2023学年上海市宝山区高境一中高三3月份第一次模拟考试英语试卷（含答案解析）

2023高考英语模拟试卷考生须知：1．全卷分选择题和非选择题两部分，全部在答题纸上作答。选择题必须用2B铅笔填涂；非选择题的答案必须用黑色字迹的钢笔或答字笔写在“答题纸”相应位置上。2．请用黑色字迹的钢笔或答字笔在“答题纸”上先填写姓名和准考证号。3．保持卡面清洁，不要折叠，不要弄破、弄皱，在草稿纸、试题卷上答题无效。第一部分（共20小题，每小题1.5分，满分30分）1．Hemessedtheprojectup,buthebehavedasifnothing______.A．hadhappened B．happenedC．wouldhappen D．wouldhavehappened2．I'msorryyou______solong,butit'llstillbesometimebeforeJimgetsback．A．wait B．waited C．hadwaited D．havebeenwaiting3．--Mum,Idon’tthinkIamqualifiedenoughtodothis.--Honey,beconfident!Youshouldknowitis____amanthinksofhimself___reallydetermineshisfate.A．that;thatB．how;thatC．what;thatD．how;that4．I_________tohelpyoutodohomeworkbutIcouldn'tspareanytime.I________acompositionlastnightandI'llfinishittomorrow.A．wanted；wrote B．hadwanted；waswritingC．hadwanted；wrote D．wanted；havebeenwriting5．—Didyourfatherenjoyseeinghisoldfriendsyesterday?—Yes,hedid.Theyeachotherforages.A．didn’tseeB．wouldn’tseeC．haven’tseenD．hadn’tseen6．Bobmadeapromisetothemanager________theworkwouldallbefinishedontime.A．that B．whatC．which D．whether7．Aftertalkingwithherteacherforaboutanhour,shefeltrelievedandbegantoknowhowtothiskindofsituation.A．handleB．raiseC．exploreD．strengthen8．______forthefireatNotreDamedeParis,achurchfamousforitslargecollectionofarttreasures,Iwouldbethereforavisitthissummervacation.A．Haditnotbeen B．ShoulditnotbeC．Wereitnotbe D．Ifhaditnotbeen9．IntheUS,therearecurrentlyover5,000communityschools_____,inadditiontoservingaseducationalinstitutions,functionascommunitycentersforthesurroundingneighborhood.A．which B．whereC．whose D．as10．IliketheseEnglishsongsandthey________manytimesontheradio.A．taught B．havetaughtC．aretaught D．havebeentaught11．Theexpertpointsoutthephenomenonthatcreamgoesbadfasterthanbutter______itsstructureratherthanitschemicalcomposition.A．livesupto B．getsdowntoC．comesdownto D．standsupto12．—Idon’tcareforbaseball.—Howcanyousayyoudon’tlikesomethingyou’venevereventriedit!A．till B．after C．unless D．when13．Thewholenationisstrugglingtoworkoutaninexpensive______effectivesolutiontosmog.A．yet B．still C．or D．though14．Everygreataccomplishmentrestsontheofwhatcamebeforeit;whenyoutraceitback,you’llseeonesmallstepthatstarteditall.A．reputationB．expectationC．recreationD．foundation15．-HowcanIgetintouchwiththetravelagency,Robin?-JustsurftheInternetandthencallone________thetelephonenumberisprovided.A．withwhich B．inwhich C．ofwhich D．bywhich16．—What’swrongwithyou?—Oh,Iamsick.I________somuchicecreamjustnow.A．shouldn’teat B．mustn’teatC．couldn’thaveeaten D．shouldn’thaveeaten17．Marynearlymissedtheflightdoingtoomuchshopping.A．inneedof B．ontopofC．infrontof D．asaresultof18．—Whynotbuyasecond-handcarfirstifyoudon’thaveenoughmoneyforanewone?—That’sagood________.A．saying B．questionC．account D．suggestion19．Nowadays,theInternetisapopular________forthepublictoaccessinformationandvoicetheiropinions.A．track B．trendC．channel D．lane20．Modestyisakindofgoodquality,whichis______ittakestobeyourpersonalbest.A．what B．where C．