部识别保护有几个优点)”引出了下文的优点，因此符合语境，故选E。15．空前说“Therearealsonumerousconcernsabouttheuseoffacialrecognition.(人们对面部识别的使用也有很多担忧。)”，C选项“Primarily,theconcernisthatithasaninfluenceonprivacy(首先，人们担心的是它会影响隐私)”中的“concern”和前面的“concerns”相一致，说明了人们对面部识别技术最主要的担忧，因此承接上文，符合语境，故选C。16．A

17．D

18．E

19．C

20．G【导语】本文是一篇说明文。介绍的是什么是元宇宙，以及在疫情之下，元宇宙尤其重要的原因。16．根据前文的“Here,we’lltrytoanswersomebigquestionsfromMicrosoft’spointofview.Whatisametaverse?Doesitalreadyexist?”（在这里，我们将试着从微软的角度来回答一些大问题。什么是元宇宙？它已经存在了吗？）以及空后的“Let’sdigin.”（让我们深入研究吧。）可知，空处应该与前文并列的是疑问句的结构，同时探讨的是“元宇宙是否已经存在？”，才能引起下文“让我们深入研究。”A选项“Andareyoualreadyinit?”（你已经在里面了吗？）中的it指代的就是前文的元宇宙，符合语境。故选A。17．根据空前的“Thinkofitlikeanewversion,ormaybeanewvision,oftheInternet.”（把它想象成互联网的一个新版本，或者一个新愿景。），以及空后的“Nowwecanactuallygointothatplacetocommunicate,share,andworkwithothers.”（现在我们可以进入那个地方去交流，分享，和其他人一起工作。）可知，设空处应该是将互联网比作一个地方。D选项“ManypeopletalkabouttheInternetasaplace.”（许多人把互联网看作一个地方。）符合语境，选项中theInternet与上一句呼应，aplace与下一句呼应。故选D。18．根据下文的“Thosearemetaverses.”（这些是元宇宙），以及前文的“Rightnow,youcangotoaconcertandexperienceashowwithotherrealpeopleinsideavideogame.”（现在，你可以在电子游戏中与其他真人一起去听音乐会，体验一场表演。）可知，此处列举的是现实中元宇宙的例子。E选项“Youcanwalkafactoryfloorfromyourownhome.”（你可以从家里走到工厂的地板上。）就是现实中元宇宙的例子。故选E。19．根据下文的“Butmydigitalselfisnotmyphysicalself.”（但我的数字自我不是我的真实的自我。）可知，人们对于元宇宙有疑问。C选项“However,there’ssomedoubtaboutthem.”（然而，对它们也有一些疑问。）符合题意。故选C。20．根据前文的“Theworldhasneverbeenmoreconnected,butlately,we’veoftenneededtodistanceourselvesphysically.Thecloserwecanreflectourphysicalselvesinthedigitalworld,themoreofthesebarrierswecanbreakdown.”（世界之间的联系从未如此紧密，但最近，我们经常需要保持身体上的距离。我们越能在数字世界中反映真实的自我，就越能打破这些障碍。）可知，在疫情期间需要保持距离的情况下，使得元宇宙提供的交流方式变得更重要。G选项“Thisiswhattakesthisfromacoolideatoacriticalone.”（这就是它从一个很酷的想法变成一个关键的想法的原因。）中的this指代的就是前文的“lately,we’veoftenneededtodistanceourselvesphysically”（最近，我们经常需要保持身体上的距离）这种情况，G选项解释了元宇宙概念在当前疫情下重要的原因。故选G。21．D

