Unit3TheInternet（人与社会信息技术（原卷版）（人教版2019必修二）

必修第二册（人教版）Unit3The Internet2019单元引言解读人与社会信息技术The Internet is beingthe townsquare for the globalvillage oftomorrow.Bill Gates一释义本单元的名人名言意为“因特网正成为明日地球村的闹市广场”它很好地诠释了主题图的寓意现实世界的闹市广场熙熙攘攘、人来人往，商品、服务和信息在此集聚、流通、交换和分享，满足人们的物质生活和精神生活的需要该名言用闹市广场隐喻互联网，生动传神启示互联网的出现，打破了时间和空间的界限互联网、人工智能和科技信息化的今天，互联网带给人们方方面面的方便和快捷互联网的出现是时代进步的必然产物，是科技发展的重要标志互联网给人们带来的既有机遇，同样也有挑战互联网在带给人们便利的同时，也给我们的生活带来了一些困扰因此,对待互联网，我们一定要保持理性的头脑，辩证地看待互联网带给人们的机遇和挑战人与社会信息技术名言名句积累

1.The Internetis changingthe waywe live.网络正在改变我们的生活方式

2.puters havereplaced humansin manyareas of our life,making ourwork mucheasier andmore efficient.在我们生活的很多领域电脑已经代替了人类，使得我们的工作更容易、更高效

3.Whafs more,Internetisjust likea bridgeof municatingbetween people.PeopIe getcloser throughit,whichpromotes interpersonalrelationship.而且，互联网就像人们之间沟通的桥梁人们通过它距离变得更近了，这促进了人际关系

4.I feelit isimportant forus eitherto limitour use of the Internet,or tolearn howto handlethe problemsithas caused.我觉得，要么限制使用互联网，要么学会如何处理互联网所引起的问题，这对我们来说很重要

5.With thedevelopment of the Internet,many individualsfavour onlineshopping because it ismoreconvenient andcan savetime.随着互联网的发展，很多人喜欢网上购物，因为它更方便，而且能节省时间

6.Internet makesour studyand workmore effective.C.Singapore hasthe tallestnatural waterfall.D.Rapid urbanizationpartly causeswater shortage.

22.What isparagraph3mainly aboutA.Why Singapore is shortof water.B.Whether thereis water shortage.C.How wesolve watershortage.D.What watershortage is.

23.Whats the authors attitudetowards dealingwith watershortageA.Supportive.B.Negative.C.Unclear.D.Disapproving.

（六）（高——下•贵州铜仁•期末）2324In recentyears,scientists whostudy wildpopulations areincreasingly turningtoremotely pilotedplanes,otherwise knownas drones,to monitor animals.For example,drones arebeing usedto trackwhales,or to keep aneye onAfrican elephantherds andwatch forsigns ofpoaching.Such remotesurveys aregenerallyconsidered highlycosteffective.But it wasnt clearwhether they are as accurate asoldfashioned,feetontheground,expert evaluations.To findout,（聚Jarrod Hodgsonof the University ofAdelaide ledthe study.Using rubberducks,the researcherslaid out10colonies居地），ranging insize fromabout500to more than1,000individuals.We thenhad experiencedground countersmakeindependent countsof thosebirds fromnearby.At the same time,we flewa droneoverhead capturingphotographs.^The dronedata werethen analyzedtwo ways.First,a groupof scientists added upthe numberof birdsthey couldseein eachscene.The results of that approach:“We found that on average thedronederived dataorthedronederived countsmadeby humanscounting the images werebetween43percent and96percent more accurate thanthe traditionalgroundbased counts.^^The betterthe image,the moreaccurate thecount.Then,Hodgson andhis teamdeveloped asemiautomatedputer programto dothe countingfor them.And theyfound:“there wasno statisticaldifference betweenthosecounts andthe countspleted byour volunteersusing exactlythe sameimagery.”The resultsappear in the journalMethods inEcology andEvolution.So countingby dronenot onlysaves timeand effort,but yieldsbetter data,a definiteplus interms ofconservation.When wemonitor wildlife,increasing theaccuracy andthe precisionof animalsurveys givesus moreconfidence inourpopulation estimates.And this,means thatwe havea strongerevidence baseon whichto makemanagement decisionsorpolicy changes.In otherwords,a dronein thesky is better thantwo scientistsin thebush.