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）Ithoughtweallknewwhyindependentschoolstudentsdobetterthanthoseinthestatesector(公立学校).Theyhavemoremoney,morefundingandbetterresourcesandtheydon’thavethemorechallengingstudentswegetinthestatesector.ThatwasbeforeIbecameateacher-researcherinatwo-yearprojectledbymycollege,aimingtofindthebestwaytosupporthigh-abilitystudents.WithfundingfromtheLondonSchoolsExcellenceFund,weteamedupwithsomeofthecountry’stopprivateschools,likeEtonandStPaul’s,aswellasanumberofstateschools,tofindouthowtobringtheknowledge-richlearningthatcharacterizesindependentschoolsintothestatesector.Beforetheproject,Ihadn’thadmuchcontactwithpeoplewhohadbeeneducatedthere.ButthefirstthingIfoundwhenIvisitedwasthatteachersarethesame.Intheindependentsector,theyhavechallengestoo—justdifferentones.Aftertwoyears,ourresearchprojecthasproducedahugesetoffindings.Oneofthemostusefulfindingswastheimportanceofindependentlearninghabitsoutsidetheclassroom.IrealizedthatalthoughIwasalwaystellingstudentsthattheyneededtodofourtofivehoursofprivatestudyaweek,theydidn’thaveaclearideaofwhatthiscouldlooklikebeyondmakingnotes.SoIsetthemdifferentactivitiesincludingreadingarticles,doingactivitiesandcompletingexaminationquestions.Istartedtoputmuchmoreemphasisonactivitiesoutsidetheclassroom,likeresearchingtopicsbeyondthesyllabus(教学大纲)ordiscussingthingsinthenews.AndIpraisedanyonewhoaskedquestionsinclass,sowecreatedaculturewherestudentswereproudtoaskaquestionratherthanseeingitasawayofflaggingupthefactthattheyhadn’tunderstoodsomething.Myresearchisbeginningtohavearealinfluence.Mystudentsnowcometoclassandtellmewhattheywanttoknowabout.Buttheynolongerexpectmetodotheresearch—theywanttofindoutforthemselves.AttheendoftheyearIgavestudentsaquestionnaireonindependentlearning.Onewrote,“IndependentlearningwouldlimitthehelpIgotfromotherstudents.Ithelpsyoutothinkforyourself.”1、Whatdidtheauthorsayaboutindependentschoolstudentsbeforeherresearch?A．Theyweretroublemakers.B．Theyenjoyedexcellentlearningconditions.C．Theyperformedworsethanstateschoolstudents.D．Theyfacedthesamechallengesasstateschoolstudents.2、Whydidtheauthorjointheproject?A．Tointroducegoodlearningmethodstostateschools.B．Toexchangeteachingideaswithotherteachers.C．Topartnerwithotherschoolsineducation.D．Tofindenoughfundsforstateschools.3、Whatchangesdidtheauthormakeinherclasses?A．Shefocusedongrouplearning. B．Sheworkedoutadifferentsyllabus.C．Sheencouragedindependentlearning. D．Shecarriedoutvariousactivitiesinclass.4、Howistheauthor’sresearchgoing?A．Ithasmadeabigdifference. B．Ithasfailedtomakeprogress.C．Itisquestionedbyherstudents. D．Itinvolvesmanymorestudents.22．（8分）AsmillionsofAmericanscrowdintothegymarmedwithNewYear’sresolutionstogetinshape,medicalexpertsareofferinganadditionalreasonforexercise:Regularworkoutsmayhelpfightoffcoldsandflu,reducetheriskofcertaincancersandchronicdiseasesandslowtheprocessofaging.Physicalactivitieshavelongbeenknowntohelpmaintainahealthyweightandreducestress.Now,agrowingbodyofresearchisshowingthatregularexercise—assimpleasabrisk30-to-45-minutewalkfivetimesaweek—canboostthebody’simmunesystem,increasingthecirculationofnaturalkillercellsthatfightoffvirusesandbacteria.Andexercisehasbeenshowntoimprovethebody’sresponsetotheinfluenzavaccine(疫苗),makingitmoreeffectiveatkeepingthevirusatbay.Medicalexpertswarninactivityposesasgreatahealthriskassmoking,resultinginheartdisease,cancer,depression,anddiabetes.TheCentersforDiseaseControlandPreventionsaysquiteafewU.S.adultsdonotengageinanyleisure-timephysicalactivity.Evenslimpeoplewhoareinactiveareathighriskofdeathanddisease.Sowhilereducingobesityisanimportantgoal,“thebettermessagewouldbetogeteveryonetowalk30minutesaday”saysRobertSallis,co-directorofsportsmedicineatFontanaMedicalCenter.“Wefinditnecessarytorefocusthenationalmessageonphysicalactivity,whichcanhaveabiggereffectonhealththanlosingweight.”Regularexercisehasbeenshowntopreventtheongoingdamagedonetocells,tissuesandorgansthatunderliesmanychronicconditions.Buildingonthatearlierresearch,scientificstudiesarenowsuggestingthatexercise-inducedchangesinthebody’simmunesystemmayprotectagainstsomeformsofcancer.Researchersarealsoinvestigatingwhetherexercisecaninfluenceaginginthebody.Inparticular,theyarelookingatwhetherexerciselengthenstelomeres,thestrandsofDNAatthetipsofchromosomes.Whentelomeresgettooshort,cellscannolongerdivideandtheybecomeinactive,aprocessassociatedwithaging,cancerandahigherriskofdeath.Astudy,publishedinCirculation,themedicaljournaloftheAmericanHeartAssociation,concludedthatphysicalactivityhasananti-agingeffectatthecellularlevel,suggestingexercisecouldpreventagingofthecardiovascular(心脑血管)system.Theguidelines,developedbytheDepartmentofHealthandHumanServices,recommendthatadultsgetatleasttwohoursand30minutesweeklyofmoderate-intensityaerobic(有氧的)physicalactivity,oronehourand15minutesaweekofvigorous-intensityaerobicexercise,oranequivalentcombinationofboth.Theguidelinesalsosaythatadditionalhealthbenefitscanbeobtainedfromasmuchasdoublingtheminimumrecommendationforaerobicexercise.1、WhatisthemainpurposeofmanyAmericanswhotakeexercise?A．Tohaveagoodfigure.B．Tomakethemstrong-minded.C．Tocuresomecommondiseases.D．Topreventthemselvesgettingold.2、Itcanbeinferredfromthepassagethat__________.A．naturalkillercellsstrengthenthebody’simmunesystemB．regularexercisecanremovethevirusesandbacteriaC．obesityhasbecomeasocialprobleminAmericaD．Americanpeopleneedtoattachmoreimportancetophysicalexercise3、Howcanphysicalactivitystopaging?A．Bypreventingcelldivision.B．Bygettingridofagingcells.C．Bymakingtelomereslonger.D．Byrepairingthedamagedorgans.4、Whatmightbethebesttitleforthepassage?A．NewStudiesaboutPhysicalExerciseB．TheHiddenBenefitsofExerciseC．HowtoFreeOurselvesfromDiseases?D．LoseWeightorKeepHealthy?23．（8分）Scientiststhinktheyhaveansweredamystery:Howsomeoceancreaturesgotsohugesoquickly.Afewmillionyearsago,thelargestwhales,averagedabout15feetlong.Thenseeminglyovernight,onetypeofwhale,thetoothlessbaleenwhale（须鲸类）becamehuge.Modernbluewhalesgetasbigas100feet.NicholasPyensonoftheSmithsonianNaturalHistoryMuseumsaid,“Whyisthat?””Ithappenedintheglanceofanevolutionaryeye,whichmakesithardertofigureoutwhathappened,”saidGrahamSlater,leadauthorofthestudy.Theirstudyhassuggestedananswer:Iceagesinthelast3to5millionyearsstartedit,changingtheoceansandfoodsupplyforwhales.Theresearchersusedfossilrecordsofthesmallerwhalestocreateafamilytreeforbaleenwhaleswhichincludebluewhales,humpbacksandrightwhales.Usingcomputersimulations（模拟）andknowledgeabouthowevolutionworks,theyconcludedthatwhenthesizechangesstarted,thepolesgotcolder,iceexpandedandthewatercirculationintheoceanschangedandwindsshifted,SlaterandPyensonsaidcoldwaterwentdeepandmovedclosertotheequator(赤道）andtheneventuallymovedbackupwithsmallfishandothersmallanimalsthatwhaleseat.Baleenwhale,whichhavenoteeth,feedbyeatinghugeamountsoffishtheycapture.Toothedwhales,likespermwhales(抹香鲸),huntindividualfish,sotheoceanchantsthatmadefoodlessevenlyspreadoutdidn’taffectthemasmuch.Butbaleenwhaleshuntschoolsoffish.OlivierLambertattheRoyalBelgianInstituteofNaturalSciencescallsit“areallyconvincingsituation”.Buthesaidthelackoffossilsincertaintimeperiodsisanissue.Asoceanswarmfromman-madeclimatechange,theseaswillbemorelikeitwaswhenthewhalessmallerandtheywillhaveamoredifficulttimesurviving.1、Whatdoestheauthormeanby“Ithappenedintheglanceofanevolutionaryeye”inthesecondparagraph?A．Thechangeofbaleenwhaleshappenedtooquickly.B．Thechangeofbaleenwhaleswastoodifficulttoexplore.C．Researcherspaidlittleattentiontothechangeofbaleenwhales.D．Researchersthoughtthechangeofbaleenwhaleswasunimportant.2、Whatplayedthekeyroleinbaleenwhales’becominghuge?A．Man-madeclimatechange.B．Itseatingahugeamountoffish.C．Thewatercirculationintheoceans.D．Theincreaseoffoodsupplyforwhales.3、Whatdoweknowaboutspermwhalesandbluewhalesaccordingtothetext?A．Spermwhaleseatmorefood.B．Bluewhalerlivemuchlonger.C．Spermwhalesprefertohuntschoolsoffish.D．Bluewhalesusuallyswallowschoolsoffish.4、Whatcanweinferfromthelastparagraph?A．Therearenowhalefossilsnow.B．Thewhalesmaybecomeevenbigger.C．Globalwarminghasthreatenedthewhales.D．OlivierLamberthinksthestudyisperfect.24．（8分）HongKongMuseumofArtEstablishedin1962,thepurposeofHongKongMuseumofArtistopreservetheculturalheritageofChinawithalocalfocus.HongKongMuseumofArtfeaturesmorethan15000differentobjectsofancientChineseartfromHantoQingDynasty.StandardticketHK$10;Students,Seniors,DisabledHK$5;FreeadmissiononWednesday!OpeningHours:10:00am-6:00pm(Mon,Tues,Wed,Fri,Sun);10:00am-8:00pm(Sat);ClosedonThursday(exceptPublicHolidays)Phone:+(852)27210116HongKongSpaceMuseumItisoneofthelargestplanetariumsintheworld.Openedin1980,themuseumsuniqueegg-shapeddomestructureaddedanotherfamousarchitecturalhighlighttoHongKong.StandardticketHK$10;Students,Seniors,DisabledHK$5;FreeadmissiononWednesdayOpeningHours:1:00pm-9:00pm(Mon,Wed,Thur,Fri);10:00am-9:00pm(Sat,SunandPublicHolidays);ClosedonTuesday(exceptPublicHolidays)Phone:+(852)27210226HongKongScienceMuseumItopenedin1991andcoversawiderangeofscienceandtechnologyandincontrasttotraditionalmuseums,theHongKongScienceMuseumencouragesitsvisitorstoactivelyparticipate,exploreandexperiencetheexhibitions.Especiallyforkidsthisisagreatlearningandfunopportunity.StandardticketHK$25;Students,Seniors,DisabledHK$12.5;FreeadmissiononWednesday!OpeningHours:1:00pm-9:00pm(Mon,Tues,Wed,Fri);10:00am-9:00pm(Sat,SunandPublicHolidays);ClosedonThursday(exceptPublicHolidays)Phone:+(852)27323232HongKongMuseumofHistoryEstablishedin1975,itisnotonlyahighlightforhistorylovers,butalsoforthearchitecturalenthusiasts.On17500squaremeters,themuseumpreservesanddisplays6000yearsofHongKonghistory.StandardticketHK$10;Students,Seniors,DisabledHK$5;FreeadmissiononWednesday!OpeningHours:10:00am-6:00pm(Mon,Wed–Sat);10:00am-07:00pm(SunandPublicHolidays);ClosedonTuesday(exceptPublicHolidays)Phone:+(852)27249042（307词）1、HowmuchdoesitcostsforacoupletovisitHongKongSpaceMuseumonFriday?A．