2025届内蒙古兴安市重点中学高三第五次模拟考试英语试卷含解析

2025届内蒙古兴安市重点中学高三第五次模拟考试英语试卷考生须知：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．Teachersinprimaryschools______influencethekidsfallundershouldberolemodels.A．whose B．whoC．where D．which2．The2011AustralianOpenwassuccessfullyheldincityofMelbourne,bigcityinAustralia.A．a;a B．the;a C．a;the D．the;the3．Bob’slecturescoveredafairlywiderangeandIcan’tsumupwhathesaysinafewsentences.A．covered B．conveyed C．considered D．commanded4．Newly________chairmanoftheChineseBasketballAssociation,YaoMinghasputreformingthedomesticgame’smanagementatthetopofhisagenda.A．appointing B．appointedC．beingappointed D．havingappointed5．—HaveyouseenJiangWen’smovieLettheBulletsFlyrecently?—Yes.Iittwicelastweek,Athomeandinthetheatre.A．hadenjoyed B．enjoyed C．haveenjoyed D．wasenjoying6．Theweatherturnedouttobefine.I_____________thetroubletocarrytheumbrellawithme.A．shouldhavetaken B．musthavetakenC．couldn'thavetaken D．needn'thavetaken7．HewasgreatlyshockedatDonaldTrump’stakingoffice.Neverdidheexpectthatthevoters_______besounreasonable.A．shouldB．couldC．wouldD．might8．Takethemedicinerightaway!______ityesterday,youwouldbequiteallrightnow.A．Hadyoutaken B．WouldyoutakeC．Shouldyoutake D．Wereyoutotake9．—John,doyouknowwhythesuspectwassetfree?—Forlackof________evidence.A．solidB．apparentC．ambiguousD．concrete10．HaveyoureadthebookLifeandDeathAreWearingMeOutbyMoYan,_____thatwonhimthe2012NobelPrizeinLiterature?A．theone B．one C．those D．ones11．Icertainlyexpecttobeelectedbeststudentoftheyear.It’sreally________!A．agoodSamaritanB．awetblanketC．afeatherinmycapD．apieceofcake12．Wordcamethat30firefightersgavetheirlivestoourcountry_______nationalpropertysecurity.A．inexchangefor B．inresponsetoC．intermsof D．incontrastwith13．IwillgotoBeijingonbusinesstomorrow,doyouhaveanything____toyoursonstudyinginPekingUniversity?A．tobetaken B．totake C．taken D．beingtaken14．I’veknownSarahfornearlytenyears.She_________oncemycustomer.A．is B．hasbeenC．was D．hadbeen15．Thetwopensarethesame,buttheredonecost_____________thatone.A．asmuchtwiceas B．twiceasmuchasC．muchastwiceas D．astwicemuchas16．Ifshe________generousasshemakesoutshewouldhavedonatedmoremoneyinthecatastrophe.A．hadbeen B．wereC．wouldbe D．was17．______farinthecontest,wearesodisappointed.A．Notgetting B．NottogetC．Nothavinggot D．Notgot18．Uptillnow,therehasbeennoscientificevidenceabout________causedthedeathofdinosaurs.A．whatisitthat B．whatitwasthat C．itwaswhat D．whatisit19．Someschools,includingours,willhavetomake________inagreementwiththenationalsoccerreform.A．amusementsB．adjustmentsC．appointmentsD．achievements20．______inpainting,Johndidn’tnoticeeveningapproaching.A．Toabsorb B．TobeabsorbedC．Absorbed D．Absorbing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）FormalAfternoonTeasApotoftea,aplateoffingersandwichesandaselectionofpastriesandscones:InAmerica,thiswonderfulwaytowileawaytheafternooniscommonly,thoughmistakenly,knownas“hightea.”InBritain,whereitoriginated,“hightea”issimplyanold-fashionednamefortheeveningmeal;it’salsocalled“mealtea.”Thelight,elegant,scone-centricmealservedatfancyhotelsiscalled“lowtea”or“afternoontea”.Whateveryoucallit,herearefourplacestogetafternoonteaonLongIsland.Pricesareperperson.ChatNoir230MerrickRd.,RockvilleCentre516-208-8521,OwnerEmmaTsoisatalentedpastrychef,andherafternoontea($22)includessandwiches,miniaturepastries,warmscones,creamandjamandapotoftea.Open7daysaweek.Reservationsrequired.Robinson’sTeaRoom97-EMainSt.,StonyBrook631-751-1232Robinson’sserviceafternoonteaTuesdaytoSunday.