江苏省无锡市江阴四校新高考英语五模试卷及答案解析

江苏省无锡市江阴四校新高考英语五模试卷请考生注意：1．请用2B铅笔将选择题答案涂填在答题纸相应位置上，请用0．5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。写在试题卷、草稿纸上均无效。2．答题前，认真阅读答题纸上的《注意事项》，按规定答题。第一部分（共20小题，每小题1.5分，满分30分）1．—Youshouldhavehelpedyourmomwashthedishes．—Imeant．Butsheisalwaystellingmetostudy．A．todo B．to C．doingso D．doing2．Oneofthemostimportantquestionstheyhadtoconsiderwas___________ofpublichealth.A．whatB．thatC．thisD．which3．﹣Haveyougottheresultsofthefinalexam？﹣Notyet．Itwillbeafewdays________weknowthefullresults．（）A．before B．afterC．until D．when4．Generallyspeaking,________accordingtothedirections,themedicinehasnosideeffect.A．whentakenB．whentakingC．whentotake D．whentobetaken5．Nowadayswiththedevelopmentofscience,moreandmorenewtechnology____tothefieldsofIT.A．hasintroduced B．wasintroducedC．willintroduce D．isbeingintroduced6．Moreandmorepeopleprefertoliveinthecountryside,_______appealforthemliesinthequietandslow-pacedlife.A．who B．WhichC．whose D．what7．--Areyouhappywiththislaboratory?--Notalittle.Wecan’thave________.A．aworseone B．anicerone C．aworstone D．anicestone8．Andrewlivesaloneandenjoysthecompanyofapetcat_______he’sgrownsofond.A．which B．inwhichC．ofwhich D．when9．Thetwopensarethesame,buttheredonecost_____________thatone.A．asmuchtwiceas B．twiceasmuchasC．muchastwiceas D．astwicemuchas10．Althoughtheusedcarseemsingood______,itcannotrunfast.A．state B．situationC．condition D．occasion11．语音知识(共5小题；每小题l分，满分5分)从A、B、C、D四个选项中，找出其划线部分与所给单词的划线部分读音相同的选项。并在答题卡上将该项涂黑。12．.---HowdidyouFrench?----IlivedinParisfortwoyearsbeforeIcametoEngland,soIgotlotsofpractice.A．gothrough B．pickup C．setup D．turnup13．Amancanfailmanytimes,heisarealfailurewhenhebeginstoblamesomeoneelse.A．butB．orC．andD．so14．WhethertofavorurbandevelopmentorthepreservationofhistoricalsitesisespeciallycontroversialinChina,wherethereexistsrichhistory,diversifiedtraditionandcultural________.A．surplus B．deposits C．accounts D．receipts15．Asisknown,onlyhardleadstohappiness.A．workB．worksC．workedD．working16．—Simonwilllistentomusiceverytimehecomesacrossamathsproblem.—Youknow,musicisthesourceof______inlife.A．inspirationB．identificationC．reactionD．recreation17．–What’sthatnoise?–Oh,Iforgottotellyou.Thenewmachine______.A．wastested B．willbetestedC．isbeingtested D．hasbeentested18．WorldAIDSDayisalsoimportantinremindingusthatHIVhasnotgoneaway,andtherearemanythingsstilltobedone.A．which B．whatC．that D．/19．Everymanhashisfaults.Weshould,therefore,leantobe________ofothers.A．ignorant B．responsibleC．reliable D．tolerant20．TheOxfordEnglishDictionaryisnecessaryforlearningEnglish，soyou'dbetterbuy__________．A．this B．that C．it D．one第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）WhenIfirstgotane-mailaccounttenyearsago,Ireceivedcommunicationsonlyfromfamily,friends,andcolleagues.NowitseemsthateverytimeIcheckmye-mail,Ihaveanendlessseriesofadvertisementsandothercorrespondencethatdonotinterestmeatall.Ifwewante-mailtocontinuetobeuseful,weneedspecificlawsthatmakespamming(发送垃圾邮件)acrime.Iflawmakersdonotdosomethingsoontoprohibitspam,theproblemwillcertainlygetmuchworse.Computerprogramsallowspammerstosendhundredsofmillionsofe-mailsalmostinstantly.Asmoreandmoreadvertisersturntospamtoselltheirproducts,individuale-mailboxesareoftenfloodedwithspame-mails.Wouldpeoplecontinuetousee-mailiftheyhadtodealwithanannoyingamountofspameachtime?Thisproblemistroublingforindividualsandcompaniesaswell.Manyspame-mailscontaincomputervirusesthatcanshutdowntheentirenetworkofacompany.Companiesrelyone-mailfortheiremployeestocommunicatewitheachother.Spamfrequentlycausesfailuresintheirlocalcommunicationsnetworks,andtheiremployeesarethusunabletocommunicateeffectively.Suchasituationresultsinalossofproductivityandrequirescompaniestorepeatedlyrepairtheirnetworks.Thesecomputerproblemsraiseproductioncostsofcompanies,whichare,intheend,passesontotheconsumer.Forthesereasons,Ibelievethatlawmakersneedtolegislate(立法)againstspam.Spammersshouldbefined,andperhapssenttoprisoniftheycontinuetodisturbpeople.E-mailisatoolwhichhelpspeopleallovertheworldtocommunicateconveniently,butspamisdestroyingthisconvenience.1、Whatdoestheunderlinedword“correspondence”inParagraph1probablymean?A．messages B．ideasC．connections D．programs2、Accordingtothetext,whatisthemajorcauseofthefloodingspam?A．Companiesrelyone-mailforcommunications.B．Morepeopleintheworldcommunicatebye-mail.C．Manycomputervirusescontainspame-mail.D．Moreadvertisersbegintopromotesalesthroughspam.3、Accordingtotheauthor,whoisthefinalvictimofspam?A．Thebusiness B．TheadvertiserC．Theemployee D．Theconsumer4、Whatisthepurposeofthetext?A．Toinform B．ToeducateC．Topersuade D．Toinstruct22．（8分）83-year-oldAntonioVicentehasspentthelastfourdecadesofhislifefightingagainstthetrend.AsBrazilianlandownerscutdownrainforeststomakeroomforprofitableplantations(种植园)andcattlegrounds,hestruggledtobringthejunglesofhischildhoodbacktolife.“WhenIwasachild,thepeasantscutdownthetreestomakegrasslandsandcharcoal,andthewaterdriedupanddidnotcomeback,”hetoldthereporters,“Ithought:‘Waterisvaluable,noonemakeswaterandthepopulationwillnotstopgrowing.Whatisgoingtohappen?Wearegoingtorunoutofwater.’”Withonlysomedonkeysandasmallteamofhiredworkers,AntonioVicentesetaboutbringingbacktheforesttohisland.Whatstartedoutasaweekendhobbysoonbecameapermanentwayoflife,andAntoniorecallsoftenspendingwholedaysandnightsinhisyoungjungle,surroundedbyratsandfoxes,andeatingbananasandwichesforbreakfast,lunchanddinner.Overthelast40years,hehasplantedanestimated50,000treesonhis31-hectareland,whichnowmakeupasmallbutuniqueareaofrainforest,andahavenforwildlife.Astheforestgrew,thewaterreturned,andAntoniosaysthattherearenowover20water,sourcesonhislandthatwerenolongertherewhenheboughtit.Thentheanimalsstartedmakingahomethere,Today,theforestisalivewiththesoundsofbirdsandinsectslivingthere,andmorespeciesaresettlingineveryyear.“Therearetoucans(巨嘴鸟),allkindsofbirds,squirrels,lizards,andeventheboarsarereturning,”83-year-oldVicentesays,“Ifyouaskmewhomyfamilyare,Iwouldsayallthisrighthere,eachoneofthesethatIplantedfromaseed.”1、WhatdowelearnabouttheBrazilianpeasants?A．Theywastedmuchwateronfarming.B．Theyfocusedonshort-termprofits,C．Theycaredmuchabouttheenvironment.D．Theyreliedheavilyonrainforestsforaliving.2、WhatusedtobeyoungAntonio’sbiggestconcern?A．Overpopulation. B．Pollutedwater.C．Lossofgrasslands. D．Watershortage.3、Whatdoestheunderlinedword“haven”inParagraph3probablymean?A．Trap B．DisasterC．Shelter D．