HK$10B．HK$5C．HK$15D．HK$202、HowisHongKongScienceMuseumdifferentfromtheothers?A．Ithasuniqueegg-shapeddomestructure.B．Visitorscantakepartintheexhibitionsactively.C．IthelpstopreservethehistoryofHongKong.D．PeoplecanlearnthehistoryofHongKong.3、WhatdotheMuseumsmentionedinthetexthaveincommon?A．Theiropeningtimearethesame.B．Theyallopenfreelyonpublicholidays.C．Theirfreeadmissiondaysarethesame.D．Theyareallintendedforhistorylovers.25．（10分）PatientsintheearlystagesofAlzheimer’sdiseaseoftenstruggletorememberrecentlylearnedinformation,meaningtheyforgetthingslikeimportantappointmentsorwheretheylefttheirkeys.Butitseemsthatthesememoriesarenotlost.Theyarestillfiledawayinthebrainsomewhere;theyjustcan’tbeeasilyaccessed.Now,researchersatMIThavedevelopedameansofgettingbackmemoriesinmicesufferingfromAlzheimer’s.Themethodreliesonatechniquethatuseslighttocontrolgeneticallymodifiedneurons(转基因神经元).Currentlyitistooearlytobeusedinhumantrialsasitinvolvesinsertinglightemitting(发光)equipmentintothesubjects’brains,butthesameprinciplesstillapply,theresearcherssaid.“Theimportantpointisthatthisisevidenceofconcept.Thatis,evenifamemoryseemstobegone,itisstillthere.It’samatterofhowtogetitback,”saidseniorresearcherSusumuTonegawa.Theteamtooktwogroupsofmice,onegeneticallyengineeredtodevelopAlzheimer’sandonehealthy.Theythenplacedthemintoaroomandgavethemamildelectricshock.Allofthemiceshowedfearwhenputbackinanhourlater.Whenplacedintheroomathirdtimeseveraldayslater,theAlzheimer’smiceactednormally.Theyhadforgottentheshock.Theresearcherswerethenabletobringbackthememoryoftheshockbyactivating(激活)thecellsinwhichthememorieswerestored.Evenwhenthemicewereputintoanunfamiliarroom,theyshowedfearwhenthecellsassociatedwiththeshockwereactivated.“Short-termmemoryseemstobenormal,ontheorderofhours.Butforlong-termmemory,theseearly-Alzheimer’smiceseemtobedamaged,”saidleadresearcherDheerajRoy.“Directlyactivatingthecellsthatwebelieveareholdingthememoryhelpsthemgetitback.Thissuggeststhatitisindeedanaccessproblemtotheinformation,notthatthey’reunabletolearnorstorethismemory.”1、WhatcanwelearnabouttheresearchersatMIT?A．Theyarethepioneersofbrainresearch.B．Theyhaveusedthemethodinhumantrials.C．TheycancureAlzheimer’susingthenewmethod.D．TheycangetbackmemoriesinmicewithAlzheimer’s.2、WhydidtheAlzheimer’smicebehavenormallyathirdtime?A．Theyfailedtoremembertheelectricshock.B．Theywereaccustomedtothesituation.C．Theymanagedtoovercomethefear.D．Theyactivatedtheassociation.3、Forlong-termmemory,theearlyAlzheimer’smice_______.A．canactivatetheirbloodcellsB．can’tlearnnewtrickswellC．caneasilygetbacktheirmemoryD．can’taccesstheinformationstored4、Themainpurposeofthetextisto_______.A．introduceamethodofaresearchB．