$26buysunlimitedtea,about10fingersandwiches,freshscones,creamandjamanddesserts.Reservationsrequired.TheSecretGardenTeaCafe&GiftShoppe225MainSt.,PortJefferson631-476-8327,TheStreetGarden’smenuhasmoremodestoptions,butthefullafternoontea,$26.95,includesscones,freshfruit,teasandwiches,minidessertsandapotoftea.OpenTuesdaytoSunday.TheHiddenOakCafeBayardCuttingArboretum,MontaukHighway,GreatRiver631-277-3895,ThecafeisopenTuesdaytoSunday.Afternoontea($25.95)includesteasandwiches,dessertsandpastries,sconeswithcreamandjamandapotoftea.Reservationsrequired24hoursinadvance.1、WhatdoweknowaboutBritishafternoontea?A．It’sknownas“mealtea”. B．It’scenteredondesserts.C．It’sservedatfancyhotels. D．It’soriginatedfromAmerica.2、WhichnumbershouldyoucalltoreserveforaMondayafternoontea?A．516-208-8521 B．631-751-1232C．631-476-8327 D．631-277-38953、Wherecanyougetafternoonteawithfreshfruit?A．AtChatNoir B．AtRobinson’sTeaRoomC．AttheHiddenOakCafe D．AttheSecretGardenTeaCafe&GiftShoppe23．（8分）Asself-drivingcarscomeclosertobeingcommononAmericanroads，muchoftherhetoric（浮夸之词）promotingthemhastodowithsafety.About40，000peopledieonUSroadseveryyear，anddrivererrorsarelinkedtomorethan20percentofcrashes.Butmanyofthebiggestsupportersofautonomous（自动的）vehiclesaren'tcarcompanieslookingtoimprovethesafetyoftheirexistingproducts.Hugesupportforself-drivingtechnologiesiscomingfromSiliconValleygreatcompanieslikeGoogleandApple.Thoseofuswhohavestudiedtherelationshipbetweentechnologyandsocietytendtolookmorecarefullyatthereasonsbehindanytechnologicalpush.Inthiscase，it'sclearthatinadditiontosolvingsafetyconcerns，SiliconValleyfirmshaveastrongincentive（动机）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.24．（8分）Judgingfromrecentsurveys,mostexpertsinsleepbehavioragreethatthereisvirtuallyanepidemic(流行病)ofsleepinessinthenation.“Ican’tthinkofasinglestudythathasn’tfoundAmericansgettinglesssleepthantheyoughtto,”saysDr.David.Evenpeoplewhothinktheyaresleepingenoughwouldprobablybebetteroffwithmorerest.Thebeginningofoursleep-deficit(睡眠不足)crisiscanbetracedtotheinventionofthelightbulbacenturyago.Fromdiaryentriesandotherpersonalaccountsfromthe18thand19thcenturies,sleepscientistshavereachedtheconclusionthattheaveragepersonusedtosleepabout9.5hoursanight."Thebestsleephabitsoncewereforcedonus,whenwehadnothingtodointheeveningdownonthefarm,anditwasdark."Bythe1950sand1960s,thatsleepschedulehadbeenreduceddramatically,tobetween7.5and8hours,andmostpeoplehadtowaketoanalarmclock."Peoplecheatontheirsleep,andtheydon'tevenrealizethey'redoingit,"saysDrDavid."Theythinkthey'reokaybecausetheycangetbyon6.5hours,whentheyreallyneed7.5,8orevenmoretofeelideallyenergetic."Perhapsthemostmercilessrobberofsleep,researcherssay,isthecomplexityoftheday.Wheneverpressuresfromwork,family,friendsandcommunitymount,manypeopleconsidersleeptheleastexpensiveitemonhisprogramme."Inoursociety,you'reconsidereddynamicifyousayyouonlyneed5.5hours'sleep.Ifyou'vegottoget8.5hours,peoplethinkyoulackdriveandambition."Todeterminetheconsequencesofsleepdeficit,researchershaveputsubjectsthroughasetofpsychologicalandperformancetestsrequiringthem,forinstance,toaddcolumnsofnumbersorrecallapassagereadtothemonlyminutesearlier."We'vefoundthatifyou'reinsleepdeficit,performancesuffers,"saysDrDavid."Short-termmemoryisweakened,asareabilitiestomakedecisionsandtoconcentrate."1、AccordingtoDr.David,Americans________.A．areideallyvigorousevenunderthepressureoflifeB．oftenneglecttheconsequencesofsleepdeficitC．donotknowhowtorelaxthemselvesproperlyD．cangetbyon6.5hoursofsleep2、ManyAmericansbelievethat_____________.A．sleepisthefirstthingthatcanbesacrificedwhenoneisbusyB．theyneedmoresleeptocopewiththecomplexitiesofeverydaylifeC．tosleepissomethingonecandoatanytimeofthedayD．enoughsleeppromotespeople’sdriveandambition3、Theword“subjects”(Line1,Para4)refersto__________.A．theperformancetestsusedinthestudyofsleepdeficitB．specialbranchesofknowledgethatarebeingstudiedC．peoplewhosebehaviororreactionsarebeingstudiedD．