上海市金山區(qū)2024-2025學(xué)年高三英語試題周練卷含解析

上海市金山區(qū)2024-2025學(xué)年高三英語試題周練卷請(qǐng)考生注意：1．請(qǐng)用2B鉛筆將選擇題答案涂填在答題紙相應(yīng)位置上，請(qǐng)用0．5毫米及以上黑色字跡的鋼筆或簽字筆將主觀題的答案寫在答題紙相應(yīng)的答題區(qū)內(nèi)。寫在試題卷、草稿紙上均無效。2．答題前，認(rèn)真閱讀答題紙上的《注意事項(xiàng)》，按規(guī)定答題。第一部分（共20小題，每小題1.5分，滿分30分）1．Everyclassroominthismodernschoolis________withanewTVsetonthewallandacomputerontheteacher'sdesk.A．equippedB．decoratedC．fixedD．placed2．HestartedschoolthesamedayasIdidand________toitlikeaducktowater.A．a(chǎn)ppealed B．tookC．catered D．saw3．Weallsighedwith________reliefwhen________planefinallylandedsafely.A．a(chǎn);/ B．/;theC．a(chǎn);a D．a(chǎn);the4．Scientistshaveintroducedanewmodelof3Dprinter,______differsfromtheexistingonesincertainaspects.A．a(chǎn)s B．which C．who D．that5．－IhearIronManIIIisonrecently.Let’ssetoffforthecinematoappreciateitnow.－________It’sabout10PM.I’msotiredthatImustgotobed.A．Let’sfindsomeoftheaction.B．Howdoyoufindit?C．It’sentirelyuptoyou.D．Youcan’tbeserious.6．IwillgotoBeijingonbusinesstomorrow,doyouhaveanything____toyoursonstudyinginPekingUniversity?A．tobetaken B．totake C．taken D．beingtaken7．Itisglobalwarming,ratherthanotherfactors,___theextremeweather.A．thathaveledto B．whichhascausedC．whicharecausing D．thathasledto8．－DidTomgobacklatelastnight?—No.Itwasjustnineo'clockhearrivedhome.A．whenB．a(chǎn)fterC．untilD．that9．Thebiggestproblemformostplants,which________justgetupandrunawaywhenthreatened,isthatanimalsliketoeatthem.A．shallnot B．can'tC．needn't D．mustn't10．Raisingtheincomesofthepoorislikelytobeineffectiveinawealthysociety,________accompaniedbyothermeasures.A．once B．when C．if D．unless11．Markdriveshiscartoofastand,what’smore,verycarelessly,worrieshismother.AasA．what B．it C．which12．Sheisastrong-willedwomanandnotonce_______intoanydifficultyinherlife.A．shehasgiven B．didshegive C．shegave D．hasshegiven13．Thereisnoreasontobedisappointed.________,thiscouldberatheramusing.A．Aboveall B．AsaresultC．Apartfromthat D．Asamatteroffact14．—Iwasinformedthatyouwonthelottery?—Areyoukidding?MaybeIwillwinalotterywhen______.A．youcryforthemoon B．pigsflyC．a(chǎn)llgoodthingscometoanend D．yougetanewleaseonlife15．Johnonceworkedinaremotemountainvillageschool,whichis______onlyonfoot.A．a(chǎn)ccessible B．a(chǎn)cceptable C．a(chǎn)vailable D．a(chǎn)ppropriate16．Wordcamethat30firefightersgavetheirlivestoourcountry_______nationalpropertysecurity.A．inexchangefor B．inresponsetoC．intermsof D．incontrastwith17．AlphaGo’sbeatingGograndmasterLeeSedol4-1has________aninternationaldebateaboutwhetherrobotswillcompletelytaketheplaceofhumans.A．giveoff B．workoutC．setoff D．putout18．Nowadays,moreandmoreChinesehomeshavethetechnologyandequipment______todoonlineshopping.A．needed B．needingC．need D．toneed19．Hissisterlefthomein1998,and_________________since.A．hadnotbeenheardof B．hasnotbeenheardofC．hadnotheardof D．hasnotheardof20．Everythingisamazing.Thankyouall.Wewithoutyourhelp.A．can’tmakeit B．mustn’thavemadeC．won’tmake D．couldn’thavemadeit第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。21．