2025届广西柳州市铁一中学高三（最后冲刺）英语试卷含解析

2025届广西柳州市铁一中学高三（最后冲刺）英语试卷注意事项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．Therealreasonwhyprices____,andstillare,toohighiscomplex,andnoshortdiscussioncansatisfactorilyexplainthisproblem.A．were B．willbeC．havebeen D．hadbeen2．PleasewearyourbestclothesonMonday,asyourclassphotos______then.A．willtakeB．willbetakenC．havetakenD．havebeentaken3．—Whyareyousolate?—Thedrivercouldn’tseeclearlybecauseofthefog．____,theroadwastooicy．A．Therefore B．Otherwise C．However D．Besides4．Whenallissaidanddone,theredoesn’tseemtobe________amysterytoexplain.A．kindof B．closetoC．farfrom D．muchof5．WethesunshineinSanyanowifitwerenotforthedelayofourflight.A．wereenjoying B．wouldhaveenjoyedC．wouldbeenjoying D．willenjoy6．—Hi,Mary.I’mcoming,butit’ssnowingandtrafficismovingslowly.—________,Jack.We’llwaitforyou.Thenwecanhavedinnertogether.A．Takeyourtime B．Don’tbeseriousC．Whataday D．Youarekidding7．---Hello,Tom.ThisisMaryspeaking.---Whatacoincidence!I_________aboutyou.A．justthought B．wasjustthinkingC．havejustthought D．wouldjustthink8．_____gaspricesarerising,peoplearelookingforlessexpensivewaystogetaround.A．NowthatB．EvenifC．AlthoughD．Unless9．Hearingthenoiseoutside,Grannyaskedme

.A．whatishappening B．whatwashappeningC．whatitwashappening D．whatwasithappening10．—Sorry,Mum!Ifailedthejobinterviewagain.—Oh,it'stoobad.You________havemadefullpreparations.A．must B．can C．would D．should11．Atschool,itisessentialthateverychild______equallyregardlessoffamilybackground.A．treatingB．treatedC．betreated D．istreated12．RecentlysomehospitalsinChinahaveadopted______theycallarobot-doctor,______willbeusedtooperateonpatientswithmoreaccuracy.A．what;thatB．that;whichC．what;whichD．which;what13．Andycangotothecinematogetherwithushehasfinishedthetask．A．unless B．assoonas C．until D．aslongas14．Mynewjob_______mytravellingalloverthecountry,whichmeansIwon’tbeabletospendmuchtimewithmyfamily.A．takes B．promises C．involves D．causes15．Theroom______10metresacrossislargeenoughforasinglemantolivein．A．measuring B．measures C．tobemeasured D．measured16．_____atthedifferencesbetweenhercultureandtheirs,Anniewantedtoreturnhome.A．ConfusingB．ConfusedC．HavingconfusedD．Toconfuse17．—Doyouthinkheistheonlypersonforthejob?—I’mnotquitesurebuthe’llprove_______tothetask.A．equal B．essentialC．special D．superior18．Theman________thefakenewsthat18firefighterslosttheirlivesintheexplosionwasarrested.A．havingcirculating B．tocirculateC．circulating D．tohavecirculated19．Interestisas________tolearningastheabilitytounderstand，evenmoreso.A．vital B．availableC．specific D．similar20．Thegovernmentisto_____thetechnologiestothefullinthestructuraltransformationoftheeconomy.A．adaptB．exposeC．exploitD．attach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）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.22．（8分）ThismessageistoinformallthechildrenthatSanta’spostofficeinHimmelpfort,Germany,isopentoreceiveyourholidaywishes.ThatmeansyoucanmailyourletterstoSantaabout6weekssoonerthanthatlastyear.Santaknowsyou’vebeengoodandwantstomakesureheandhishelpersreceiveyourwishlistearlier.EightpostofficesareorganizedacrossGermanytoansweralltheletterschildrensend.Thisyeartheyplantoreceiveover250,000letters.Thoughthelettersflyfromover80differentcountries,Santaandhishelperscanunderstandandmakesuretoansweralltheletters.In1984,twochildrenfromBerlinsenttheirwishliststoHimmelpfortafterspendingtheirvacationthere.TheirletterswereansweredbypostalemployeesandlaterHimmelpfortincreaseditshelperstomeettheneedsofincreasedmailtraffic.Yearafteryear,Santaandhiscrewuseaneco-friendlypoweredvehicletocollectthethousandsofletterstheyreceivefromyoungboysandgirls.ThegreatnewsforthisyearisthatifyoucometothebeautifultownofHimmelpfort,youcandropoffyourletterandvisitSantainperson,fromTuesdaystoThursdaysuntilChristmasEve.Santadoesnotcurrentlyhaveane-mail,TwitteroraFacebookaccount.Hebelievesinold-fashionedcommunication.Sogetoutyourpaperandwriteyourwishlist.Justmakesureyourletterisclearsoyoucanreceiveanofficialresponse.SendyourletterstoSantaChristmasPostOfficeHimmelpfortGermany167981、ThisyearSantaandhishelpers.A．areeagertoreceivemorewishesB．keeptravelingaround80countriesC．areabletoreceivekids’lettersearlierD．answermostofthelettersforkids2、Fromthe3rdparagraph,weknowthat.A．childrenfromBerlinlikespendingholidaysinHimmelpfortB．postofficessendkidsallthepresentstheyaskforC．SantausesapoweredvehiclebecauseoftheheavymailtrafficD．childrencanvisitSantainthefleshbeforeChristmasEvethisyear3、Santadoesn’thavesocialcommunicationsonlineprobablybecausehe.A．isnotsureabouttheonlinesecurityB．truststraditionalwaysofcommunicationC．prefersofficialandformallettersD．thinkswrittenlettersareclearerthane-mails4、Thistextisintendedfor.A．touristscomingtoHimmelpfortB．teenagerspreferringwritinglettersC．parentspreparingforChristmasD．childrenplanningtowritetoSanta23．（8分）Sittingtoomuchislinkedtochangesinasectionofthebrainthatisimportantformemory,accordingtoarecentstudybyUCLAresearchersofmiddle-agedandolderadults.Studiesshowthattoomuchsitting,likesmoking,increasestheriskofheartdisease,diabetesandprematuredeath.ResearchersatUCLAwanttoseehowsedentarybehavior(sittingforlongperiodsoftime)influencesthehealthofthebrain,especiallyregionsofthebrainthatareimportanttomemoryformation.UCLAresearchersgathered35peopleaged45to75andaskedabouttheirphysicalactivitylevelsandtheaveragenumberofhoursperdaytheyspentsittingoverthepreviouswork.Eachpersonhadahigh-resolutionMRI(热分辨磁共振成像)scan,whichprovidesadetailedlookatthemedialtemporallobe,orMTL,abruinregioninvolvedintheformationofnewmemories.TheresearchersfoundthatsedentarybehaviorisanimportantpredictorofthinningoftheMTLandthatphysicalactivity,evenathighlevels,ismilenoughtocompensatetheharmfuleffectsofsiltingforlongperiods.“Thisstudydoesnotprovethattoomuchsittingcausesthinnerbrainstructures,butinsteadthatmorehoursspentsittingareassociatedwiththinnerregions,”researcherssaid.Inaddition,theresearchersfocusedonthehoursspentsitting,butdidnotaskparticipantsiftheytookbreaksduringthistime.Theresearchersnexthopetofollowagroupofpeopleforalongerdurationtodetermineifsittingcausethetinningandwhatrolegender(性別),race,andweightmightplayinbruinhealthrelatedtosilting.“MTLthinningcanbeanindicationofcognitive(认知的)declineinmiddle-agedandolderadults.ReducingsedentarybehaviormaybeapossibletargetformeasuresdesignedtoimprovebruinhealthinpeopleatriskforAlzheimer’sdisease,”researcherssaid.1、WhatisthestudydonebyUCLAmainlyintendedtofindout?A．Whatharmsittingtoomuchcauses.B．Whysiltingtoomuchislikesmoking.C．Howtoomuchsittingaffectsbrainhealth.D．Whethertoomuchsittingcausesearlydeath2、Participantswerescannedbyahigh-resolutionMRIto.A．