2023届黑龙江省佳木斯市高考英语考前最后一卷预测卷含解析

2023高考英语模拟试卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．HewasadmittedtoHarvardUniversity,________wasjustwhathisparentsexpected.A．who B．whichC．what D．where2．Theboyishavingafever.You’dbetterdampatowelandlayit______hisforehead.A．acrossB．withinC．throughD．beyond3．—Iamwondering________makesyoustudysohard?—Togotomydreamuniversity.A．whatisitthat B．thatiswhatC．whatisthat D．whatitisthat4．Mysistermethiminthestreetyesterdayafternoon,sohe______yourlecture.A．shouldn’thaveattended B．couldn’thaveattendedC．mustn’thaveattended D．needn’thaveattended5．Thepopularityofgovernmentpostshasdroppedinrecentyears,thoughthecivilservicejobsarestillfavoredbytheChineseastheyoffera_______stablecareer.A．relatively B．regularlyC．roughly D．rigidly6．—________?Youlookreallydown.—I’mtiredofmyjob.Thereareendlessproblemstodealwith.A．Whybother B．SowhatC．What’sup D．Whynot7．Thecouplewasinitiallylookingforwardtohavinganoverseasweddingbuthadtodroptheideaafterfacing________fromparents.A．recognition B．tolerationC．opposition D．proportion8．Afterclass,theteachercouldn’tleave,bythestudents.A．surrounded B．tosurroundC．wassurrounded D．surrounding9．Thereaslightdecreaseinhisweightbutheeatstoomuch.A．was B．couldhavebeenC．hadbeen D．couldbe10．_________therequirementissethigh,itisablessingforChinesestudentsthatCambridgeUniversityusesscoresonGaokaoaspartofitsadmissioncriteria.A．As B．While C．Once D．Where11．---IprefershuttingmyselfinandlisteningtomusicalldayonSundays.---That’s_______Idon’tagree.Youshouldhaveamoreactivelife.A．how B．when C．where D．what12．asingleworldcanchangethemeaningofasentence,asinglesentencecanchangethemeaningofaparagraph.A．Justas B．EventhoughC．Until D．Unless13．He’sasa“bellyacher”—he’salwayscomplainingaboutsomething.A．whoisknown B．whomisknownC．whatisknown D．whichisknown14．Theeventthat_________inmymemoryhappenedonemorningin1983whenIwas14yearsold.Ithasneverescaped.A．stoodoutB．standsoutC．wouldstandoutD．hasstoodout15．Wecanneverexpect____bluerskyunlesswecreate____lesspollutedworld.A．a;a B．a;theC．the;a D．the;the16．Ifyou________cometoourvillage,I’llshowyouaround.A．will B．shall C．must D．should17．Takingdrugshasbecomepartofeverysport_________athletesseektoachievebeyondtheirnaturallimits.A．which B．that C．who D．where18．ifIhadarrivedyesterdaywithoutlettingyouknowbeforehand?A．Wouldyoubesurprised B．WereyousurprisedC．Hadyoubeensurprised D．Wouldyouhavebeensurprised19．Wecancommunicate________peopleineverypartoftheworld________theInternet.A．with；with B．with；throughC．through；through D．through；with20．ThemothergoesmadeverytimeshewashestheT-shirt__________hersonwipeshisdirtyhands.A．that B．whereC．which D．when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）SamantaSchweblin,oneofthebestyoungSpanishlanguagenovelistsnominated(提名)byBritishliterarymagazineGranta,hasvisitedBeijingtopromotethefirstChineseeditionofacollectionofhershortstories.Thecollection,BirdsintheMouth,hasbeentranslatedandpublishedbyShanghai-basedpublisherReader.“SometimesIholdtheChineseeditionandchooseastoryatrandomandtrytoguesswhichoneitis.Butitisalmostimpossibleforme;eventhelengthisdifferent.”saysSchweblin.