24.What doesthe underlinedword they”in paragraph2refer toA.Drones.B.Remote surveys.C.Whales.D.African elephantherds.

25..What canwe learnfrom theresultsof the approachA.The dronedata were moreaccurate.B・The imageswere veryplex.C.The counthas nothingto dowith theimage.D.The traditionalgroundbasedcountsweremorereliable.

26.What isthe lastparagraph mainlyaboutA.The procedureof countingby drones.B.The accuracyof countingby drones.C.The aimof countingby drones.D.The benefitsof countingby drones.

27.Which isthe mostsuitable titlefor thetextA.The Waysto AnalyzeDrone DataB,The Scientistsin theBushC.The DronesUsed toCount AnimalsD.The Jobof aGround Counter

七、完形填空高一下•江苏盐城•期中2324I was appreciating myfamily photoson myputer,admiring mytwo beautifulbabieswhen Ifound an28scene:my laptopwas inalmost all the pictures.There wasmy daughter,8months old,playingat myfeet whileI was29on thecouch.There wasmy son,with abig transformer,on myleft arms.rd heardabout the Internet addictionbefore,but Ialways thoughtit wassomething only30playing too much WorldofWarcraft aputer gameday andnight.Now,it seemedmy Internethabit isslowly butsurely crossingthe

31.Sometimes Ifind myself32at midnight,surfing the Web33my familyaresleeping.I readnews,keep up with friendsand writemy blog...just fbrsomething to do.It34that Imnot theonly mamawho is addicted to the puter.These momsare contributingto agrowing globaladdiction.Theres amovement amongpsychiatrists doctorswho specializein mentaldiseases to35the Internet addictionas anofficial mentaldisorder.And arecent StanfordUniversity nationalsurvey foundthat14percent ofInternet usersfindit36to stayaway fromit forseveral daysatatime;9percent tryto hidetheir37Internet usefrom theirloved ones;8percent admitthey use theWebas a way toescape

38.Youre likelynot thekind ofaddict whodoesnt batheand abusesdrugs tohelp stayup formore onlinetime.Youmay havenoticed,39,that goingonline has bee anecessary part of your life,which,40,means abox ofclothes go

41.It mayalso meanyoure missingmuch timewith yourbaby——something you

28.A.wonderful B,eyecatching C,scary D.disturbing

29.A.eating B.typing C.singing D・jumping

30.A.limited toB,devoted toC.belonged toD.glued toprobablydo42about.

31.A.knife B.bridge C.path D.line

32.A.in B.out C.up D.down

33.A.while B.but C.and D.since

34.A.figures outB・turns outC.sets outD.stretches out

35.A.admit B.judge C.regard D.recognize

36.A.obvious B・acceptable C.hard D.favorable

37.A.accessible B.irreplaceable C.unbelievable D.unnecessary

38.A.arrangements B.entertainments C.threats D.disforts

39.A.therefore B,though C.somehow D.hence

40.A.at leastB.above allelse C.after allD.at most

41.A.unworn B,unnoticed C.unreported D.unwashed

42.A.hesitate B,bring C.care D.appreciateA书面表达2324高二上・陕西宝鸡•期中阅读下面材料，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SHOULD WEFIGHT NEWTECHNOLOGYThis morning,I sawthe shockingheadline:Passenger DiesWhen CarCrashes inDriverless Mode”.In thearticle,various peoplesaid that the publicshould opposethe ideaof developingdriverless cars.They saidthat someadvances intechnologywere unnecessaryand couldeven bedangerous.Hence,we shouldcease acceptingtechnology justbecause it isnew.The newspaperreported thatthe carpany hadalready apologizedfor theaccident,but thefamilies of the deceasedsaiditwasnot enough.Nevertheless,the panystill claimedthat mostpeople would be travellingin driverlesscars onedaysoon.On theone hand,there aremany differentgroups ofpeople around the worldwho livehappily in the absenceof newtechnology.Probably the most wellknownare theAmish,a groupof Christiansliving inrural America.They donot ownordrive cars,watch TV,or usetheInternet.They havelived mainlyas farmerssince the18th centuryand theywill probablybeliving thesame wayin thedistant future.They advocatea simplelife with an emphasison hardwork,family,andmunity.They thinkthat isbetter thancaring aboutluxuries orfollowing thelives of the richand famous.It couldeven bearguedthattheAmishs qualityof lifeisbettersince theylive inand appreciatethe naturalenvironment ratherthan living注意in large,polluted cities.续写段落不少于个词；

