吉林省长春市九台市师范中2023学年高三第二次调研英语试卷（含解析）

2023学年高考英语模拟测试卷注意事项：1．答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。2．回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净后，再选涂其它答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。3．考试结束后，将本试卷和答题卡一并交回。第一部分（共20小题，每小题1.5分，满分30分）1．Whatyousaiddoesn’t________whatthepolicehavetoldus,sowehavetofindmoreevidence.A．agreewith B．makeupC．contributeto D．showoff2．Yourdonationgreatlyappreciatedandthemoneywillbeusedtohelpthestudentsfrompoorfamilies.A．hasbeenB．isC．wasD．hadbeen3．---DoyouthinkPeterisagoodpartner?---Notreally!Therearesomethingsthatarenoteasyto________,andhislazinessisone.A．putasideB．putupwithC．thinkofD．getalongwith4．—Irisisalwayskindand________tothesufferingofothers.—Nowondershechoosestobeareliefworker.A．allergicB．immuneC．relevantD．sensitive5．Computer-controlledrobotsaretakingoverjobsinmanyindustries,whichusedtobedone_______.A．artificiallyB．manuallyC．comprehensivelyD．gradually6．Asteachersweshouldn’taccepttheargumentgivenbysomepeople_______standardizedtestsrestricteducatorstoomuchandtakethejoyoutofteaching.A．where B．whatC．how D．that7．Wechatintendstoradicallychangetheway______peopleusemobilephones.A．/ B．which C．why D．who8．____________thefiercecompetitioninjobseeking,manyuniversitygraduateshavenochoicebuttoreducetheirowndemandforthesalary.A．FacedB．FacingC．TofaceD．Havingfaced9．Whilestudying,fixyourmindonwhatisreallyimportant,oryouwill_____rememberingnothing.A．endup B．takeupC．leadto D．stickto10．－WhataboutinvitingTracytohosttheparty?－Goodidea!Sheisveryquickinmind.Oh,_______,hereshecomes.A．don’tpullmyleg B．alittlebirdtoldmeC．speakofthedevil D．it’sapieceofcake11．，dear!Thingswon’tbeasbadasyouthink.Therecertainlywillbechancesforyou.A．Hurryup B．LookupC．Cheerup D．Makeup12．Catherinecamehomehappily,whichsuggestedthatshethefinalexam.A．hadpassed B．pass C．wouldpass D．shouldpass13．Doubleovensareagoodidea,especially________youarecookingseveralmealsatatime.A．though B．if C．that D．unless14．—Whatabouttheservicesinthishotel?—Theyareatleastasgoodas,ifnotsuperiorto,______inyours.A．it B．those C．that D．theone15．Shedidnotfeelabitnervousthoughitwasthefirsttimeshe___________inpublic.A．spoke B．havespokenC．hadspoken D．werespeaking16．Itisobvioustothestudents_____________theyshouldgetwellpreparedfortheirfuture.A．as B．thatC．which D．whether17．Hegetsupatsixo’clock,runsforhalfanhourandthenhasameal;thatishismorning______.A．route B．routineC．behavior D．tendency18．Itgivesusgreatdelight______Chinesesciencefictionsarebecomingincreasinglypopular.A．how B．whatC．that D．why19．—Marylookshotanddry.—So________youifyouhadahighfever.A．could B．would C．may D．must20．IhavenodoubtthatAnnawill________it,butIwonderwhethersheisreallyreadyenough.A．digB．hitC．makeD．lift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）Galaxysawamanandawomanwhocommunicatedwiththesignlanguageatthetrainstationwhenshewasonthewayhomeoneevening.Shenoticedthatthewomanaskedthemanforthedirection.Hetoldherthathedidnotknow.Galaxydecidedtohelpthem.Shehadlearnedthesignlanguagewhensheservedasavolunteerinthedeafandmute（聋哑）school.Thensheshowedthewomanthedirectionandleftheremailaddresstothemincasetheyneededherhelplater.Shereceivedanemailfromthatmanthenextday.Kazrimwashisname.Galaxyrepliedhismailsincerely，Theybothstartedchattingonlinesoonafterandbeganseeingeachother.Althoughtheyonlycommunicatedwiththesignlanguage,itneverbotheredher.Galaxywasfondofhimgradually.Obviously,Kazrimwasthesametoo.HepresentedGalaxywithabunchofsunflowersandaskedhersincerely,“Areyouwillingtobemygirlfriend?”Galaxywaspleasantlysurprised.Sherequestedhimtogivehersometimetopersuadeherparents.Asshehadexpected，herparentswereveryangryaftertheyhadlearnedoftheirlovestory.Galaxyexplained，“Kazrimisanexcellentandaveryoptimisticperson.Hehasaverypositiveattitudetowardslifeandwork.Hecaresforothersalways.Heis100％betterthanthenormal.Moreover,themuteisstillahuman.Heshouldpossessaperfectandwonderfullove.”Herparentsaskedtoseehim，then.TheveryworriedGalaxytookKazrimhomeafewdayslater.Whentheywereonthetrain，Kazrimtoldher,“I'mgoingtotellyourparentsthatI'llbelookingafteryouwellwithallmylife!”Galaxywasdeeplymoved.Assoonastheyhadenteredthehouse，Galaxyintroducedhimtoherparents.Shesaid,“ThisisKazrim.”Justrightafterherspeech，anunbelievablethinghappened.Kazrimthrewthegiftawayandheldherinhisarmstightly.Hesaid.“YOUCANTALK?”ItwasthesamequestionthatGalaxywantedtoask，too.Thefourpeoplewereshockedallofasudden.Asamatteroffact,KazrimalwaysbelievedthatGalaxywasamuteandhestillfellinlovewithherdeeply.1、HowdidGalaxyandKazrimgettoknoweachother?A．Theymeteachotherbychance.B．TheywereintroducedtoeachotherC．Theyoncestudiedatthesameuniversity.D．Theybothservedinaspecialneedsschool.2、HowdidGalaxyprobablycommunicatewithKazrimbeforeshetookhimhome?A．Writingwordsonpaper. B．Usingthesignlanguage.C．Judgingfromhisexpression. D．Speakinghernativelanguage.3、WhatdidGalaxyexpectherparentstodo?A．TohaveatalkwithKazrim. B．Toprepareforhermarriage.C．TotreatKazrimasanormalman. D．ToacceptKazrimasherboyfriend.4、Whatcanwelearnaboutthetwoyoungpeoplefromthepassage?A．Theyfellinloveatthefirstsight.B．Theycheatedeachothertowinlove.C．Theymistookeachotherforbeingmutes.D．TheyignoredtheangerofGalaxy'sparents.22．（8分）NewYorkTime—AgunmankilledeightpeopleatamallinOmahathisafternoonandthenkilledhimself,settingoffpanicamongholidayshoppers,thepolicesaid.＂Thepersonwhowebelievetobetheshooterhasdiedfromself-inflictedgunshotwounds,＂SergeantTeresaNegronoftheOmahaPoliceDepartmentsaidattelevisednews.＂Wehavebeenabletoclearthemall,＂shesaid.＂Wedon’tbelievewehaveanyothershooters.＂Thepolicesaidthatatleastfiveotherpeoplehadbeeninjuredintheshootings.Shedidnotgivetheshooter’sidentity.＂Wearestillconductingtheinvestigation,＂SergeantNegronsaid,addingthatthecity'smayor,whowasoutoftown,wasonhiswaybacktoOmaha.Shesaidthepolicereceiveda911callfromsomeoneinsidetheWestroadsMallonthewestsideofOmaha,andshotscouldbeheardinthebackground.Thefirstpoliceofficersarrivedatthemallsixminutesafterthefirstcall,shesaidbutbythentheshootingswereover.Itisreportedthatthegunmanleftasuicidenotethatwasfoundathishomebyrelatives.Alawenforcementofficialwhospokeonconditionofanonymity（匿名）saidthenoteindicatedthatthegunmanwantedto＂gooutinstyle.