Balance4、Inthelastparagraph,Antoniomainlyexpresseshis________.A．affectionforhisforest B．thanksforhisfamilyC．deeploveforrarebirds D．prideasasuccessfulfarmer23．（8分）ThesedaysIamonmyverybestbehaviorwheneverIleavethehouse.IfIamwearingpantyhose(连裤袜),Idouble-checktoensurethereisnoholeonit.IdrivethoughtfullyasifI’mbeingtestedforalicense.Iwon’tevenallowmyselftofrownwhenanotherdriverisblockingmypath.Mykidshavenoticedmyfearinpublic.“Whyareyoulookingallaround,Mum?”theyasked.“Youcan’tbetoocareful,”Isaid.“Everysinglepersonaroundusishidingoneofcellphonecameras.Theyaregladtocatchsomebodydoingsomethingstupidorembarrassing.Thenthey’llputitonYouTubeandamillionpeoplewillsee.I’mnottakinganychances.”“ButIdon'tthinkanyoneisinterestedinfilmingyouputtingonyourlipstickforaYouTubevideo.”answeredonekid.“Oh,really?Don'tcountmeoutsoquickly.”Isaid.Actually,insomecases,Iamallforpublicshaming.Forexample,Iadmiretheclevernessofthemanwhoputupawebsitewherehepostsphotosofcarsandlicensenumbersofpeoplewhooccupytwoparkingspots.AndItakesecretpleasureinphotosofpoliticianswiththeirfingersintheirnoses.Throwinglightonbadbehaviorcanawakethesleepyconscience(良知).Butwhataboutthepoorguywhohasalreadyhadabaddayatworkandthenloseshistemperatarudestoreclerk?Whataboutthewomanwhoseonlycrimeisaterriblejudgmenterroratthehairdresser?DotheydeservetohavetheirimagesuploadedontotheInternetforalltheworldtosee?Noneofthisisnew,ofcourse.AllenFuntpioneeredtheartofcatchingpeopleduringunguardedmomentsbackinthe1940swith“CandidCamera”.Butthere’sadifference.On“CandidCamera”,peoplearesetupinstagedsituations,suchasridinginanelevatorthatgoessideways.Andtheymustgivepermissionbeforetheyenjoytheirfifteenminutesoffame.NowweareanationofAllenFunts.Thiscan’tbeagoodthing.1、Whatistheauthorlike?A．Sheispooratdriving.B．Sheisaveryfashionabledresser.C．Sheisverycautiousaboutherbehavior.D．Sheissicktodeathofothers’rudeness.2、Whatistheauthortrulyafraidof?A．Makingmistakesbeforeherkids.B．Beingfilmedwhiledoingsomethingstupid.C．Gettinginvolvedinaquarrelwithothers.D．WatchingvideosonYouTube.3、Fromthetext,theauthorthinksitgood________.A．tokeepthepoor’smistakessecret.B．todownloadimagesfromtheInternet.C．totakepleasureinmakingfunnyvideos.D．tomakethepublicawareofbadbehavior.4、Whatdoestheunderlinedsentenceinthelastparagraphsuggest?A．Peoplecanbeeasilycaughtinembarrassingmoments.B．WearepermittedtouploadimagesontotheInternet.C．Itwasonceafashiontofilmpeopleinunguardedmoments.D．Cellphonesmakeitconvenienttocatchillegalbehavior.24．（8分）Kyleismybigbrother.Foreighteenyears,IfeltthatKylewasmyenemy.Infact,Ifounditridiculousthatpeoplethoughtolderbrotherslookedoutfortheirsisters,protectedthemandfoughtofftheirsisters，bullies.Huh?Mybrotherwasthebully(恃强凌弱者).Whenwewerelittle,hisfightswithotherscausedmyonlyblackeye,cutsinmylipsandevenanosebleedortwo.IoftenwishedIwereanonlychild!Timeflew.Weendedupattendingcollegestwothousandmilesapart,yet,strangely,that’swhenwebegancommunicating.Throughe-mail,wekeptinconstanttouch.MostlyIcomplainedaboutserioushomesickness,impossibleroommates,difficultclasses,and…dating.IfeltIlostmyself.Ataparticularlylowtime,IcriedtoKyleaboutmyinjuredconfidence,mybrokenheart,andtheparticularjerk(蠢人)whobrokeit.Andthat’swhenthepackagearrived.