（6分）Evenforafirst-timevisitortoChina,itisimpossibletoignorethepopularityofQuick-Response(QR)codes.Thesesquare-shapedblack-and-whitesymbolsinWeChatorAlipaywhereQRcodesarescannedtoaddnewfriendsormakepayments.TheQRCodesystemoriginatedinJapan.TheengineerMasahiroHarafeltthelimitationoftheone-dimensionbarcodeinuseandthusdevelopedtheQRcodeswhichcouldcarrydatahorizontallyandvertically.QRcodescouldholdmuchmoreinformationthanbarcodeduetotheirextradimension.Inaddition,QRcodeshavelargerdatacapacity,smallerprint—outsizeandhigherresistancetodirtanddamage,whichmakethemwidelyappliedinmanyotherapplications.ThoughthetechnologyofQRcodesiscomplicated,wecaneasilycreateourownQRcodeswiththehelpofQRcodegenerators,manyofwhichareavailableonlineforfree.UserscouldenterthedatatheywishtheQRcodetodisplay,andthegeneratorturnsitintoasymbolthatcanbeprintedordisplayedinelectronicform.TheprocessofcreatingQRcodescouldbereallyfunwhenwecustomisethedesignofthecodesaccordingtoourspecificneeds.Forinstance,wecanadjustthecolor,addalogo,andcreatesocialoptionsetc.Moreover,dynamic(動(dòng)態(tài)的)QRcodesarealsoavailable.TheyaremorevariousthanstandardQRcodesbecausetheyallowuserstoeditdataenteredpreviouslywhereasdatainstandardQRcodescannotbeeditedonceprinted.Plus,don’tlimityourQRcodetoonemobilescanner.Anyonecanscanyourcodewithanyreader.Alowerbarriertoentrymakessuccessmorelikelyforyouandtheuser.Meanwhile,wemustalsorecognizethevulnerabilityofQRcodes.Duetoitseasyaccess,criminalscanstealsimplybyreplacingtheQRcodeswiththeirown,routingcashintotheirownbankaccounts.Hence,weshouldallbecomemoreconscioustowardsvirtualmoneytransactionsthroughQRcodesandparticipateinadditionalsecuritymeasures.1、WhichofthefollowingisNOTafunctionofQRcodes?A．Datastorage.B．Scanningreader.C．Socialnetworking.D．Mobilepayment.2、Whyisbarcodementionedinparagraph2?A．Tointroducethemaintopic.B．Toshowtheauthor’sattitude.C．TohighlightthefeaturesofQRcodes.D．Toaddsomebackgroundknowledge.3、Whichofthefollowingbestexplains“vulnerability”underlinedinparagraph4?A．Threat. B．Weakness.C．Difficulty. D．Simplicity.4、WhichistrueaboutQRcodesaccordingtothetext?A．TheywerefirstusedinChina.B．Thegeneratorschargetheusersalot.C．DataeditingispossibleinprintedQRcodes.D．MorescanningdevicesareavailableinreadingQRcodes.22．（8分）Itwasacoldwinter.Thewindblewallnightandthesnowwasblinding.Whenmorningcame,mythreechildrenandIgotupandmadeourwaytothewindows.Aswelookedoutthewindow,wesawthatthehenhousewasgone.Ourthreehenshadbeenblownaway.Ilookedattheemptinessoutside.ThenIsawallthreechickenssataroundtheedgeofawhitebucket.Howwasthisviolentwindnotblowingthemintothefieldbeyond?Iquicklypulledonlongsnowpantsandheavywintercoat,wrappedascarfandstuckmyfeetintoverylargeboots.Ishoutedatthewindasitblew.Iwasalone,saveformychildren.Theystaredoutthewindowintothevastwhiteseaofsnow,theireyespeeledforanysignofmovement.OutsideIheardthesoundofmybootsasIwalkedagainstthewind.Thesnowcirclingaroundme,Isteadilymademywaytothesoftcluck-cluck-clucksoundmyhensalwaysmade.WhenIreachedthem,Isawthattheirlittlefeetwereholdingontotheedgeofthebucket,headsbentforwardandawayfromthewind.Igentlyliftedeachhenandputitcarefullyintothewarminside.ThenIbeganthefreezingwalkbacktothesmallsheddirectlybehindourhouse.OnebyoneIlaidmychickensonthecoldfloor,andtheybegantoclucksoftly.AsIshutthesheddoors,myeyeswentdirectlytothewindowwheremychildrenwerewatching.Theyjumpedupanddowncheering,andsodidI!Iwasn’tsomedragonslayer(屠龍者)fromafairytale.Iwassimplyamom,butthelookonmychildren’sfacestoldmethattheythoughtIwasaheromom.1、Seeingallthreechickenssittingaroundthebucket,theauthorfelt______.A．