22．G

23．F

24．A

25．B【导语】这是一篇说明文，文章讲述防止应用程序过度分享手机数据的方法。21．根据空前“Forstarters,downloadappsonlyfromtheAppleAppStoreorGooglePlayStore,notfromrandomwebsites.(对于初学者来说，只能从苹果AppStore或谷歌PlayStore下载应用程序，而不能从任意网站下载)”可知，要从正规渠道下载应用程序，D项“这些应用程序符合大公司的质量标准”说明原因，故选D项。22．根据空前“Beforeyouacceptanapp’stermsandconditions,lookatwhatinformationit’splanningtocollectandthinktwiceifit’saskingfortoomanypermissions.(在你接受一个应用程序的条款和条件之前，先看看它打算收集哪些信息，并再三考虑它是否要求了太多的许可)”可知，本段是关于应用程序的条款和条约，G项“例如，为什么游戏应用程序需要访问你的短信？”对上文“考虑它是否要求了太多的许可”举例说明。故选G项。23．根据前一句“Signupusingane-mailaddressyou’vesetupjustforthingslikeapppermissionsande-mailnewsletters.(使用你为应用程序权限和电子邮件时事通讯等设置的电子邮件地址注册)”及空后“Thisway,ifthereisasecuritybreach(缺口),yourexposureiscontainedtothingsconnectedtothataddress.(这样的话，如果存在安全漏洞，您的暴露将包含与该地址相关的内容)”可知，要使用专门为应用程序设置的邮箱抵制，不要使用常用的邮箱地址等，这样如果应用程序存在安全漏洞，不会曝光常用邮箱的相关内容，F项“不要使用你的主要电子邮件地址或社交媒体账户”符合语境。故选F项。24．根据下文“Thismeansalongone(atleasttencharacters)withamixtureofletters,numbers,andspecialcharacters—and,sorry,auniquepasswordforeachapp.(这意味着一个包含字母、数字和特殊字符的长密码（至少10个字符）——对不起，每个应用程序都要有一个唯一的密码)”可知，本段是讲密码的设置，A项“当然，要使用一个安全的密码”符合语境，故选A项。25．下文“Goaheadandwritethemdown—juststoreyourcheatsheetinasecurelocation(notyourwalletorphonecase!).Orenlistapasswordmanagersuchas1PasswordorLastPass.(把它们写下来——只要把你的备忘单放在一个安全的地方（不要放在钱包或手机壳里！）或者申请一个密码管理器，例如1Password或LastPass)”是描述如何记住密码，B项“你怎么能把它们都记住呢”符合语境。故选B项。26．E

27．A

28．G

29．B

30．D【导语】这是一篇说明文。文章主要介绍了如何利用互联网来极大地扩展自己的知识。26．上文“Takepartinanonlinelanguagecourse.(参加在线语言课程。)”以及后文“Otherwebsiteslikeuniversitiesoffercomprehensive(综合的)languagecoursesatalowprice.(其他网站，如大学，提供综合语言课程的价格较低。)”可知，上文是该段的主旨，第二段都与在线语言课程相关，下文则说提供在线语言课程的大学网站收费低廉，可知空格处的内容是在举例说明线上语言课程有免费的。E项中“languageclasses”与下文中“languagecourses”一致，“Some”与下文的“Others”相对应，因此E项“Someonlineeducationalresourcesofferbasiclanguageclassesforfree.(一些在线教育资源提供免费的基础语言课程)”最符合语境。故选E。27．下文“Online,youcanuseflashcardsandworksheetsatlittle-to-nocost.Youcanalsocommunicatewithotherlanguagelearnersthroughforums(论坛).Usestudyresourcestofurtherstrengthenyourknowledgeofthelanguage,especiallyifyou’restrugglinginyouronlinecourse.(在网上，你可以以很少甚至是免费的成本获得抽认卡和工作表。你也可以通过论坛与其他语言学习者互动。利用学习资源进一步加强你的语言知识，特别是如果你在网上课程中很吃力的话。)”可知，这里主要介绍了在网上如何寻找学习资源，该段主要内容是关于在网上寻找学习资源的建议。A项中“theInternet”与下文中“online”相对应。因此A项“TurntotheInternetforstudyresources.(上网寻找学习资源)”最恰当。故选A。28．上文“Listentoforeignmusicforpractice.Youmaynotbeabletotraveltoyourcountryofchoice,butyoucanlistentonativespeakers.(听外国音乐或看外国电影来练习。你可能不能去你选择的国家旅行，但是你可以听以英语为母语的人说话。)”以及下文“Lookupthewordsofaforeignsong