＂Theshootingsbroketheusuallyordinaryroutineofholidayshopping.Thegunmanwassaidbysomewitnessestohavefiredabout20shotsintoacrowd.Somecustomersandworkersranscreamingfromthemall,whileothersdivedintodressingroomstohidefromtheshooter.Shoppersandstoreworkersweretrappedinsidethemall,whichhasroughly135stores.Othersstreamedoutofmallexitswiththeirhandsraised.PresidentBushwasinOmahathismorningtodeliveraspeech,buthehadleftthecitybythetimetheshootingstookplace.1、Whatdotheunderlinedwords＂gooutinstyle＂probablymean?A．Togooutofthemallinparticularclothes.B．Towalkinthemallwithoneselffocusedon.C．Tostophislifeinanimpressiveway.D．Togotoasocialeventbyfashionablemeans.2、Whichofthefollowingistrueaccordingtothepassage?A．Nobodyknowswhytheshooterdidsoandnothingwasfoundathishome.B．Thecity’smayorwenttothesitewhentheshootingtookplace.C．Policearrivedatthemallbeforetheshootingwasoverandrescuedcustomers.D．Theofficialwhoshowedwhatthenotemeantwantedtokeephimselffrombeingknowntothepublic.3、Whichofthefollowingcanbethebesttitleofthenews?A．BushHappenedtoEscapeaShotB．ShoppersinGreatPanicbeforetheHolidayC．ShooterFoundDeadinaMallonthewestofOmahaD．GunmanKilled8People,ThenHimselfataMallinOmaha23．（8分）Americanwomenwhoworkascomputerprogrammers,chefsanddentistsearn28percentlessthanmendoingthesamejobs.Thosearethejobswiththebiggestwagedifferencesbetweenmenandwomen,accordingtoanewstudy.Overall,thestudyfoundthatwomenearn5.4percentlessthanmenfordoingthesamejob,inthesamelocationandforthesameemployer.ThewagedifferencesbetweenwomenandmenweresimilarintheUnitedKingdom,Australia,GermanyandFrance.5.4percentisabigdifferenceinpaybetweenmenandwomenbecauseitcannotbeexplainedbywomenandmentakingthesamekindsofjobs.Itcanonlybeexplainedbybias(倔见)againstwomen,orothercauses,suchaswomennotbeinggoodataskingforpay.Researchsuggeststhatwomendonotnegotiate(交涉)aswellasmenwhenitcomestopay.Andwomenaregenerallymoreuncomfortableaskingfellowemployeeshowmuchtheymake,sotheycanseeiftheyarebeingpaidfairly.Accordingtothestudy,womenearnedatleast15percentlessthanmeninthesejobcategories:psychologists,pharmacists,physicians,opticians,pilotsandgameartists.Butinthefieldsofsocialwork,sellingmerchandise,researchassistantsandphysicianadvisors,womenearnmorethanmen.Insocialwork,womenearned7.8percentmorethanmen,thereportsaid.Thatwasthejobcategorywiththebiggestadvantageforwomen.Itwasstillfarlessthanthe28percentpayadvantageformeninsomefields.Comparingsalariesforfull-timeworkers,womenearnonly79percentasmuchasmen.Overalifetime,thatmuchofadifferenceinpaycanamounttoalargeamountofmoney.Womenonlyearned57percentasmuchasmenin1975.Itisnowupt079percent.Thatisprogress,thereportsays,butnotenough.1、Whichofthefollowinghasthebiggestpaydifferencesbetweenwomenandmen?A．Apilot.B．Agameartist.C．Aresearchassistant.D．Acomputerprogrammer.2、Whydowomenearnlessthanmenwhendoingthesamejob?A．Theydon’ttrytheirbesttofightforbetterpay.B．Theycarelessabouttheirpaythanmen.C．Bossesusuallylooksdownuponwomen.D．Theydon-tworkaseffectivelyasmen.3、Howmuchincomedofull-timewomenworkerslosecomparedwithmen?A．5.4%.B．7.8%.C．21%.D．28%.4、Whatdoesthereportthinkofthewomen'spay?A．Itisgrowingratherquickly.B．Itisrisingbutnotsatisfying.C．Itisnotfairforwomenworkers.D．Itisreasonableforpresentsituation.24．