evaluatetheirmemorylossB．examinetheirMTLconditionsC．recordtheirphysicalactivitylevelsD．recordthelengthoflimefortheirsitting3、WhatdoUCLAresearchersthinkoftheirstudy?A．Itinagreatsuccess.B．Itislittlepracticalvalue.C．Itmusttargettheyoung.D．Itstillneedstobeimproved.4、Whatcanbethebesttitleforthetext?A．LongSittingIsBadforYourBrainB．HowtoImproveBrainHealthC．SittingCausesManyHealthProblemD．AnEasyWaytoPreventMemoryLoss24．（8分）ThereisanoldChineseproverbthatstates“Onegenerationplantsthetrees;anothergetstheshade,”andthisishowitshouldbewithmothersanddaughters.Therelationshipbetweenamotherandadaughterissometimesconfusing.Therelationshipcanbesimilartofriendship.However,themotheranddaughterrelationshiphasuniquecharacteristicsthatdistinguishitfromafriendship.Thesecharacteristicsincludeahierarchy(等级)ofresponsibilitiesandunconditionallove,whichprecludemothersanddaughtersfrombeingbestfriends.Marina,27yearsold,said,“Ilovespendingtimewithmymom,butIwouldn’tconsiderhermybestfriend.Bestfriendsdon’tpayforyourwedding.Bestfriendsdon’tremindyouhowtheycarriedyouintheirbodyandgaveyoulife!Bestfriend:don’ttellyouhowwisetheyarebecausetheyhavebeenaliveatleast20yearslongerthanyou.”Thisdoesn’tmeanthatthemotheranddaughterrelationshipcan’tbeverycloseandsatisfying.Whilesomeadultrelationshipsarestilltroubled,manyfindthemtobeextremelyrewarding.Thisgenerationofmothersandadultdaughtershasalotincommon,whichincreasesthelikelihoodofsharedcompanionship.Mothersanddaughtershavealwayssharedthecommonexperienceofbeinghomemakers,responsibleformaintainingandpassingonfamilyvaluesandtraditions.Todaycontemporarymothersanddaughtersalsosharetheexperienceoftheworkforceandtechnology,whichmaybringthemevenclosertogether.Bestfriendsmayormaynotcontinuetobebestfriends,butforbetterorworse,themotheranddaughterrelationshipispermanent,evenifforsomeunfortunatereasontheyaren’tspeaking.Themotherandchildrelationshipiscloserthananyother.Thereisnotanequalrelationship.Daughtersshouldnotfeelresponsiblefortheirmother’semotionalwell-being.Itisn’tthattheydon’tcaredeeplyabouttheirmothers.It’sjustthattheyshouldn’tbeburdenedwiththeirmother’swell-being.Themotheranddaughterrelationshipisarelationshipthatisnotreplaceablebyanyother.Mothersneverstopbeingmothers,whichincludesfrequentlywantingtoprotecttheirdaughtersandoftenfeelingresponsiblefortheirhappiness.Mothersalways“trump(胜过)”friends.1、Whatdoestheunderlinedword“preclude”inparagraph1probablymean?A．Differ. B．Prevent.C．Benefit. D．Change.2、Whatdoweknowfromthetext?A．Themotheranddaughterrelationshipcanbereplacedbyabestfriend.B．Amother’slovebringsherandherdaughteraclosefriendship.C．Themotheranddaughterrelationshipgoesbeyondbestfriends’friendship.D．Marinahasatroubledrelationshipwithhermother.3、Howdoestheauthormainlyprovehisstatements?A．Bylistingdata. B．Bygivingexplanations.C．Byquotingsayings. D．Bymakingcomparisons.4、Whatisthebesttitleforthetext?A．HowtoBeaGoodMotherandDaughter?B．WhoIsaMother’sBestFriend?C．MothersorFriends?D．CanaMotherBeaDaughter’sBestFriend?25．