1.150请按如下格式作答

2.参考词］匚theInternetkeep intouch social media healthmonitorParagraph1:On theother hand,new technologyhas providedpeople everywherewith manybenefits overthe years.For example,Paragraph2:思维素养提升Personally,I havebenefited quitea lotfrom technologicaladvances.V\Taskl本单元的主题语境是“人与社会”，话题是“信息技术”本单元的写作任务是写一篇安全上网建议的博文，要求对上网安全提出建议，属于说明文的范畴写作时要注意主旨明确，结构完整，简明扼要请选择一篇你感兴趣的阅读语篇，尝试用思维导图绘制出文章脉络吧！FYTask2（高二上•江西宜春,阶段练习）如今，互联网已经成为现代人工作和生活中必不可少的通信工具，在人们2223的日常生活中起着重要的作用，但它也有一些负面影响请就互联网的利与弊发表你的见解，并阐述你的理由内容包括好处促进人际交流；网上购物便捷L.弊端长时间上网影响工作和休息；网瘾影响学生的学习

2.你的观点3注意.词数左右；

180.可适当增加细节，以使行文连贯2参考词汇网瘾Internetaddiction互联网使我们的学习和工作更有效

7.Over theInternet,we canlearn moreknowledge andbroaden ourhorizons.通过互联网，我们可以学习更多的知识并开阔我们的视野

8.Some studentsignore theirstudies sincetheyareaddicted toputer gamesseriously.一些学生严重地沉迷于网络游戏而忽视了学习

9.We shouldmake gooduseofour timeand notbee addictedto theInternet.我们应该充分利用我们的时间，而不是沉迷于网络

10.Follow thesetips,and yourtime spentdoing researchon theInternet will be muchmore worthwhile.遵循这些窍门，你在网上做研究所花的时间就会更加值得鎏时文拓展阅读How Will Europes NewArtificial IntelligenceRules Affectthe WorldEuropeannations reachedan agreementon rules for artificialintelligence AIlast week.Some expertssay theregulationswill affectpeople aroundthe world.Here aresome ofthe detailsoftheagreement reportedby theAssociatedPress:The AI Act andhow itworks:The AIAct aims to regulateor establishguidelines for AI technologythat hasthe potentialto causeproblems ifmisused.AI systems that remendonline material,or thosethat checkemail messages,would beless regulated.Buttechnology thatconcerns healthcareor medicaldecisions wouldhave higherrequirements.Some AI systems willbe bannedexcept in some cases.They includesystems thatscan peoplesfaces inpublic andsystems that makepredictions aboutfuture behaviorsuch aswhether aperson willmit acrime.The newAIActwill nottakeeffect untiltwo yearsafter avote fromEuropean lawmakers.The voteis plannedfor thefirst part of nextyear.Thesoonest itwouldbein placeis sometimeearly in