“WhenabookistranslatedintoaWesternlanguage,Icanatleastunderstandsomepartsofmystories,andthereforesuffersomedoubtaboutthequalityofthetranslation.ButmyChineseeditionismorelikeanactoffaith.”BorninArgentinain1978,SchweblinsayssheisinfluencedbytheliterarytraditionsoftheLaPlataarea,hometomanyfamousLatin-Americannovelists.Interestedinwritingstoriesofordinaryliveswheresuddenlysomethingextraordinaryhappens,somethingnew,strangeorunknown,shethinks,“Thestrangerandtheunknownarenotalwaysrelatedtoghostsoraliens,butcanbesomethingrelatedtotheknownworld,somethingthatactuallycouldhappen.”BirdsintheMouthtellsofadivorcedfatherwhoworriesabouthis13-year-olddaughterandhermysteriousappetites.Itturnsoutthathisdaughtereatslivebirds.TheideaforthisstorycametoSchweblinwhenshewasbrowsingtheInternet,“Click,click,click,apictureofalittlegirlwholooksfrightenedwithherhandscoveringhermouthcametomyeyes.Littlebylittle,Idevelopedthestoryinmymind,andthenwroteitdown”recallsSchweblin.AlthoughthereareelementsofviolenceandbloodinessinSchweblin’sstories,sheskillfullyhidesthem,thinkingthetricktowritingathrillingstoryistostopthemonsterfromappearing,whilemaintainingafrighteningandmysteriousatmosphere.1、SamantaSchweblincametoChinato________.A．payavisittoBeijingB．translateherstoriesintoChineseC．helptomakeherbookmorepopularD．publishhercollection2、WhenmentioningherChineseedition,Schweblinthinks________.A．shesufferssomedoubtaboutthequalityofthetranslationB．herChineseeditionisslightlydifferentfromtheoriginaloneC．shecanunderstandsomepartsofherChineseeditionD．shehasastrongbeliefinherChineseedition3、Fromthepassagewecantell,theauthor________.A．hasanappetiteforwritingsomethingextraordinaryB．gottheideaofherstoryBirdsintheMouthbydesignC．triedtoquitdescribingviolentandbloodyscenesinherstoryD．thinksherwritingstyleismainlyaffectedbysomefamousnativenovelists4、Wecanprobablyreadthepassagein________.A．atextbookB．anewspaperC．areportD．asciencefiction22．（8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．Toinstruct23．（8分）Humansmakemistakes.Evensurgeonswithyearsofexperiencearenotinfallible.Butwhatifthesedoctorscouldpooltheirknowledgeandexperiencetogetherandcreateasurgicalstandardofcare,tobecarriedoutbymachines?That'stheideabehindsurgicalrobots,whichmaysoonperformmostsurgeries,fromsewinguptinywoundstoperformingheartprocedures.Manyoftheseoperationsare,infact,alreadycompletedwiththeassistanceofrobots.Butarecenttestsuggeststhatrobotsintheoperatingroommaysoongoastepfurther,performingonsofttissuecompletelyontheirown,fromstarttofinish.TheSmartTissueAutonomousRobot（STAR）,successfullycompletedsurgeriesonpigs."We'rethefirstgrouptodevelopautonomousroboticsurgerywithsoft-tissuesurgery,andwhencomparedtostandardoperation,it'sbetter,"saysPeterKim,professorofsurgery."Theideaisnottoreplacesurgeons；itwillmakethesurgeonsbetterandmaketheproceduressafer."ArecentMayoClinicstudyfoundthatmajorsurgicalerrors-includingoperatingonthewrongsiteorsideofthebody,orevenleavingtoolsorobjectsinsidethepatient-occureveryoneoutof22,000procedures.That'srare,butrobotslikeSTARwouldaimtolowerthenumberevenfurther.InthedaVincisurgicalsystem,surgeonsplacetheirarmsinsideinstrumentsandusetheirhandstocontrolthemovementofrobotictoolsontheoperatingtablefromafar.Therobot'severymajormoveiscontrolledbysurgeons,andthusitsresultsmayvarybasedonthesurgeon'strainingorexperience.STAR,ontheotherhand,isentirelyautonomous.It'snotonlyabletoworkonitsownandperformsurgerieswithamoreflexible"hand",butit'sabletoreacttotheunexpectedincidents.Cuttingintohardtissuelikebonesisonething,butoperatingonmovingsofttissueisfarmorecomplex.STARreactstoachangingenvironment,similartohowself-drivingcarsareprogrammedtonotonlydriveonthehighway,butalsoreacttoanotherdrivermakingamistakeandgettinginyourway.1、Theunderlinedword"infallible"inParagraph1probablymeans______.A．quitesmartB．reallycreativeC．ratherresponsibleD．alwaysright2、WecanlearnfromthepassagethatSTAR______.A．canperformtheoperationonitsownB．hasbeenwidelyusedintheoperatingroomC．canmakesurgeriesmuchfasterD．willtaketheplaceofsurgeons3、InthedaVincisurgicalsystem,______.A．robotsaretrainedfromafarB．robotsalwaysmakemistakesC．surgeryresultsdependonsurgeonsD．surgeonshavetroublecontrollingrobots4、Inthelastparagraph,theauthormentionsself-drivingcarsinordertoshow______.A．howsmartanautonomousrobotcanbeB．howdifficultself-drivingonthehighwayisC．howbadgettinginanotherdriver'swaymightbeD．howdangerousoperatingonpeopleis.24．（8分）Manyofusmistakenlybelievethatit’swrongtothinkwehaveanygoodqualities.Wemayspendalotoftimeblamingourselvesforournegativequalities,thinkingthatselfcriticismisthekeytoimprovingourperformance.However,aconstantfocusonoursupposedshortcomingscanstopoureffortstomakefriendswithotherpeople.Howcanwebelievethatotherscouldlikeusifwebelieveourinnerbeingisflawed(有缺陷)?Ifsomeoneseemstodislikeyou,thereasonforthatdislikemighthavelittleornothingtodowithyou.Thepersonwhodoesn’tlikeyoumightbefearful,orshallow,orbusyorshy.Perhapsyouandthatpersonaresimplyamismatchforeachotheratthisparticulartime.Don’ttakeyourselfoutofthegamebydecidingthatyourflawsarebiggerthanyourgoodqualities.Infact,someoftheveryqualitiesyouconsidertobeflawsmaybeirresistibletosomeoneelse.Forallthefactorsthatmightcauseonepersontorejectyou,thereareatleastasmanyfactorsthatwillworkinyourfavorwithsomeoneelse.Youmightbethirtypoundsoveryouridealweight,butyoumayhaveawonderfullaughandarealenthusiasmforlife.Therearemanypeoplewhodon’tmindyourextrapounds.Youmaydriveashabbycar,butyoumightbeagreatdancerandaloyalfriend.Therearepeopleouttherelookingforloyalty,orfun,orsweetness,orwisdom,andthepackageitcomesinisnotimportant.Ifyouareworriedthatyouarenotbeautifulenoughtoattractfriends,keepinmindthatnoteveryoneislookingforphysicalbeautyintheirfriends.Youcandecidetofeelinferior(自卑)becauseyoudon’thavemuchmoneyandyoudon’tdriveanicecar.Youcanbelievethatthisisthereasonthatyoudon’thavemanyfriendsinyourlife.Ontheotherhand,ifyouareverywealthyyoumaybesuspiciousthateveryoneisafteryourmoneyandthatnobodyreallylikesyouasaperson.Thepointisthatyoucanfocusonjustaboutanythingandbelieveit’sthereasonyoudonothavefriendsandcannotmakeany.1、Accordingtotheauthorplaysanimportantroleinmakingfriends.A．admittingyourshortcomings B．selfcriticismC．modesty D．confidence2、Ifyouarenotlikedbyaperson,.A．youshouldfindthereasoninyourselfB．you’dbettertalkwiththepersonfacetofaceC．