（10分）You’resoyoungrightnow,butIhopethisletterwillbehelpfultoyouonedaywhenyou’reolder.Ifeelitismyresponsibility,asamotheroftwolittlegirls,toleadyoudownapaththatisrelativelyhealthywhenitcomestobeautyandself-image.Inalotofwomen’seyes,I’veprobablyalreadyfailedinthisaspectduetoalotofpinkBarbiedollsinVera’sroomrightnow.ButIwillsaythisaboutBarbiedolls:IplayedwithBarbiedollsformanyyearswhenIwasgrowingupandhereIhaveahealthybodyandapositiveimage.Ihaveamaster’sdegree,asuccessfulcareerandapublishedbook.IfBarbiedollswerereallysodamagingtomyfemininity(女人气质)andself-image,IhighlydoubtwhetherIcouldlistalloftheseachievements.It’shardforwomennottoworryaboutourweightortowishwecouldaffordmorestylishclothes.It’shardnottowantsomeoneelse’shairoreyelashes.Wewomengoroundandroundincircles,holdinghandsandtryingtobeoneanothersometimes.ThethingI’lltellyouisthis:noteventheprettiestofusfeelsettled.Thegirlyouthinklooksthemostperfectinalltheworldisprobablythegirlwhowantstochangeherselfmorethananyoneelse.Don’tletthatmessagecarryanyweightwithinyourselves.Youarenotworthless.Youaresofullofloveandlightandyoushouldletitshinethroughyoureverysecond.Ifsomeonepushesyoudownforstandingtallthenjustpushyourselfbackupandstandeventaller,andknowthatthereasonwhytheypushedyoudowninthefirstplaceisjustthatthey’rescared.IwanttotellyouthatIhaveneverinmylifefeltmorebeautifulthanwhenIhavestoodmytallest.1、WhatdoestheauthorthinkaboutBarbiedolls?A．Theydidnoharmtoherimage. B．Theyenablehertoachievealot.C．Theypreventedherdevelopment. D．Theycontributedtoherpromotion.2、Whatcanwelearnfromthethirdparagraph?A．It’swomen’snaturetobeenvious. B．It’seasytoreadwomen’sthoughts.C．Womenliketobeclosetoeachother. D．Womentendtopursueaperfectappearance.3、Whatdoestheauthorsuggestherdaughtersdo?A．Trytobethemostbeautiful. B．Standtallwithloveandtoughness.C．Comparethemselveswithotherstoimprove. D．Pushothersdownonthewaytobethetallest.4、What’stheauthor’spurposeinwritingtheletter?A．Totellherdaughterswhatrealbeautyis. B．Towarnherdaughtersofthetroubleinlife.C．Tosharewithherdaughtersallherexperience. D．Topersuadeherdaughterstofollowherexample.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）完形填空（共20小题；每小题1分，满分20分）请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。StefanandErikaSvanstromonafour-monthhoneymoonwerehitbyseveralnaturaldisasters,includingtheAustralianfloods,ChristchurchearthquakeandJapanesetsunami.The1coupleleftSwedenonDecember6andwere2caughtinMunich,Germany,duetooneofEurope’sworstsnowstorms.Later,theyflewontoAustraliawhichthen3withoneofthemostterriblehurricanesinthenation’shistory.Fromthere,thecouple,4,wereforcedto5for24hoursonthefloorofashoppingcentrewith2500others.“Treeswerebeing6andbigbrancheswerescatteredacrossthestreets,”StefantoldSweden’sExpressennewspaper.“We7escaped”ThecouplethenflewtoChristchurch,NewZealand.8theirarriving,amassiveearthquake9magnitude6.3hitthecityonFebruary22.Erikasaid“Wecouldnotvisitthecitysinceitwascompletelyin10,soinsteadwetravelledaroundbeforegoingtoJapan.”ButdaysaftertheSvanstromsarrived,Tokyowas11byJapan’slargestearthquake12recordsbegan.“Thetremblingwashorribleandwesawroofdebris(碎片)flyoffthebuildings,”Mr.Svantromsaid.“13seemedthebuildingswereswaying14”ThefamilyreturnedtoSwedenonMarch29aftera(n)15calmervisittotheirlastdestinationChina.ButMr.Svanstrom,whoalsosurvivedtheverytsunami16hitSoutheastAsiain2004,said“Iknowmarriageshavetoexperiencesome17,butIthinkwehave18mostofthem.”,19thatthemarriagehadbecomestrong.“We’vecertainlyexperienced20ourfairshareofcatastrophes,butthemostimportantthingisthatwe’retogetherandhappy.”saidthecouple.1、A．new-marriedB．newly-marryC．newly-marriedD．new-marry2、A．finallyB．