thepsychologicalconsequencesofsleepdeficit4、Itcanbeconcludedfromthepassagethatoneshouldsleepasmanyhoursasisnecessaryto____________.A．improveone’smemorydramaticallyB．beconsidereddynamicbyotherpeopleC．maintainone’sdailyscheduleD．feelenergeticandperformadequately25．（10分）Thatoldsaying“Neversaynever”cametomindwhenIreadthatHarperLee,theauthorofthebeloved,PulitzerPrize-winningnovel,ToKillaMockingbird,hasanewbookcomingoutinJuly,2015—55yearsafterMockingbirdwaspublished!TheveryprivateMs.Leehadneverfollowedupherhighlypraisedfirstbook,withasecondnovel.Instead,she’sfollowingitupwithafirstnovel.Confused?SowasI!Allowmetoexplain.GoSetaWatchman,wasactuallywrittenbeforethatclassicvolume.Inthemid-1950s,LeehadcompletedWatchman,whichfeaturesScoutFinchasayoungwomanfromAlabamalivinginNewYork.ThestoryfollowsScoutasshereturnstovisitherfather,Atticus,thelawyerwhofoughtracialinjusticeinMockingbird.ButasLeeherselfputitinarecentannouncementthroughherpublisher,“myeditor,whowastakenbytheflashback(倒叙)toScout’schildhood,persuadedmetowriteanovelfromthepointofviewoftheyoungScout.Iwasafirst-timewriter,soIdidasIwastold.”Thatbookwas,ofcourse,ToKillaMockingbird,andafteritwasreleasedtogreatpraise,LeeneverreturnedtoGoSetaWatchman.Infact,thatearlierworkwasconsideredlostuntilLee’slawyerfoundamanuscript(手稿)ofit.“AftermuchthoughtandhesitationIconsidereditworthyofpublication.”saidLee.“Iamamazedthatthiswillnowbepublishedafteralltheseyears.”SothebookthatgavebirthtoToKillaMockingbirdwillnowserveasitssequel(续集).It’ssafetosaythat,decadesafterthepublicationofMockingbird,millionsofreaderswhoweresotouchedbyMs.Lee’ssecondnovelwillbecountingthedaysuntilthereleaseofherfirstone.1、WhenwasMockingbirdpublishedaccordingtothetext?A．In1950.B．In1960.C．In1970.D．In1980.2、WhatcanweknowaboutthebookofWatchman?A．Atticusfoundamanuscriptofthewriter.B．Atticuswasalawyerfightingracialinjustice.C．ScoutFinchgottoAlabamatoseeAtticus.D．ScoutFinchlostoneofAtticus’manuscripts.3、Whatdoes“thebook”inthefourthparagraphrefertointhewriter’sopinion?A．ToKillaMockingbird.B．GoSetaWatchman.C．Theclassicvolume.D．Ms.Lee’ssecondnovel.4、Thetextmainlytalksabout.A．whyMs.Lee’sfirstnovelwillbecomehersecondoneB．howMs.Lee’sfirstnoveldiffersfromhersecondoneC．whenGoSetaWatchmanwasactuallywrittenD．whatMs.Lee’stwogreatnovelsreallydealwith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）Yesterday,Imetadelightfulwomanataworkevent.Aswetalked,shetoldmeaboutherinManila,Philippines.Shespokeabouttheherculturevaluestheirelders,andsheexplainedthatchildrenarefromthetimeofbirthtorespectandpeopleolderthanthemselves.Itwastohearthat,soIenjoyedlisteningandlearning.HereishermemoryIfoundsobeautiful:Whenshewasgrowingup,herfatherhadthreejobstohisfamily.Shesaidherdadnever,andthoughheworkedveryhard,healwayshadforthem.Oneday,herfatherwasathisfull-timejob.Forseveralmonths,hewasmailedtemporarydisabilitycheckshewasrecovering.Whenherfatherwasabletoreturntohisfull-timejob,hetookallthosedisabilitythatweresenttohimwhilehewasrecoveringandhandedthembacktothe.Hetoldthemthathehadtwogoodlegsandarms,anddidnotneedthismoney.Hetoldthemtogivethemoneytopeoplewhocouldnotwork,topeoplewhoneededit.Thewomantellingthestorywasalittlegirlatthattime.Shehadherfatherthatverydaywhenhewentbacktohiscompanyallthoseunopenedchecks."Myfatherismyhero,"she.Loweringhervoice,shesaidshewouldneverforgetwhathedid,andwhatanandinfluentialmentor(导师)hewasonhowtolivealife.Frommycommunicationwithher,itwasthatherfather'ssamesweetspirithadbeentothiswoman,andtoherfamily.Hearingthisstorywassorefreshingtomysoul.Ihopeitisforyoutoo.1、A．study B．childhood C．friendship D．hobby2、A．way B．pattern C．memory D．skill3、A．adopted B．brought C．attended D．educated4、A．greet B．admire C．honor D．welcome5、A．surprising B．refreshing C．