（8分）TheChildrenandFamilyResearchCenter,locatedinIllinois,isanindependentresearchorganizationtopromotepublicchildwelfareresearchactivities.Thefollowingareour2018researchbriefs.TheChildEndangermentRiskAssessmentProtocol（CERAP）TamaraL.FullerCERAPisasafetyassessmentprotocol（协议）usedinchildprotectioninvestigationsandchildservicesinIllinois.Itisdesignedtoevaluatethepotentialharmtoachildandtakequickactiontoprotectchildren.Workersusetheprotocoltohelpfocustheirdecision-makingtodeterminewhetherachildissafewiththeirfamily,anddecidewhatactiontotaketoassurethechild’ssafety.10ThingstoKnowaboutChildWelfareSystemCatherine,Michael,andSteveInMarch2018,researchersMichaelandStevepartneredwithprofessorCatherinetopresentawebinar（在线研讨会）titled10ThingstoKnowaboutChildWelfareSystem,focusedonexplainingthechildwelfaresystem.Topicsincludedprocessofmakingahotlinecall,waystosupportfamilieswhohaveexperiencedchildhoodsufferings.HighlightsfromtheChildDeathReviewTeamAnnualReportSteveandTamaraThisresearchbrieffocusesonthefindingsfromthemostrecentCDRTannualreportonchilddeathsinIllinoisin2016,presentingsummaryinformationaboutchilddeathsinIllinoisbyage,mannerofdeath,andcategoryofdeath,aswellasrecommendationstopreventchilddeaths.PromotingWidespreadImprovementinPracticeTedCrossandIritThisarticlebyCFRC’spsychologist（心理学家）TedCrossandDr.Iritexploresthecontributionofpsychologytochildprotectionandsuggestsopportunitiesforpsychologytocontributemore,choosing3selectedareas.Acrosstheseareas,psychologyhascontributedbothtotheknowledgebaseandtoavailableassessmentandintervention（干预）methods.1、Whicheventaimsatdeterminingthesafetyofchildrenwithinthefamily?A．PromotingWidespreadImprovementinPracticeB．10ThingstoKnowaboutChildWelfareSystemC．TheChildEndangermentRiskAssessmentProtocolD．HighlightsfromtheChildDeathReviewTeamAnnualReport2、Whowroteareportaboutpreventionofchilddeaths?A．SteveandTamara.B．Catherine,Michael,andSteve.C．TamaraL.Fuller.D．TedCrossandIrit.3、Whichofthefollowingdealswithchildprotectioninapsychologicalway?A．HighlightsfromtheChildDeathReviewTeamAnnualReportB．10ThingstoKnowaboutChildWelfareSystemC．TheChildEndangermentRiskAssessmentProtocolD．PromotingWidespreadImprovementinPractice25．（10分）TheIslandRuleisoneofthebestexplanationsscientistscouldgivetotheobservablephenomenonthatanimalsandhumanshaveevolved(演变)dependingontheresourcesavailableintheirhabitat(栖息地).Throughtime,scientistshavenoticedthroughfossil(化石)recordsthatsomelargeanimalsfrommainlandhabitatshavedwarf(矮小的)versionsinblandhabitats.AreportfromBBCdescribedtheexistenceofwhatscientistscall“hobbitisland”offasmallislandsomewhereinIndonesia.Itwasgivensuchanamebecausefossilrecordsoftiny,humanlikecreatureshavebeenfoundintheregion.Whattheycalledas“hobbits”or“HomoFloresiensis”,areonlyastallasonemeterandarcsmallversionsofearlyhumanspecieswithtinierbrains.Thoughscientistscannotperfectlytracetheoriginofthe“HomoFloriensis”,theybelievethattheyarchumanrelatives,butitisthe“islandlife”thathascausedthemtoevolveastheyhave.Scientistshavenoticedthroughfossilrecordsandexistingorganisms(有机体)todaythatitseemsiflargeanimalsgrowsmallinislandswhilesmallanimalsgrowlargeinlargerislands.Intheory,animalandhumanbodieshaveadjustedtotheavailablefoodandfreshwaterintheirhabitats.Sincethereisnoopportunityforthemtoleavetheirisland,theymightaswelladapt.NewYorkMagazineexplainedthatislandsusuallyhavefewerpredators(捕食者)thanmainlandecosystems.However,itisthelackofresourcesthatcausethedeathofmanyanimals.Asameansofnaturaladaptation,thebodiesoftheseanimalshaveevolvedsmallerthantheirancestors,makingtheirbodiesrequirefewerresources.AreportfromWebEcoistlisteddownafewexamplesofanimalsthathaveshrunksignificantlycomparedwiththeirancestors.SomeoftheseincludetheBalitigerassmallasleopards(豹).1、Howdidthename“hobbitisland”comefrom?A．