youmaynotbetheonetobeblamedD．youandthatpersonmisunderstandeachother3、Wecanlearnfromthethirdparagraphthat.A．yourgoodqualitiesmayturnouttobeyourflawsB．yourweaknessmayalsobeyourstrengthsinsomewayC．yournegativequalitiescauseapersontorejectyouD．you’llhavefewfriendsifyourflawsarebiggerthanyourgoodqualities4、Whichofthefollowingistrueaccordingtotheauthor?A．Itisimportanttoloseweight.B．Itiseasierforawealthypersontomakefriends.C．Innerqualitiesaremoreimportantthanphysicalappearance.D．Ifyouarenotbeautifulenough,trytoimproveyourphysicalbeauty.25．（10分）Didyouknowthatbadmintonisalsoafast-pacedcompetitivesport?BadmintonhasbeenaSummerOlympicsportsince1992.Para-badmintonwillbeincludedinthe2020SummerOlympicGamesinTokyo.Here’swhatyouneedtoknowifyourchildisinterestedinbadminton.Badmintonisplayedona44-foot-longrectangular(矩形的)courtthatis17feetwideforsinglesand20feetwidefordoubles.Itisdividedinthemiddlebyanetplaced5feetofftheground,likevolleyball,notatgroundlevelliketennis.Incompetition,eachmatchisasetofthreegamesplayedto21points.Thereisaone-minutebreakwhenaplayerorteamreaches11points,andatwo-minutebreakinbetweenthefirstandsecondgamesandthesecondandthirdgames.Agekidscanstart:About6yearsold.Bestforkidswho:Havegoodskills,arepatientandhardworking,andcanhandlethepressureofone-on-oneortwo-on-twocompetition.Teamorindividual:Matchescanbesingles(one-on-one)ordoubles(two-on-two).Funfact:BadmintonistheonlysportthathasmixeddoubleseventintheOlympicGames.Costs:Beginnersareexpectedtopay$30to$40foranentry-levelracquet(球拍).Badmintonshoesaresimilarinpricetootherathleticshoes.Joinacluborteamforlessons.Aone-hourgrouplessonforbeginnersshouldcost$20to$25,withcostsincreasingasyourchildmovesuptheranks.Youwillalsopayentryfeesforcompetitions.Timecommitmentrequired:Beginnerswillplayforjustanhourortwoperweek.Potentialforinjury:Playershaveaverylowriskofinjury.Playerswhowearglassesshoulduseeyeprotection.1、Fromthepassage,wecanlearnthat________.A．badmintonisafast-pacedcompetitivesportwhichbeganin1992B．thecourtforsingleshasthesamewidthasthatfordoublesC．badmintonhasmixeddoubleseventintheOlympicGamesD．para-badmintonhasbeenincludedintheSummerOlympicGames2、Howmanyminutesinallwillaplayerhaveforarestinasetofthreegames?A．2.B．3.C．7.D．11.3、Accordingtothepassage,forthebeginners,theyshould________.A．wearglassestoprotecttheireyesB．starttolearnbadmintonattheageof8C．playforatleastanhourortwoeverydayD．payatleast$20foraone-hourgrouplesson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）Johnhadtogotowork.Sohesetoffhalfanhour36thanusualandarrivedatthelibrarybeforeanybodyelse.The37tocomewasMr.Steele,whothought,“Thismustbeawonder.Johnis38thefirsthere.Ifhecameas39asthiseverymorning,hewouldgetalotmore40done.”Johnbegantogetonwithhisworkandbyhalfpastninehehad41allthepostcardshehadtowrite.Itwasaquartertoten,andMaryhadnotarrived42.Hewondered43shewasillorifshehadtakentheday44.ButMr.Steelecameand45himifheknewwhereMarywas.Ifshewereill,shewould46,hesaid.It’snotlikeher.She’susually47.Johnsaidthathehadno48whereMarywas.But49thedooropenedandtherewasMary.Shewaslookingvery50andtired.SheapologizedtoMr.Steeleandexplainedthatshehadbeen51mostofthenight.Shehadn’t52tosleepuntilfiveinthemorningandhadoverslept.Mr.Steelewasvery53andsuggestedthatshetakethedayoff.She54himandsaidshewouldstay,butshe55saidawordfortherestofthemorning.John,ontheotherhand,wasfeelinghappysoatoneo’clockhesuggestedtoMarythattheygoandhavelunchtogether,andsheagreed.1、..A．