convincing D．puzzling6、A．that B．what C．it D．this7、A．dependon B．watchover C．takein D．carefor8、A．explained B．apologized C．complained D．regretted9、A．food B．clothing C．space D．time10、A．defeated B.injured C．fired D．punished11、A．while B．though C．becauseD．since12、A．presents B．goods C．checks D．awards13、A．company B．committee C．community D．charity14、A．frequently B．regularly C．actually D．normally15、A．observed B．accompanied C．supported D．reminded16、A．on B．about C．forD．with17、A．remarked B．reported C．sighed D.announced18、A．advanced B．effective C．inspiring D．honest19、A．possible B．necessary C．strange D．obvious20、A．givenin B．passeddown C．heldon D．handedout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）AnybirdthatcrossedhispathwouldbeeatenbyRex,aGermanshepherd.Rex1．(rescue)fromhispreviousshelter,wherehewasgoingtobeputdownafterabitingincident.Lastyear,he2．(eventual)arrivedatPuritonHorseandAnimalRescue.Geraldinewasagooseabandonedbyownerswhocouldnolongerputup3．her.Shewasn’texactlythepictureof4．(warm),either,whenshearrivedatthesameshelterthreemonthsago.Thedogandthegoosewereindividuallygivenlabelslikecruelanddangerous.Neitherseemedparticularlyharmoniouswithhumansorevenmembersoftheirownspecies.Butwhenthetwo5．(annoy)creatureswereofferedachancetohangouttogether,somethingmagicalhappened.Theychasedeachotherwhenfirst6．(introduce),butGeraldinestoodupforherselfandthatwasthat.Theyjustfellinlovewitheachother.“I’vebeendoingrescueworksince1997andseenall7．(kind)ofstrangeanimalbehavior,butI’veneverseenanythinglikethis,”saidSheilaBrislin,8．isthefounderoftheshelter.“It’ssoamusingtoseethembecausetheyloveeachothertobits.Theyareveryaffectionate.Shejust9．(run)aroundalongsidehimalldaylongandwheneverwetakehimfor10．walkinthewoodsshehastocome,too.”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（∧），并在此符号下面写出该加的词。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。Oncetherehadawoodenpagoda（塔）inmyvillage、Ithadahistoryofovereighthundredsyears、Itwassuchbeautifulandfamousthatmanytouristscametovisititeveryyear、Theytookphotos,writedowntheirnamesonthewallsandeventhrewrubbisheseverywhere、Laterthepagodawasdestroyedbecauseofafireintheforestnearbyit、Thevillagershadtospendagreatdealofmoneybuildanotherpagoda,thatlookedliketheoldone、Nownotonlythevillagersrealizetheimportanceofprotectingthepagodabutalsotouristsknowthattheyshouldtryhisbestnottocausedamagetoit、第二节书面表达（满分25分）29．（25分）假设你是晨光中学的李津。你在上网时发现一个国外的英语学习网站，你很喜欢里面的内容。请你根据以下提示，用英语给该网站写一封电子邮件。表示感兴趣；其中一些栏目对学习很有帮助（词汇，阅读等）；提些建议（建立交友平台，介绍不同国家的文化等）。注意：词数不少于100；可适当加入细节，使内容充实、行文连贯；开头已给出，不计入总词数。参考词汇：栏目column网站websiteDearSir/Madam,IamLiJin,aChinesestudentinSeniorThree._________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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、A4、B5、B6、D7、A8、A9、A10、A11、C12、A13、A14、C15、B16、B17、C18、B19、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、Anewstudysuggeststhatwashingdishesbyhandishealthierthanusingadishwasher.Nobodylikesdoingthedishes,butitturnsoutthatdoingthistaskmightpayoffinanunexpectedway.AccordingtoanewstudypublishedintheJournalofPediatrics,washingdishesbyhandinsteadofusingadishwashermightpreventthedevelopmentofallergies(过敏).ResearchersinSwedensurveyedtheparentsof1,029childrenaged7and8.Theydiscoveredthatchildrenwhosefamilieshand-washedthedishesinsteadofusingamachinewerelesslikelytohaveallergies.Earlierresearchhasshownthatdisheswashedbymachinearecleanerthanthosewashedbyhand.Sowhywouldkidswhoeatoffofslightlydirtierplatesbebetteroffwhenitcomestopreventingallergies?Oneexplanationisbasedonatheoryknownasthe“hygienehypothesis”,whichsaysthereasonkidsdevelopallergiesisthattheirsurroundingsareactuallytooclean.Yourimmunesystemkeepsyouhealthybyfightinggerms(细菌)likebacteriaandviruses.