2026.How willthe Actaffect the worldSome expertssay theguidelines couldbcc aglobal standard.That hashappened before.One recentEuropeandecision causedU.S.pany Appleto stopusing itslightning datacable infavor ofa morewidely usedcable.Experts sayEuropesrules mightbe usedasablueprint inother parts oftheworld.Anu Bradfordis aprofessor atColumbiaUniversity inNew YorkCity.She calledEuropes actprehensive1and Hagamechanger.n Bradfordnoted theEuropeanrules willHshow theworld AIcan begoverned.Rights groupsplained thatEuropes decisionto notpletely banthe useof facialrecognition is a missedopportunity/Amnesty Internationalnoted thatEurope didnot banexports of AI technologythat coverssocial scoring.Social scoringsystemspermit governmentsto recordhow wellcitizens followrules.What aretheU.S.and ChinadoingIn theUnited States,President JoeBiden signedan executiveorder inOctober onAI.Biden requiredAI technologypaniesto sharetest resultsand otherinformation withthe government.Government organizationswill createrequirementsfor AI tools thatmust befollowed beforesystems arereleased forpublic use.China releasedrulesforAItoolsthat creatematerialsuch asphotos,text andvideos.The rulesare onlyshortterm guidelines.President XiJinping alsocalled for anopen andfair environmentforAIdevelopment aroundtheworld.WillEuropesrules changeChatGPTThe riseof ChatGPT,an AItool basedintheU.S.,is oneofthereasons forEuropes newset ofrules.Europes rulesincludeguidelines forchatbots andother AIsystemsthatcan dojobs such as writing,creating videoand writingputercode.Systems mustclearly showwhere the material thatwent into training thebots camefrom.They alsomust showhowmuch energywas usedtotrainthe systems,or models.They should be openabout howthey controlthe datathat esfromtheir toolsusers.And theyneed toobserve theEUs copyrightproperty protectionlaws.High technologysystems orrisky usesofAIare requiredto followstricter rules.Those includesystemsthatcreatebasic piecesof information,suchasputer code,that otherswill thenuse tocreate otherAIsystems.【译文欣赏】欧洲新的人工智能法案将如何影响世界？欧洲国家上周就人工智能（AI）规则达成协议一些专家表示，这些规定将影响世界各地的人们以下是美联社报道的协议的一些细节《人工智能法案》及其运作方式《人工智能法案》旨在规范或制定人工智能技术的指导方针;如果滥用，可能会造成问题推荐在线材料或检查电子邮件的人工智能系统将受到较少的监管但涉及医疗保健或医疗决策的技术将有更高的要求除某些情况外，一些人工智能系统将被禁止它们包括在公共场合扫描人们面部的系统，以及预测未来行为（如一个人是否会犯罪）的系统新的《人工智能法案》将在欧洲立法者投票两年后生效投票计划于明年上半年进行它最快将在年初到位2026该法案将如何影响世界？一些专家表示，该指南可能会成为全球标准这种情况以前也发生过最近欧洲的一项决定导致美国公司苹果停止使用其闪电数据线，转而使用更广泛使用的电缆专家表示，欧洲的规则可能会被世界其他地区用作蓝图阿努・布拉德福德是纽约哥伦比亚大学的教授她称欧洲的法案是“全面的”和“游戏规则的改变者:指出，欧洲的规则将“向世界展示人工智能是可以被治理的”Bradford人权组织抱怨说，欧洲不完全禁止使用面部识别的决定“是一个错失的机会”大赦国际指出，欧洲没有禁止出口涵盖社会评分的人工智能技术社会评分系统允许政府记录公民遵守规则的情况美国和中国在做什么？在美国，乔・拜登总统于10月签署了一项关于人工智能的行政命令拜登要求人工智能技术公司与政府分享测试结果和其他信息政府组织将制定人工智能工具的要求，在系统发布供公众使用之前必须遵守这些要求中国发布了创建照片、文本和视频等材料的人工智能工具规则这些规则只是短期的指导方针欧洲的规则会改变吗？ChatGPT总部位于美国的人工智能工具的兴起是欧洲制定新规则的原因之一欧洲的规则包括聊天机器人ChatGPT和其他可以完成写作、创建视频和编写计算机代码等工作的人工智能系统的指导方针系统必须清楚地显示用于训练机器人的材料来自哪里他们还必须展示训练系统或模型所消耗的能量他们应该公开如何控制来自工具用户的数据他们需要遵守欧盟的版权财产保护法高科技系统或人工智能的高风险使用需要遵循更严格的规则其中包括创建基本信息如计算机代码的系统，其他人将使用这些信息创建其他人工智能系统【词汇积累】规定regulations-n.pl.rules andlaws thatgovern afield orindustry某事发展的可能性potential-n.the possibilitythat somethingmight happen扫描scan-v.to recordtheimageof somethingand touse itdigitally全球标准global standard-n.a levelof qualityfor afield orindustry that is observedor requirearoundtheworld蓝图；设计图blueprint-n.the plansforabuilding;a setof plansfor howsomething shouldbe done综合性的；全面的prehensive-adj.involving allpartsofsomething规贝改变者gamechanger-n.idiom somethingthatisimportant orcauses changeU社会信用评分social scoring-n.awayof ratingpeople onsocial issueschatbot-n.an artificialintelligence toolthat produceswriting orother materialon requestby takingexisting thingsfrom一种聊天程序the internet【知识拓展】月日，欧洲议会正式投票通过并批准欧盟《人工智能法案》在法国斯特拉斯堡举行的欧洲议会全会上，313该法案获得张赞成票，张反对票人工智能法案》文本的草案最早是欧盟委员会在年月提出，内5234620214容包括将严格禁止“对人类安全造成不可接受风险的人工智能系统”，包括有目的地操纵技术、利用人性弱点或根据行为、社会地位和个人特征等进行评价的系统等据悉，该法案将在走完所有审批程序后在欧盟公报上予以公布并于天后生效法案中的相关条款将分阶段实施20【词汇延伸】人」:智能Artificial Intelligence美联社联合通讯社规定调节，控制约束，控制，管理Associated Pressregulate人工智能技术AI technology在某些情况下有时候当众，在别人面前公开地公然地insomecases inpublic冷综合实战演练