“What’sthis?”IthoughtasItoreintoit.Theboxrevealedasweatshirt.“PhiDeltaTheta?That’sKyle’sfrat(兄弟会).”Kylewasthepresidentofthefrathouse.Whywouldhesendthis?Iputitasideanddugdeeper.Apileofletters.Andtheywerealladdressedtome.Iopenedtheoneontop.“Katrina,”itsaid,“yourbrothershowedmeyourpictureandIthinkyou’reawesomeandbeautiful.”Irolledmyeyes.“Yeah,sure.”Iopenedanotherletter.Andanother.Eighteeninall.Eachonewasfromadifferentguy.Theycomplimented(恭维)me.Theyinvitedmeondates.AndtheytriedtoconvincemetomakeatripouttoKnoxCollegeandmeetthem.Ilovedit.Ididn’tcareaboutthemotive.Andmostly,Ilovedtheideathatmybigbrotherhadpulleditoff.Ipickedupthephone.“Kyle,theboxcameandIcan’tbelievewhatyoudid.”ButKylewasn’tacceptingcompliments.“Oh,”hesaid,“Iwasjusttiredofreadingyourcomplaints”.Bigbrothers,Idecided,reallydidprotecttheirsisters.AndminefoughtoffthebiggestbullyI’devermet.NowIreturntomytrueself,fullofconfidence.1、WhydidtheauthorusetocallKyleherenemy?A．Hehadmanyfightswithher.B．Hecouldn’tfightoffherbullies.C．Hebulliedherfromtimetotime.D．Hisfightscausedhertosufferalot.2、Whydidthefratguyswritetotheauthor?A．Theyhadmercyonher.B．Theytriedtocheerherup.C．Theywerestruckbyherbeauty.D．Theywantedtocomplimenther.3、Whatdoestheunderlinedpartinthelastparagraphreferto?A．Myself-doubt.B．Myhomesickness.C．Theparticularjerk.D．Thechallengingclasses.4、What’stheauthor’spurposeinwritingthispassage?A．Toshareherchildhoodexperience.B．Tocomplainaboutherbiggestbully.C．Toshowherbrother’sprotectionforher.D．Tointroduceheradjustmenttocollegelife.25．（10分）Inafewdecades,AI(ArtificialIntelligence)willoutstrip(超越)manyoftheabilitieswebelievemakeusspecial.Thisisagrandchallengeforourage,anditmayrequireaneffectiveresponse.Withcomputersconqueringwhatusedtobedeeplyhumantasks,whatwillitmeaninthefuturetobehuman?Someareworriedthatself-drivingcarsandtrucksmaydisplacemillionsofprofessionaldrivers,anddisruptentireindustries.ButIworryaboutmysix-year-oldson.Whatwillhisplacebeinaworldwheremachinesconquerusinoneareaafteranother?Whatwillhedo,andhowwillherelatetotheseever-smartermachines?Whatwillbehisandhishumanpeers’contributiontotheworldhe’lllivein?Actually,itallcomesdowntoafairlysimplequestion:What’ssospecialaboutus,andwhat’sourlastingvalue?Itcan’tbeskillslikearithmeticortyping.Norcanitberationality(理性),becausewithallouremotionswehumansarelackingit.Soperhapswemightwanttoconsiderqualitiesatadifferentangle:bravecreativity,irrationaloriginality,evenadoseofplainillogicalcraziness,insteadofhard-nosedlogic.Iamnotsuggestingwegiveuponreason,logic,andcriticalthinking.Infact,justbecauseIthinksohighlyofthevaluesweassociatewithrationality,Idobelievewemightwanttocelebrateabitoftheopposite.Sowemustaimourhumancontributiontothisdivisionoflabortocomplement(补充)therationalityofthemachines,ratherthantocompetewithit,becausethatwillsustainablydifferentiateusfromthem,anditisdifferentiationthatcreatesvalue.Whatshouldwedo?IfIamright,weshoulddevelopacreativespirit,evenirrationalideasasweeducateourchildren.Unfortunately,however,oureducationsystemhasnotcaughtuptothecomingrealityofthisSecondMachineAge.Ourschoolsanduniversitiesarestructuredtomold(塑造)pupilstobemostlyservantsofrationality,andtodevelopoutdatedskillsininteractingwithoutdatedmachines.1、Whatdoestheauthorworryabout?A．