Scientistsdiscovereddwarfpeoplelivingontheisland.B．Onemetertallhumanbeingmadealivingontheseislands.C．Scientistsfoundhumanspecieswithtinierbrainsonanisland.D．Evidencesshowingtiny,human-likecreaturesontheislandwerefound.2、Whatdoyouknowabout“HomoFloricnsis”?A．TheyusedtoonlylivesomewhereinIndonesia.B．Theyweretheearliestancestorofhumanbeings.C．Theylooksmallcomparedwithnormalhumans.D．Theygraduallygrewlargeronthelargerislands.3、AccordingtoNewYorkMagazine,.A．animalsonislandlackenoughfoodtoliveonB．manyanimalsdiedofffornoapparentreasonC．toomanypredatorswilldodamagetotheecosystemD．predatorsmakeislandanimalsturnsmaller4、Whatcanbeinferredfromthetext?A．Morepredatorscanhelpanimalsgrowstrongerandlarger.B．Balitigerturnssmallbecauseofadaptationtotheenvironment.C．Morefoodresourcesshouldbeprovidedloislands.D．Animalsonmainlandarcfiercerthanthoseonislands.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）Istoodonmygrandmother'sfrontporchwithmyson.Hehadabottleofbubbles.Youknowthe1:it’sbasicallysoapywaterwithaplasticlooponeachend.Youdiptheloopinthebottle,pullitout,andblowittomakebubbles.Mysonunderstoodtheprinciplebutwas2tryingtoblowbubbles.He3dipanddipandblowandblow,butalas,nobubbles.He4methebottleandloopandaskedme,“Daddy,canyoumakebubbles?”Ihadn’tblownbubblesinyears.Iama5byeducation,fairlywell-trainedinsurfactant(活性剂)technology.Ihave6severalshampoos,soIunderstandsurfacetensionandrelatedfoaming(发泡沫)characteristicsofsurfactants.Allthatknowledgeis7uselesswhentryingtoblowbubblesfromaloop8withsoapywater.Iwashavingno9successthanmyson.Idippedandpuffed,stillnobubbles;thesoapyfilmontheloopwouldjustpopwithout10anybubbles.Afterseveralfruitless11,1changedstrategies.12puffingontheloopofsoapywater,Igently13onit.Mysonscreamedwithdelightasabigbeautifulbubbleformedand14away.Hegrabbedtheloop,dippedandblew.Nobubbles.I15tohim,“Son,youcan’tblowhard.Youmusteversogentlybreatheonthelooptomakebubbles.”Hecontainedhisurgent16tomakebigbubblesbyblowinghardand17myadvice.Bigbubbles.Therearesomethingsthatyoucangetwith18force,butotherthingslikeloveorrespectonly19thegentlenessofasoftbreath.The20somethingistohigherspirit,themoreitislikebubbles;itcan'tbeforced.Blowbeautifulbubbles;breatheeasy.1、A．type B．color C．size D．liquid2、A．excitedly B．willingly C．quickly D．vainly3、A．could. B．would C．might D．should4、A．handed B．lent C．sent D．brought5、A．teacher B．doctor C．chemist D．physicist6、A．bought B．designed C．developed D．used7、A．nearly B．hardly C．partly D．completely8、A．filled B．loaded C．dotted D．crowded9、A．less B．much C．more D．little10、A．flying B．forming C．keeping D．taking11、A．attempts B．performances C．experiments D．adventures12、A．Inadditionto B．Otherthan C．Insteadof D．Inspiteof13、A．touched B．breathed C．felt D．tapped14、A．rushed B．jumped C．dropped D．floated15、A．explained B．whispered C．