（一）（2024•浙江•高考真题七选五））In thepast fewyears,online learninghasbeea significantpartofthe universityandcollege experience.]But areall online courses createdequal Howcan yoube surethat digitallearning isright foryou2We interviewedstudents andprofessors to get theiradvice about online courses,The mostobvious advantageofonline learningis that you canstudy anywhereand anytime.3I thinka pointthat manypeople lose sight ofis howeasy itcanbe tofall behindschedule/9says graduatestudent AmandaBindman.Before choosingto studyonline,considerwhether youre a selfrnotivatedlearner and if thematerial seemsinteresting enoughto keepyou going.The tipthat esup mostoften issimple:build online courses intoyour weeklyschedule,just likewhat youwould dowithin personcourses.4He notedthat hisonline studentsusually end upwithlower grades.It isso easy to letan onlinecourseslide,but yourgrades willsuffer asa result.Be sureto scheduleset timesto watchyour lectures,read materialsandcontribute toonline discussion boards.5A socialconnection isoften abig partof learning.There arethings you can doto easethis problem.JessicaPink,an undergraduatestudent,suggests takingonline courseswith afriend,so you can motivateeach otherto stayontrack.You canalso findstudents onthe classdiscussionboardto organizea studygroup,or scheduleinperson meetingswith yourprofessor todiscuss courseconcepts.A.But thatdoesnt meanthere arentdeadlines.B.Your motivationshouldbeyour mainconcern.C.Do youknow thatonline coursesare alsopartof your educationD.Professor AlexDavidson teachesthesamecourse in person and online.E.The chiefplain taboutonlinecourses is that theylack humaninteraction.F.If youtake anonlinecourse,what canyou doto ensurethe bestpossible gradeG.A surveyfoundthat29percent ofcollege studentsregistered foronlinecourses.（（找联系）（思逻辑）（析选项――T读全文）看位置）速读全文,看题目位于段首、寻找题H前后在词思考题目前后在分析选项的特征，预测所在文中的位置了解大意段中还是段尾汇、意义上的联系行文上的逻辑关系■）主旨句常以段落小标题或主题句的形式出现3步准做“七选五”段弄第一步先做段首、段尾题，缩小排查范围承上启此空处的答案能够将上段和本段的内容连贯起首清下句来段作因段首、段尾题要么是主题句（总结句），要尾用用于总结本段内容，常含有总结性的词语易答么就是承上启下句，具有鲜明的语言特征，题目简判案单，较易判定做题时，先将这类题目的选项定位，定明承上启此空处的答案能够将本段和下段的内容连贯起既可缩小思考柩闱，乂可使原文信息更加明了下句来第二步:剩余选项细排查，利用句间关系来判定并列或空格前后两句话中彳jfirst,second,third等词,随着将段首、段尾题判定驻位后，原文信息会递进关系或also,further,similarly等词句剩更加明了，再次通读原文，理清剩余段中题的句间转折或空格前后两句话中彳jho wever,nevertheless,间余关系，将剩余选项对应复位段关选让步关系Btil1though等词°中9系项第三步代入选项通读原文，句通意畅来验证题迷再因果关空格前后两句话中有asaresult,thus,so/将所选答案代入文中，重点检查逻辑关系,看人判系，such…that等词眼断有无不合行文逻辑的现象解释例证前后句的某句是为了证明另一句而举的例子关系高考英语七选五解题技巧