Manypeople’slosingtheirjobs.B．Humanbeings’positionintheworld.C．Machines’conqueringhumanbeings.D．Manyautomaticmachines’appearing.2、Whatdotheunderlinedwords“theopposite”inParagraph6referto?A．Irrationalbehaviors.B．Reasonableactivities.C．Dangerousmoves.D．Logicthinking.3、Whatshouldwedotodealwiththefuturechallengesfrommachines?A．Trytocopytheirexamples.B．Trytodobetterthanthem.C．Trytodowhattheycan’tdo.D．Trytobesmarterthanthem.4、What’stheauthor’sattitudetowardtoday’seducation?A．Unclear.B．Confused.C．Confident.D．Disappointed.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）Iwalkedintothegrocerystorenotparticularlyinterestedinbuyingsomething.Thesorrowof1myhusbandof37yearswasstilltoopainful.Andthisgrocerystoreheldsomanysweet2Boboftencamewithmeandalmosteverytimehe'd3togooffandlookforsomethingspecial.I'dalwaysseehimwalkingdownthewalkway4thethreeyellowrosesinhishands.BobknewIlovedyellowroses.Withaheart5withpain,Icametothemeatshelf,Isearchedforthe6smallsteakandrememberedhowBobhadlovedhissteak.Suddenlyawomancamebesideme.Shewasinasoftgreendress.I7asshepickedupalargepackofT-bones,8theminherbasket,hesitated,andthenputthemback.Shesawmewatchingherandshesmiled."MyhusbandlovesT-bones,but9,attheseprices,Idon'tknow.""Myhusbandpassedawayeightdaysago,"Itoldher."Buyhimthesteaks.Andvalueevery10youhavetogether."ShesmiledandIsawthefeelinginher11assheplacedthepackageinherbasketand12away.Iturnedandpushedmycartforwardtoo.SeveralminuteslaterIsawfirstthegreensuitandthen13theprettyladycomingtome.Inherarmsshecarriedsomething.Onherfacewasthe14smileIhadeverseen.Asshecamecloser,Isawwhatsheheldand15welleddown."Theseareforyou,"shesaidandplacedthreebeautifulyellowrosesinmyarms.Sheplacedagentlekissonmycheek,thensmiledagain.Iwantedtotellherwhattheroses16,butstillunabletospeak.Iwatchedasshewalkedawayastearscloudedmy17Ilookeddownatthebeautifulrosesandfounditalmost18Howdidsheknow?Suddenlythe19seemedsoclear.Iwasn'talone."Oh,Bob,youhaven't20me,haveyou?"Iwhispered,withtearsinmyeyes.Hewasstillwithme,andshewashisangel.1、A．losing B．leaving C．passing D．failing2、A．flowers B．roses C．memories D．thoughts3、A．decide B．happen C．refuse D．pretend4、A．by B．with C．during D．between5、A．full B．filled C．pleased D．crowded6、A．very B．beautiful C．pretty D．perfect7、A．watched B．saw C．found D．glared8、A．fell B．carried C．dropped D．took9、A．exactly B．generally C．usually D．honestly10、A．moment B．dinner C．time D．year11、A．hands B．eyes C．voice D．basket12、A．left B．ran C．slipped D．wheeled13、A．realized B．recognized C．received D．thought14、A．saddest B．funniest C．brightest D．strangest15、A．words B．tears C．feelings D．sweats16、A．stood B．described C．meant D．designed17、A．sight B．cart C．roses D．package18、A．unknown B．uncommon C．unreal D．unlike19、A．question B．answer C．case D．puzzle20、A．missed B．disappointed C．hated D．forgotten第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）Will1．matterifyoudon'ttakeyourbreakfast?Recentlyatest2．(give)intheUnitedSates.Thosetestedincludedpeopleofdifferent3．from2to83.Duringtheexperiment,thesepeopleweregivenallkindsofbreakfasts,andsometimestheygot4．breakfastatall.Specialtestsweresetuptosee5．welltheirbodiesworkedandwhentheyhadeaten6．certainkindofbreakfast.Theresultsshowthatifapersoneatsaproperbreakfast,heorshewillworkwithbettereffect7．ifheorshehasnobreakfast.Thisfactappearstobe8．(especial)trueifapersonworks9．hisbrains.Forexample,ifastudenteatsfruit,eggs,breadandmilkbeforegoingtoschool,hewilllearnmorequicklyandlistenwith10．(much)attentioninclass.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假如英语课上老师要求同桌之间交换修改作文，请你修改你同桌的以下作文，文中共有10

处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加，删除或修改。增加:

在缺词处加一个漏字符号(/\),并在其下面写出该加的词。删除:

把多余的词用斜线(\)

划掉。修改:

在错的词下划一横线，并在该词下面写出修改后的词。注意：1、每处错误及其修改均仅限一词:2、只允许修改10处，多者(从第11处起)

不计分。:Iaman18-year-oldmiddleschoolstudent、Ihavebeenbusywithmystudyandseldomhelpedmyparentsinthehousework、Feltquitesorryforthat,Ibegantothinkabouthowtodotohelp、LastSunday,whenmyparentswentoutshopping,Isuddenlygotanidea:whynottogivetheroomsathoroughcleaning?FirstlyIcollectedallthebooks,newspapersandanotherthingsscatteredintheroomsandputtheminplace、ThenIwipedthedustofallthefurnitures、Afterthat,Isweepandmoppedthefloors、Atthisverymoment,myparentscamebackandwerequitesurprisetoseealltheroomstidilyandfloorsshining、Mymothergavemehug、TiredasIwas,Ineverfeltsohappy、第二节书面表达（满分25分）29．（25分）你校将于4月26日“世界知识产权日”（TheWorldIntellectualPropertyDay）举办一次以“科技让校园生活更美好”（ScienceMakesLifeBetteronCampus）为主题的创意作品展。假定你是李华，请你代表学校学生会写封邮件，邀请美国交换生Henry参与展评活动。内容包括：1.目的：尊重知识、崇尚科学；2.展评时间，地点、内容；3.报名方式及截止日期。注意：1.词数100左右，内容包括主要要点；2.可以适当增加细节，以使行文连贯。DearHenry,________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHu

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、B2、B3、A4、A5、D6、C7、B8、C9、B10、C11、regularA．productionB．1anguageC．popularD．minute2．weightA．heightB．ceilingC．foreignD．neighbour3．specialA．musicalB．oceanC．medicineD．biscuit4．perfectA．electB．preventC．effectD．problem12、B13、A14、B15、D16、A17、C18、C19、D20、D第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21、Manypeoplewritetonewspaperandmagazinestoexpresstheiropinions.Letterstotheeditormustcarrythewriter’sfullname,addressandtelephonenumber,althoughtheinformationisnotnecessaryforpublication.Thisrequirementtoprovidepersonalparticularsisaclearindicationthatwritersareheldresponsibleforwhattheysay.Whenawriterwantshisvoiceheard,heneedstoclaimownershipofhisvoice.Responsibilityisthenameofthegame.“Peopletodaypreferlivingtogethertoputtingtheirsignaturesonamarriagecertificatebecausetheyrefusetoacceptresponsibilityfortherelationship,”saidsocialworkerKenYip,“andthisiswhatiscausingalotoffamilyproblems.”Whenwesignapaper,forexample,abusinesscontractorabankdocument,thesignatureisasealofconsent,anagreementtotakethematterseriously.Mostgovernmentsandmanyorganizationswillnotprocesswrittencomplaintsiftheydonotbearthewriter’ssignature.Theabsenceofasignature,theyexplain,tellsusthatthewritercannotbetooseriousandthereforedoesnotdeserveareply.Therearepeoplewhowishtoremainanonymous（匿名的）forvariousreasons.Multi-billionaireMr.Kingdonatesgenerouslytocharityseveraltimesayear.Hegivessimplybecausehewantstohelpbutnotforthepublicityhisdonationsmaybring,andhedoesnotwanthisgooddeedstomakenews.Inothercases,peopleinsistonanonymitybecausetheyareafraidoftheconsequencesofrevealingtheiridentity.Crimewitnessesmaybewillingtoassistthepolice,butmostareunwillingtogivetheirnameswhenre