eventuallyC．graduallyD．immediately3、A．metB．facedC．hitD．come4、A．invainB．inpanicC．insorrowD．indepression5、A．hideB．stayC．remainD．shelter6、A．takenoverB．turnedoverC．gotoverD．knockedover7、A．nearlyB．narrowlyC．almostD．easily8、A．AtB．WithC．OnD．For9、A．measuringB．ismeasuredC．measuresD．measured10、A．messB．orderC．chaosD．control11、A．effectedB．destroyedC．shakenD．suffered12、A．whenB．whileC．asD．since13、A．ItB．ThereC．ThatD．What14、A．inandoutB．hereandthereC．backwardsandforwardsD．backandforth15、A．prettyB．fairlyC．muchD．even16、A．whichB．asC．thatD．what17、A．trialsB．tricksC．tripsD．triangles18、A．lookedthroughB．putthroughC．comethroughD．gotthrough19、A．addedB．addingC．addedtoD．addingto20、A．ratherthanB．otherthanC．morethanD．lessthan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）Readthepassageandfillintheblankswithproperwordsortheproperformsofthegivenwords.Ashumans,wehavefivetools1．helpusexploretheworldaroundus.Thefirstoneissight.Youcanwatchamovie,seeabeautifulsunset,orrunandplayoutsidebecauseofyour2．(eye).Thesecondimportantsenseishearing.Ourearsallowus3．(enjoy)thingsliketalkingwithourfriendsandlisteningtomusic.4．(be)abletohearalsohelpsprotectusfrom5．(dangerous);forexample,wecanhearifacariscomingwhenwe’recrossingthestreet.Smellisanotherimportantsense.6．ournoseswecouldn’tenjoythingslikeourfavouritemealorflowers.Ournosealsohelpsusknow7．we’reeating.The8．(four)importantsenseistaste.Ourtongues(舌头)canpickoutfivetypesoftastes—bitter,sour,sweet,hotand9．(salt).Thelastimportantsenseistouch.Ourskinisverysensitive(敏感的)towhatittouches,allowingustofeel.Oursenseoftouchcanalsopreventus10．(hurt).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。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(\)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l1处起)不计分。MyschoollifeintheBritainissignificantlydifferent、Theschooldayisnearly5、5hoursshortthanthatinChina、Studentstherearefriendlyandfocustheirstudies、Withhishelp,Ihaveadaptedtothelifesoonandmakelotsofnewfriends、Ifeelsoluckilytobeabletoparticipateinclassdiscussion,thatI'velearnalotaboutlocalculture、Ienjoythereportfortheteachersandteachersandthecountry、BesidesIhavelearntmanyskillaboutcompletingmyprojects、Myexperienceisamazedandenjoyablebecauseofmywonderfulhostfamily,myfriendsortheteachers、第二节书面表达（满分25分）29．（25分）假如你是高二年级李华同学，你发现班上有些同学晚上学习到深夜，白天也不安排休息时间，但往往在课堂上昏昏欲睡(sleepy)，还有些同学饮食习惯不好，不吃早饭。请你写篇发言稿，在班会上劝同学们合理安排作息时间，注意饮食健康，保证学习好、身体好。注意：1.可根据内容要点适当增加细节，以使行文连贯。2.词数100左右。Dearclassmates,________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、A2、B3、D4、D5、C6、A7、A8、A9、B10、D11、C12、C13、D14、C15、A16、B17、A18、C19、A20、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、Anewstudysuggeststhatwashingdishesbyhandishealthierthanusingadishwasher.Nobodylikesdoingthedishes,butitturnsoutthatdoingthistaskmightpayoffinanunexpectedway.AccordingtoanewstudypublishedintheJournalofPediatrics,washingdishesbyhandinsteadofusingadishwashermightpreventthedevelopmentofallergies(过敏).ResearchersinSwedensurveyedtheparentsof1,029childrenaged7and8.Theydiscoveredthatchildrenwhosefamilieshand-washedthedishesinsteadofusingamachinewerelesslikelytohaveallergies.Earlierresearchhasshownthatdisheswashedbymachinearecleanerthanthosewashedbyhand.Sowhywouldkidswhoeatoffofslightlydirtierplatesbebetteroffwhenitcomestopreventingallergies?Oneexplanationisbasedonatheoryknownasthe