（二）Before choosingto studyonline,consider whetheryoureaselfinotivated learnerandifthematerialseems interestingenoughtokeepyou going.句子结构分析本句是祈使句，谓语动词连接和引导的宾语从句做宾语，consider,“and”whether ifconsider总结句Before choosingto studyonline是介词短语做状语翻译_________________________________________4阑团康I厘signiflcant adj；digital adj；obvious adj；schedule n；selfmotivated adj；inperson adj；set熟词新义］；contribute u［熟词新义］；ease v；concept n；deadline n；motivation n；lack v；；；interaction nlosesightof sthfall behinde up；；endupwith letsth slidemotivate sbto dosthregister for

（二）（高一下•四川绵阳•期末）2324How toStop Beingan Oversharerin PersonandonSocial MediaDoyou find yourself sharingdetails aboutyourlifewithatotal strangerOr,maybe youlook backona conversation withacoworker andrealize youwere talkingthe entiretime.6Whether youovershare tofill awkwardsilences orjust becauseyou dont knowwhat elseto talk about,weve gotyou covered:weve collectedthe besttips to avoid oversharing.Pause for1to2seconds beforespeaking.Sometimes we talk withoutthinking,and endup sharingmore thanwe meanto.7That way,you canthink twiceandavoid anythingyou dont want to talkabout.8Maybe aconversation isheaded ina directionthat carriesa lotof emotionalweight fbryou.If youdont want to talkabout（）something relationshipproblems,past trauma,grief,etc.,casually turnto othersubjects bygiving thema plimentorpointing outsomething aboutyour environment.Set clearboundaries foryourself beforetalking.In yourhead,make alistof topicsthatyoudontwanttotalkabout withan acquaintanceorastranger.When youfindyourselftoward thosesubjects,usethemethods abovetoavoidthem.9Avoid social media whenyoure feelingemotional.10When youreupset,you mightfind thatyou postthings younormally wouldnton yoursocialmediaaccounts.To avoidoversharing onsocialmedia,log outofyouraccounts anytime yourefeeling down.If youdo so,you wonttendto tellpeople thingsonline thatyoudontactually wantto share.A.Avoid aconversation withemotional subjects.B,Oversharing doesntalways happeninperson.C,Change thetopic ofaconversationif itcauses burden.D.Before openingyour mouth,reconsider what youre goingto say.E.That way,you canstop yourselffrom oversharingfrom thebeginning.F.Oversharing iseasytohappen,and itsa problemthat manyof usdeal with.G.Realizing thatwetalktoomuch,we oftenfeel regretfulabout whatwe say.

（三）（高——下•湖匕•期末）2324Cloud storage is aflexible andconvenient wayto storedata withplete peaceofmind.11This meansyou canstore all your digitalthings remotely,without takingup spaceon your puter.There aretwooptions available:public cloudstorage allowsyou to share hostingspace withother users;private cloudstorageisthe idealchoicefor panieswho wantto have their datastored intheir ownenvironment.12Once youhave registeredand setup youraccount,you simplysave yourfiles viathe internetusing yourusername andpassword.This ensuresyour dataremains secureand inaccessibleto anyoneelse.Should youchoose,you canputcertain permissionsin place,which makesit easytoshareyour datawith yourcolleagues oryour family.When yousign up to cloudstorage,youcanchoose theamount ofspace you need.13You canstore anythingdigital:allyourfiles,videos andpictures.Whether youwanttouse thisstorage solutionto store your familyphotographs oryouwant touseitto storeyour workdocumentation,you willfind itquite convenient.Is itbetter thanyour puteror anexternal driveThe answeris adefinite yes.puters crashallthetime.14External harddrives canstill break,or fail.Here youalso havethe addedrisk ofmisplacing itor havingit stolen.There areso manyadvantages tocloud puting,from theability toaccess yourdata fromwherever,whenever,to notneedingexpensive externalstorage devices.15A.Cloud storageis verysimple touse.B.You willfind cloudstorage verycheap.C.It enablesyou tostoreyourdata onhosted servers.D.It isthe leastthing peoplelike tomeet duringwork.E.This isthe mostmon causeof lostwork andmemories.F.You canstart witha smallamount andincrease thestorage sizelater on.G.The onlydisadvantage,however,isthatyouneedinternet toaccess files.