complained D．shouted16、A．anger B．desire C．manners D．dream17、A．heard B．followed C．shared D．refused18、A．mild B．weak C．powerful D．flexible19、A．resultin B．cometo C．consistof D．arisefrom20、A．dearer B．farther C．smaller D．closer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）Fiveyearsago，Iwassenttoabettermiddleschool.1．me,everythingtherewasnewandstrange.AfterIhadbeentherefortwomonths,therewasanimportanttestinthemiddleoftheterm.Inthattest,Ididn’tgetagoodgrade,butmostofmyclassmatesgot2．A．Itmademeupsetforalongtime.Ithoughtmyclassmateswereallbetterthanme.DuringthosedaysIwasvery3．(happiness).Oneday,myaunt,after4．(talk)withmyteachers,talkedtome.ShetoldmetothinkaboutwhatIhaddoneinthepastandwhatIshoulddointhefuture.IdidsoandIfoundIhaddonenothingtoimprovemygrades.IthoughtIshouldworkharder.Afterthat,Ipaidmoreattentiontotheteachersinclass,and5．(ask)myteachersormyclassmateswhenIdidn’tunderstandsomething.Istudiedlateatnightwhenmeetingwithdifficultproblems.Mostofall,Icame6．(understand)theimportanceoftaking7．(note)inclass.Asaresult,Ididbetterinsometests.Aboutthreemonths8．(late),themostimportanttestcameattheendoftheterm.Thistime,Istoodoutnotonlyinmyclass9．alsointhegrade.Eversince,I10．(try)todomybestwhenIdosomethingbecauseIknowifIwantsomething,Ishouldworkhardforit.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:

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不计分。DearMsSmith,IamLiHua.Iamwritingtoaskaseveral-hourleave.IwastogiveaspeechtowelcomeagroupofAmericanvisitingteachersonWednesdaymorning.IamterriblesorrytotellyouthatIcan’tcometoattendatyourclass.Howapity!PerspectivesonAmericanLiteraturearealwaysmyfavouritecourse.Idohopeyoucanexcusemyabsence.Astothelessonstobemissing,IwonderifitispossibleforthemtoberecordedsothatIcanlistentoitlater.OrIwilljustreadmyclassmate’snotesandmakingthemupassoonaspossible.Yourpermitwillbeappreciated.Thanksalot!Yours,LiHua第二节书面表达（满分25分）29．（25分）假如你是李华，你的英国笔友Henry最近来信，询问你的兴趣爱好。请你根据以下要点用英语回封信，介绍你的情况，并给出理由。1.读书；2.集邮；3.踢足球；4.看电视。注意：1.词数100左右；2.信的开头和结尾已为你写好，但不计入总词数；3.可适当增加细节，以使行文连贯。DearHenry,I'mgladtoreceiveyourletter.___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Bestwishes!Yours,LiHua

2023学年模拟测试卷参考答案（含详细解析）第一部分（共20小题，每小题1.5分，满分30分）1、A2、B3、B4、D5、B6、D7、A8、B9、A10、C11、C12、A13、B14、B15、C16、B17、B18、C19、B20、C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、A2、B3、D4、C22、1、C2、D3、D23、Anewstudysuggeststhatwashingdishesbyhandishealthierthanusingadishwasher.Nobodylikesdoingthedishes,butitturnsoutthatdoingthistaskmightpayoffinanunexpectedway.AccordingtoanewstudypublishedintheJournalofPediatrics,washingdishesbyhandinsteadofusingadishwashermightpreventthedevelopmentofallergies(过敏).ResearchersinSwedensurveyedtheparentsof1,029childrenaged7and8.Theydiscoveredthatchildrenwhosefamilieshand-washedthedishesinsteadofusingamachinewerelesslikelytohaveallergies.Earlierresearchhasshownthatdisheswashedbymachinearecleanerthanthosewashedbyhand.Sowhywouldkidswhoeatoffofslightlydirtierplatesbebetteroffwhenitcomestopreventingallergies?Oneexplanationisbasedonatheoryknownasthe“hygienehypothesis”,whichsaysthereasonkidsdevelopallergiesisthattheirsurroundingsareactuallytooclean.Yourimmunesystemkeepsyouhealthybyfightinggerms(细菌)l