later B．faster C．slower D．earlier2、..A．next B．last C．third D．first3、..A．almost B．about C．actually D．finally4、.A．soon B．early C．late D．quick5、.A．job B．book C．work D．thing6、..A．taken B．sold C．finished D．ended7、.A.too B．yet C．still D．already8、..A．whether B．why C．when D．either9、.A．on B．over C．off D．up10、..A．told B．warned C．answered D．asked11、..A．telephone B．drive C．ride D．stay12、..A．laterforwork B．absent C．ill D．thefirsttocome13、..A．question B．idea C．thought D．mind14、.A．atthatmomentB.foramomentC．longbefore D．afterwork15、.A．happy B．pale C．red D．excited16、..A．asleep B．away C．alone D．awake17、.A．got B．wanted C．hoped D．begun18、.A．cruel B．kind C．angry D．glad19、..A．taught B．told C．laughedat D．thanked20、..A．hardly B．nearly C．mostly D．immediately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）ThecheongsamisafemaledresswithdistinctiveChinesefeaturesandenjoysgrowing1．(popular)intheinternationalworldofhighfashion.Thename“cheongsam”2．(mean)simply“longdress”enteredtheEnglishvocabularyfromthedialectofChina'sGuangdongProvince.InotherpartsofthecountryincludingBeijing,however,it3．(know)as“qipao”，whichhasahistorybehindit.AftertheearlyManchu(满族的)rulerscametoChina,theManchuwomenwore4．(normal)aone­piecedresswhichcametobecalled“qipao”.5．the11RevolutionendedtheruleoftheQingDynasty,thefemaledresssurvivedthepoliticalchangeand,withlaterimprovements,hasbecomethetraditionaldressforChinesewomen.Thecheongsam,6．neckishigh,collarclosed,fitswelltheChinesefemalefigure,anditssleevesmaybeeithershort,mediumorfull7．(long),dependingonseasonsortastes.Inaddition,itisnottoocomplicated(复杂)8．(make).Nor9．itneedtoomuchmaterial.Anotherbeautyofthecheongsamisthatitcanbeworneither10．casualorformaloccasions.Ineithercase,itcreatesanimpressionofsimpleandquietcharm,elegance(优雅)andneatness.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下短文。短文中共有10处错误，每句中最多有两处。错误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。LastSunday,Itakepartinawalkingactivitywithmyfriends、Earlyinthemorning,wejoinedinotherparticipantsofdifferentage、At8:30,theygatheredatthestartingpoint,preparedourselvesforthelongdistancewalking、Assoonasthesignalwasgiving,wesetoffalongthewalkingroutearoundtheSportsPark、Somepeoplewalkedfast,whenothersjusttooktheirtimetoenjoythefreshairandthebeautifulnaturalscenery、MyfriendsandIcheeredeachotheron,andreachedfinishingline、Regularlyactivitieslikethisnotonlykeepusfit,butalsohelpgetuscloserwithnature、第二节书面表达（满分25分）29．（25分）假定你是李华，正在美国交流学习。你的美国老师Amy邀请你下周五下午3点到她的班里为美国小学生上一节课，介绍中国传统艺术——国画。请给她回复一封电子邮件，要点如下：1.接受邀请，表示感谢；2.国画简介（如艺术地位、绘画内容、著名画家等）；3.课前学生需做的绘画用具上的准备。注意：1.词数：100左右；2.可以适当增加细节，以使行文连贯；DearAmy,_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、B2、A3、D4、B5、A6、C7、C8、A9、D10、B11、C12、A13、C14、B15、A16、A17、D18、D19、B20、B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、1、C2、D3、A4、B22、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,butmosta