reportthelatestdiscoveryaboutadiseaseC．giveadviceonhowtoimprovememoryD．explainhowourbrainstoresinformation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）WintersarealwayslongandcoldinNorthChina.Thewinterof2008wasespeciallytoughinonesouthwesterncity,1itbecameextremelycoldanditwasalsoadifficulttimeforme.Whatwasworse,a(n)2injuryhappenedtomeanditmightkeepmeinbedforseveralmonths,"JustintimefortheSpringFestival,"mymothersaidtome,sighing.ButhowcouldIfeelthe3whenthesnowwassoheavyandIhadmonthsofpainfulphysical4ahead?OnedayIwasdoingmyhousework5therewasatapagainstthewindowfromabranchofthetroublesomefruittree.Onhearingthis,withmyeyesclosed,slowly,Ibegantorecallthefallof1995whensomebodyplacedapipefrommypumpnexttothe6.Theearthwassowetthatit7immediatelywithmostofitsbarerootsupward.Seeingthis,mymother8topullitout,butIrefused."Howhardit'strying!"Isaid,9thedirectionofitsstrongholdingoftheearth."Itis10ofachancetosurvive."Withtools,we11drysoilaroundthetreeandputupsomesupportsintotheground,makingit12upright.SeveralmonthshadpassedbeforeIcouldbe13ofit.Surprisingly,whenspringreturned,my"rescue14"hadgrownsomeleavesandmany15.In2009thatlittlerescuestickhadgrownintoatoweringtree.Whatanunbelievablemiracleoflife!ThedaybeforetheSpringFestival,the16atthewindowwascontinuing,themorefiercewind,the17sound,asiftoremindmetolookupandappreciateitspowerfullifeThatnightIsleptpeacefullyhavinga(n)18.Inthedreamsomeflowerswerecomingout19.ThenextmorningIstoodagainstthewindow.20thewindowwasthetreeburstingwithlife.Anyway,IhadawonderfulSpringFestivalthatyear.1、A．thatB．whichC．whenD．where2、A．admirableB．slightC．terribleD．favorable3、A．joyB．dutyC．coldD．failure4、A．exerciseB．reportC．treatmentD．experiment5、A．whileB．whenC．asD．that6、A．windowB．wallC．branchD．tree7、A．felldownB．cameoutC．gotoutD．stoodup8、A．failedB．pretendedC．decidedD．continued9、A．attachingtoB．pointingtoC．lookingintoD．watchingover10、A．confidentB．proudC．certainD．worthy11、A．placedB．turnedC．neededD．threw12、A．bendB．standC．dropD．swing13、A．worthyB．tiredC．awareD．proud14、A．stickB．toolC．pipeD．pump15、A．rootsB．flowersC．nutsD．stems16、A．attackingB．strikingC．tappingD．hitting17、A．moreB．mostC．bestD．better18、A．dreamB．walkC．restD．idea19、A．politelyB．wildlyC．passivelyD．shyly20、A．OnB．BesidesC．InsideD．Outside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）假定你叫李华，你在国外某城市旅游期间发现有些旅游景点存在一些问题。请你针对这些问题，给当地旅游管理部门的负责人写一封建议信。内容包括：1.你发现的问题；2.你的建议。注意：1.词数150左右；2.可适当增加细节，以使行文连贯。____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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：在错的词下画一横线，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。LastSundayafternoon,Iwentshoppingwithmynephew、Heisa8­year­oldboywithbigeyesandblackhair、Becausehisparentswasverybusy,theyhadnotimetotakecarehim、Therefore,theyaskedmetolookafterherovertheweekend、Weboughtsomevegetableandfruitinthesupermarket、Ialsoboughthimatoy,thathelovedverymuch、Onourwaybackhome,heofferstohelpmewiththebags、Seeingthislovelyandhappyboy,andIcouldn'thelpthinkofmychildhood、Howunforgettablyatimeitwas!第二节书面表达（满分25分）29．（25分）假设你是红星中学高一学生李华。请你给你的美国网友Jim写一封信，把你的寒假安排告诉他，并询问他的寒假安排。内容包括：注意：1.词数不少于50；2.可适当增加细节，以使行文连贯;3.