incredibleB．worriedC．shyD．confident2、Howdoestheauthorreachthehens

?A．Bysearchingforthewhitebucket.B．Bywearingprotectiveclothes.C．Byfollowingthesoundofthehens.D．Byshoutingatthehenhouse.3、Fromthestory,weknowthat_________.A．theauthor’schildrenlikeddragonslayersB．thechildrenwatchedtheirmotherallthewayC．theauthorstruggledtobeaheroD．theauthorenjoyedherselfinthesnow4、Whatmightbethebesttitleforthetext?A．Weatherinextreme.B．Hensintrouble.C．Kindnessinneed.D．Herointhesnow.23．（8分）TheBoyMadeIt!OneSunday,Nicholas,ateenager,wentskiingatSugarloafMountaininMaine.Intheearlyafternoon,whenhewasplanningtogohome,afiercesnowstormsweptintothearea.Unabletoseefar,heaccidentallyturnedoffthepath.Beforeheknewit,Nicholaswaslost,allalone!Hedidn’thavefood,water,aphone,orothersupplies.Hewasgettingcolderbytheminute.Nicholashadnoideawherehewas.Hetriednottopanic.HethoughtaboutallofthesurvivalshowshehadwatchedonTV.Itwastimetoputthetipshehadlearnedtouse.Hedecidedtostopskiing.Therewasabetterchanceofsomeonefindinghimifhestayedput.Thefirstthinghedidwastofindshelterfromthefreezingwindandsnow.Ifhedidn’t,hisbodytemperaturewouldgetverylow,whichcouldquicklykillhim.Usinghisskis,Nicholasbuiltasnowcave.Hegatheredahugemassofsnowanddugoutaholeinthemiddle.Thenhepiledbranchesontopofhimself,likeablanket,tostayaswarmashecould.Bythatevening,Nicholaswasreallyhungry.Heatesnowanddrankwaterfromanearbystreamsothathisbodywouldn’tlosetoomuchwater.Notknowinghowmuchlongerhecouldlast,Nicholasdidtheonlythinghecouldhehuddled(蜷縮)inhiscaveandslept.Thenextday,Nicholaswentouttolookforhelp,buthecouldn’tfindanyone.Hefollowedhistracksandreturnedtothesnowcave,becausewithoutshelter,hecoulddiethatnight.OnTuesday,Nicholaswentoutagaintofindhelp.Hehadwalkedforaboutamilewhenavolunteersearcherfoundhim.Aftertwodaysstuckinthesnow,Nicholaswassaved.NicholasmightnothavesurvivedthissnowstormhaditnotbeenforTV.HehadoftenwatchedGrylls’survivalshowManvs.Wild.That’swherehelearnedthetipsthatsavedhislife.Ineachepisode(一期節(jié)目)ofManvs.Wild,Gryllsisabandonedinawildareaandhastofindhiswayout.WhenGxryllsheardaboutNicholas’amazingdeeds,hewassuperimpressedthatNicholashadmadeitsinceheknewbetterthananyonehowhardNicholashadtoworktostayalive.1、WhathappenedtoNicholasoneSundayafternoon?A．Hegotlost. B．Hebrokehisskis.C．Hehurthiseyes. D．Hecaughtacold.2、HowdidNicholaskeephimselfwarm?A．Hefoundashelter. B．Helightedsomebranches.C．Hekeptonskiing. D．Hebuiltasnowcave.3、OnTuesday’Nicholas.A．returnedtohissheltersafely B．wassavedbyasearcherC．gotstuckinthesnow D．stayedwherehewas4、NicholasleftGryllsaverydeepimpressionbecausehe.A．didtherightthingsinthedangeroussituationB．