（四）（高一下•云南昭通•期末）2223Its timeto ownup.When youresitting at yourputer,do youwork continuouslyallday Ordo youallow yourselfto beedistracted nowand againto opena fewextra websites,check socialmedia,read aspotof news,browse thelatest fashiontrends,maybe catchup onsome celebritygossip,and lookat some...Stop!Youre cyberloaflng”.The unwieldyword isa binationof“cyber”,which meansrelated toputers”,and“loaEng”,which meansrelaxing ina lazyway”.We do it,and we doita lot.A studyfrom theUniversity ofTexas（拖延）suggests weare guiltyof thisform ofprocrastination for14%ofourworking day.On aFriday afternoon,itsexpected to be more than that.But itsa slipperyslope.It candamage yourproductivity andeven yourcareer.Because according totheUniversityof Texasresearch,each timea workergets sidetrackedby the internet,it takesan averageof23minutes to get backtowork.More thanthat,cyberloafing hasa darkside,accordingtoa reportpublished inThe Journalof PsychosocialResearchon Cyberspace.It arguesthat cyberloafingis connectedto severalnegative personalitytraits.People who（自恋的）.cyberloaf aremore likelyto beselfish andnarcissististic Furthermore,people withthese traitsare lesslikelyto feelashamed aboutavoiding work,and lessconcerned aboutgetting caught.Why dowedoit Forsome,its undoubtedlyan escapefrom thehard boringwork thattheyre supposedtobedoing.Some mightget afeeling ofsatisfaction,get excitementfrom findinga greatdeal online.But overall,ifs somethingthattakes youaway fromwhatyoureactually beingpaid todo,or payingtodo:if yourea student.When youhavethewholeworld oftheinternetatyourfingertips,its hardto resist.How dowe avoidcyberloafing Ifyoucantruly askyourself whyyou arecyberloafing,then thatcan helpidentifythe baseproblem.And ifthat soundslike toomuch hardwork,you couldjust switchoff theinternet fora coupleof hours!A.make aparison B,reach aconclusionC.introduce atopic D.provide evidence

16.In writingparagraph1,the authoraimsto.

17.Whafs NOTcaused bycyberloafingA.Low productivity.B.High efficiency.C.Being distracted.D.Selfinterested.

18.What doesthe underlinedpart slipperyslope“in paragraph3meanA.Bad habit.B.Rough road.C.Smooth step.D.Big obstacle.

19.Where isthis textmost likelyfromA.A diary.B.A guidebook.C.A novel.D.A magazine.

（五）（高——下•贵州毕节•期末）2324Singapore usesabout430million gallons of waterevery day-a numberit（消费）expects coulddouble inthe nextfour decades.That kindof consumptionis increasingpressure onthe Asiancitystate tosolve growingproblems aboutglobal watershortage.So itis buildingnew technologyto prepareitself fora futurewheregetting clean water willbe evenmore difficult.（城市化）Rapid urbanizationand risingglobal temperaturesare makingaccess tonatural water sourcesincreasingly hardtoget.Meanwhile,Singaporeishome tomorethanfive millionpeople andis coveredin fountains,（水库）reservoirs andother waterfeatures-including theworlds tallestindoor waterfall,a130fbot facilitythat pumps10,000gallonsofwater perminute.But ithas nonatural water sources ofits own,instead relyingheavily onrecycled waterandimports fromits neighbors.There9sabig desireto beewater independent-to controlthe future-and thatis largelydependent onthe technologies（海绵）吸being developed.One development:A small,black spongecan cleanwaste water.The spongeabsorbs U攵）（污染物）190times itsweight inwaste likecontaminants andmicroplastics.The materialis reallyuseful andwillbe（过滤装置）further developedfor mercialuse.Another oneisalightweight filtration device thathas alreadyprovidedclean drinkingwater tomorethan75,000people acrossSoutheast Asia.One ofthemostcreative aspectsoftheproduct isitssimplicity.Besides,the waterfiltrationdeviceis nobigger thana bicyclepump,but itcan provideclean watertovillages of100people foruptotwo years.Everyone isvery luckyto haveaccess toclean drinkingwater.For peopleintheworld,clean waterisabasic aspectfbrlife onearth.Whats moreimportant,itiseveryones responsibilityto payattention towatershortageand takeaction.

20.What canwe learnabout thefutureA.It may be easiertogetcleanwater.B.Water shortagemaybeworse.C.The populationmay beelarger.D.Water consumptionmay beeless.

21.What doestheauthordescribe aboutSingaporeA.Some naturalwatersourcesare foundeverywhere.B,Five millionpeople goto findwatersources.。