watchedGrylls’TVprogramregularlyC．createdsometipsforsurvivalD．wasveryhard-working24．（8分）ThereisalottolearnaboutthecreationsofBeatrixPotter—notonlyisshetheauthorandillustratorofoneoftheworld'smostfamouschildren'sbooks,TheTaleofPeterRabbit,butalsoapioneeringconservationistwiththespiritofascientist."PottergrewupasthedaughterofawealthyVictorianfamily,butalongwithherbrotherwhofilledanentireflooroftheirlargehouseinLondonwithallsortsofanimals,"saidAnneLundin,aretiredprofessorfortheUW-MadisonSchoolofLibraryandInformationStudies."Asanadult,shewasafrustratedbotanicalillustratorandscientist.Thatfieldwasnotopentoherbecauseshewasfemale,"Lundinsaid.Potterwasurgedtotumthecharmingillustrationsandstoriesshewroteinletterstochildrenintobooks.Shewrote23booksinall—abodyofworkthathasinspiredplays,ballets,filmsandanastonishingamountofmerchandise."TheTaleofPeterRabbitisprobablythemostfamouschildren'sbookintheworld,whichwaspublishedin1902andhasreallystoodthetestoftime.It'sbeentranslatedinto36languages.Theparentsandgrandparentswillshareitwiththenextgeneration,"saidLundin.Potteralsomadeamarkontheworldthroughherlandconservation."Inmanyways,shewaslikePeterRabbit,venturingintoaworldofadventureandrisk.ShewithdrewfromLondonassoonasshestartedmakingsomemoneyonherbookstotheLakeDistrictandbecameanextremelyimportantfarmerandconservationist.Shepreservedandpassedon15farmsandover4,000acres,whichweregivenbacktothecountryasgiftsinthe20thcentury,"saidLundin.Eventhoughshewasborn150yearsago,shewasamazinglymodern—herembracingofthenaturalworld,commentedJenniferBlatchleySmith,anartisticdirectoroftheshowPeterRabbitTalestocelebratethe150thanniversaryofPotter'sbirth.1、WhathelpedBeatrixPottertowriteTheTaleofPeterRabbitsuccessfully?A．Herlifeandworkexperiences.B．Herspecialtyinanimated（動(dòng)畫）pictures.C．Hersuccessinbecomingabotanicalscientist.D．Herinterestinanimalsinchildhoodalone.2、Whatdoestheword"frustrated"inthethirdparagraphmean?A．Disappointed.B．Devoted.C．Motivated.D．Inspired.3、WhatisBeatrixPotter?A．Abotanistandartist.B．Anextremelyimportantfarmerandsuccessfulscientist.C．Awriter,conservationistandfarmer.D．Anartisticdirector.4、Whydoestheauthorwritethearticle?A．IncelebrationofPotter's150thbirthday.B．InhonourofPotter'snewcontributions.C．InpraiseofPotter'sspiritofselflessness.D．InsupportofPotter'sbookpromotions.25．（10分）Asself-drivingcarscomeclosertobeingcommononAmericanroads，muchoftherhetoric（浮夸之詞）promotingthemhastodowithsafety.About40，000peopledieonUSroadseveryyear，anddrivererrorsarelinkedtomorethan20percentofcrashes.Butmanyofthebiggestsupportersofautonomous（自動(dòng)的）vehiclesaren'tcarcompanieslookingtoimprovethesafetyoftheirexistingproducts.Hugesupportforself-drivingtechnologiesiscomingfromSiliconValleygreatcompanieslikeGoogleandApple.Thoseofuswhohavestudiedtherelationshipbetweentechnologyandsocietytendtolookmorecarefullyatthereasonsbehindanytechnologicalpush.Inthiscase，it'sclearthatinadditiontosolvingsafetyconcerns，SiliconValleyfirmshaveastrongincentive（動(dòng)機(jī)）tocreateanewplaceforincreasingtheuseoftheirdigitaldevices.Everyminutepeoplespendontheirmobilephonesprovidesdata—andoftenmoney—totechcompanies.Atpresent，digitaldevicesanddrivingareinconflict:Thereareserious，oftenfatalconsequenceswhendriversusesmartphonestotalkortotext.Regulators（管理者）andsafetysupporterslooktosolvedialconflictbybanningphoneusewhiledriving，ashashappenedinalmosteverystate.Butthetechcompaniesaretakingadifferentapproach.TheobviousanswerforSiliconValleyistocreateanautomobileinwhichcontinuouscellphoneusenolongercausesathreattoanyone.Inrecentyears,theamountoftimeadultsspendontheirmobiledeviceshasgrownrapidly.Atthemoment,it'saroundfourhoursadayfortheaverageadultintheUS.However,thatrapidgrowthislikelytoslowdownaspeoplerunoutoftimethat'savailableforthemuptousetheirdevices,unless,ofcourse,there'sanewblockoftimethatsuddenlyopensup.TheaverageAmericannowspendsabout41minutesinacareveryday,asizeableopportunityforincreasedcellphoneuse.Soasthepublicconversationaroundautonomouscarspaysattentiontothesafetyadvantages,don'tforgetthetechindustry'spowerfuldesireformoreprofits,whichgoeswellbeyondsimplysavingusfromourselves.1、WhoareresponsibleformosttrafficaccidentsinAmerica?A．Carcompanies. B．Drivers.C．Techcompanies. D．Self-drivingcars.2、WhatpushesSiliconValleytopromoteself-drivingtechnologies?A．Tomakemoremoney.B．Toreducetrafficaccidents.C．Tolimittheuseofdigitaldevices.D．Tosupportcarcompanies.3、Whatdoestheunderlinedphrase“anewblockoftime”possiblyreferto？A．Theworkingtime.B．People'ssparetime.C．Thetimespentinthecar.D．Thetimespentonmobiledevices.4、Whatcanweknowfromthepassage？A．Weshouldteachpeopletostrictlyobeytrafficrules.B．Thewritercallsonustolookatautonomouscarswisely.C．Carcompaniesaretheleadingpromotersofself-drivingcars.D．Nosolutiontotheconflictbetweenmobilephoneuseanddrivinghasbeenfoundyet.第三部分語言知識(shí)運(yùn)用（共兩節(jié)）第一節(jié)（每小題1.5分，滿分30分）閱讀下面短文，從短文后各題所給的A、B、C和D四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)．26．（30分）SteveMorriswasnotatypicalchild．Butwhenhewasnine，his1tobetypicalwasverystrong．OfallthepeopleSteveremembered，onewoman，hisprimary-schoolteacher，MrsBeneduci，2inhismind．MrsBeneduciwasawiseperson．Sherealizedthatmerewordstoakid3notcarrymuchweight．Soinstead，withthesecretaidofalittlemouse，shefounda4toshowStevehisrealtalent．OnedayMrsBeneducibeganher5withthequestion:whowasAbrahamLincoln?Amywasrequiredtoanswerit．Shesaidina6voice，“Uh．．．he，uh，hadabeard．”Thestudentsburstinto7．“Steve?”saidtheteacher．Stevestoodupand8confidently，“Hewasthe16thPresidentoftheUnitedStates．”9withSteve’sperformance，theteacherthenaddedthatAbrahamLincolnhadbeenPresidentduringtheCivilWar…Thenshestopped，10shewaslisteningtosomething．Itsoundedlikeamouse．Thelittlegirlsscreamed．Somestoodontheirchairs．MrsBeneducitriedto11thestudentsdown，andaskedStevetofindthepoorlittlecreature．Stevesatstraightupinhischairandaskedeverybodytobe12．Inthesuddenstillnessheraisedhishead，hesitatedforamoment，and13tothewastebasket．“He’srightoverthere!”saidSteve14．“Icanhearhim!”Andsohewas:afrightenedlittlemousethatwas15beneaththewastepaper，hopingtogo16．Naturegavehimaremarkablepairof17tomakeupforhisblindness．Intheheartofsmall，sightlessSteveapridewasborn，andthatprideiswithhimstill．18theincident，MrsBeneduciwouldcontinueto19histalent，andshealwaysremindedSteveofthelittlemouse．Alittlemousegaveasmallboy20．SteveMorrisisnowasingerwhoispopularallovertheworld．1、A．limit B．desire C．direction D．courage2、A．standsout B．turnsup C．getsthrough D．givesaway3、A．will B．shall C．might D．must4、A．control B．chance C．power D．choice5、A．rest B．holiday C．study D．class6、A．low B．proud C．long D．wide7、A．tears B．laughter C．cheers D．a(chǎn)pplause8、A．decided B．predicted C．a(chǎn)nswered D．required9、A．Satisfied B．Confused C．Thrilled D．Surprised10、A．evenwhen B．sothat C．justbecause D．a(chǎn)sthough11、A．calm B．lie C．keep D．settle12、A．relaxed B．a(chǎn)nxious C．quiet D．a(chǎn)ctive13、A．pointed B．walked C．fell D．rushed14、A．slowly B．proudly C．carefully D．luckily15、A．running B．escaping C．fighting D．struggling16、A．undiscovered B．unexplained C．untreated D．unhurt17、A．a(chǎn)rms B．hands C．legs D．ears18、A．Before B．In C．After D．For19、A．test B．encourage C．inspect D．feel20、A．excitement B．patience C．warmth D．confidence第二節(jié)（每小題1.5分，滿分15分）閱讀下面材料，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。27．（15分）Wi-Fiisawordwhichhasitsownlittlebrotherintheformofacomplexpasswordwhich,nomatterhowhardyoutry,youcanneverguessGenerally,it1．(stick)totheinsidewindowsofcafesandhotelsas2．extrawayofattractingcustomersEvenonpublictransportandinshopping3．(center),it’sbecomingmorecommonLastsummer,I4．(spend)fourmonthsworkinginFrance,wherethecompanyIwasworkingforputmeupinahouse5．didn’thaveWi-FiIwaslookingforwardtoitIsoondiscovered,however,that6．(live)inahousewithoutWi-FiwaseasierthanIhadexpectedbefore7．Icouldn’tenjoymyusualwebbrowsing(瀏覽)onBBCiplayer,socialmediasite,andkeepingup-to-datewiththenews,IcouldspendmoretimewithmyhousematesIreadmore,IcookedformyfriendsandIeventidiedup8．(often)IlearnedhowtolivewithoutWi-FiIfounditwaseasierthanIhadimaginedMyexperiencethissummermademe9．(reflect)onhowmuchwedouseWi-FiIt’spossiblenottobesodependent10．itTryitandsee第四部分寫作（共兩節(jié)）第一節(jié)短文改錯(cuò)（滿分10分）28．（10分）假定英語課上老師要求同桌之間交換修改作文，請(qǐng)你修改你同桌寫的以下作文。文中共有10處錯(cuò)誤，每句中最多有兩處。錯(cuò)誤涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏詞符號(hào)(∧)，并在其下面寫出該加的詞。刪除：把多余的詞用斜線(\)劃掉。修改：在錯(cuò)的詞下畫一橫線，并在該詞下面寫出修改后的詞。注意：1、每處錯(cuò)誤及其修改均僅限一詞;2、只允許修改10處，多者(從第11處起)不計(jì)分。Thankyousomuchforinvitingmetotakepartinthewintercamporganizingbyyourschoolinthecomingwinterholiday、Quiteinterested,Iamwritingtolearnaboutfartherdetails、Aboveall,Iwonderthatitisconvenientforyoutoinformmeforthespecificscheduleinadvance、Beside,thiswillbemyfirstexperiencetoparticipateinsuchaactivity、WouldyoubekindenoughtoofferwithanysuggestionsonwhoseitemsIspeciallyneedtotakewithme?Iamreallyexcitedandlookingforwardtoit、Iwouldappreciateifyoucouldgivemeareplyatyourearliestconvenient、第二節(jié)書面表達(dá)（滿分25分）29．（25分）假設(shè)你是李華，你的朋友Tony去了美國上高中，他寫信告訴你他很不習(xí)慣美國的校園生活，感到很孤獨(dú)。請(qǐng)你根據(jù)要求用英語寫一封信給他提建議：1．學(xué)好英語，多交一些朋友，從而增加和別人交流的機(jī)會(huì)；2．學(xué)會(huì)獨(dú)立學(xué)習(xí)，有困難向老師求助；3．積極參加各種活動(dòng)，使自己的生活更加豐富有趣；注意：1.詞數(shù)100左右；2．信的開頭和結(jié)尾已給出，不計(jì)入總詞數(shù)；3．可適當(dāng)增加