山東省昌樂博聞學(xué)校2025屆高三英語第一學(xué)期期末聯(lián)考試題含解析

山東省昌樂博聞學(xué)校2025屆高三英語第一學(xué)期期末聯(lián)考試題注意事項(xiàng)1．考試結(jié)束后，請(qǐng)將本試卷和答題卡一并交回．2．答題前，請(qǐng)務(wù)必將自己的姓名、準(zhǔn)考證號(hào)用0．5毫米黑色墨水的簽字筆填寫在試卷及答題卡的規(guī)定位置．3．請(qǐng)認(rèn)真核對(duì)監(jiān)考員在答題卡上所粘貼的條形碼上的姓名、準(zhǔn)考證號(hào)與本人是否相符．4．作答選擇題，必須用2B鉛筆將答題卡上對(duì)應(yīng)選項(xiàng)的方框涂滿、涂黑；如需改動(dòng)，請(qǐng)用橡皮擦干凈后，再選涂其他答案．作答非選擇題，必須用05毫米黑色墨水的簽字筆在答題卡上的指定位置作答，在其他位置作答一律無效．5．如需作圖，須用2B鉛筆繪、寫清楚，線條、符號(hào)等須加黑、加粗．第一部分（共20小題，每小題1.5分，滿分30分）1．Theycarryout________checksonmilkproductstomakesurethattheyareofhighquality.A．commonB．naturalC．ordinaryD．regular2．WhileinteractingwithpeopleinIndia,Iwas________toawayoflifecompletelydifferentfrommyown.A．reducedB．exposedC．committedD．transferred3．TheOxfordEnglishDictionaryisnecessaryforlearningEnglish,soyou'dbetterbuy___.A．this B．that C．it D．one4．—Wherecanweparkcar?—Don’tworry.There’ssuretobeparkinglotnearby.A．the;the B．the;aC．不填;a D．不填;the5．—Whatapity!Youmissedmybirthdayparty.—Terriblysorry!___________myunclenotvisitedmeunexpectedly.A．Should B．WouldC．Had D．Did6．Iwascaughtinatrafficjamforoveranhour,otherwise,I________youwaitingforsuchalongtime.A．hadnotkept B．willnotkeepC．wouldnothavekept D．havenotkept7．---Howabout______plantoopenabranch?---Ishouldsayitwas______failure.A．a(chǎn);a B．a(chǎn);/ C．the;/ D．the;a8．Withthehelpofhightechnologyinthepastfewyears,electronicbusiness_______tobankindustryandtravelindustry..A．a(chǎn)ppliedB．haveappliedC．hasbeenappliedD．hadbeenapplied9．Bythetimewe________fromourschool,wehavebeenclosefriendsformorethantenyears.A．graduated B．willgraduateC．a(chǎn)regraduating D．graduate10．publicbicycleswithamobileappismoreconvenientforusers.A．TounlockB．UnlockC．UnlockedD．Unlocking11．Trytobeindependent,foryourparentscan'tdo________foryouallyourlife.A．something B．nothingC．everything D．a(chǎn)nything12．—Whataboutwatchingaballetshowthisevening?—Thanksforinvitingme,butballetisn’treally______.A．theappleofmyeye B．myfeetofclayC．mycupoftea D．thesaltoftheearth13．It’s_______forpeopletoblametrafficjams,thecostofgasandthegreatspeedofmodernlife.A．reasonable B．a(chǎn)vailableC．a(chǎn)ccurate D．cautious14．---IsitconvenienttoyouifIcallyouupat9o’clocktomorrowmorning?---I’mafraidnot.I______ameetingthen.A．willhaveattended B．wasattendingC．willbeattending D．a(chǎn)mattending15．Bythesideoftheteachingbuildingofourschool_____,whichwascompletedin2009. A．therestandingthelibrary B．doesthelibrarystand C．thelibrarystands D．standsthelibrary16．Mytoothacheme.Ithoughtitwasgoingaway,butitisgettingworsenow.A．killsB．iskillingC．haskilledD．killed17．Alongwiththeemailwasmybrother’spromise______Icamefirstinthecompetition,hewouldbuymeanMP4.A．what B．that C．thatif D．whether18．________thedangerofdrunkdriving,manydriverspromisednevertodriveafterdrinking.A．Realizing B．TohaverealizedC．Realized D．Havingrealized19．—Beseated,pleaseandI’llmakeyouacupoftea.—_________.Let’scometothepointfirst.A．Youneedn’tdosoB．Pleasedon’tbotherC．YouarewelcomeD．Youareindeedtoopolite.20．—Didyourfatherenjoyseeinghisoldfriendsyesterday?—Yes,hedid.Theyeachotherforages.A．didn’tseeB．wouldn’tseeC．haven’tseenD．hadn’tseen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）TheNobelPrizeWinnersinLiteratureRabindranathTagore(1913)Prizemotivation:“becauseofhisprofoundlysensitive,freshandbeautifulverse(詩歌),bywhich,withconsummateskill,hehasmadehispoeticthought,expressedinhisownEnglishwords,apartoftheliteratureoftheWest”WilliamFaulkner(139)Prizemotivation:“forhispowerfulandartisticallyuniquecontributiontothemodernAmericannovel”SirWinstonLeonardSpencerChurchill(143)Prizemotivation:“forhismasteryofhistoricalandbiographicaldescriptionaswellasforbrilliantoratory(演講)indefendingexaltedhumanvalues.”ErnestMillerHemingway(144)Prizemotivation:“forhismasteryoftheartofnarrative,mostrecentlydemonstratedinTheOldManandtheSea,andfortheinfluencethathehasexertedoncontemporarystyle.”JohnSteinbeck(1962)Prizemotivation:“forhisrealisticandimaginativewritings,combiningastheydosympathetichumorandkeensocialperception.”ClaudeSimon(1985)Prizemotivation:“whoinhisnovelcombinesthepoet’sandthepainter’screativenesswithadeepenedawarenessoftimeinthedepictionofthehumancondition.”MoYan(2012)Prizemotivation:“whowithhallucinatory(幻覺般的)realismmergesfolktales,historyandthecontemporary.”BobDylan(2016)Prizemotivation:“forhavingcreatednewpoeticexpressionswithinthegreatAmericansongtradition.”1、WhichwriterwonNobelPrizeforhispoetry?A．WilliamFaulkner.B．BobDylan.C．RabindranathTagore.D．ClaudeSimon.2、WhichwriterwonNoblePrizemostlyforhisspecificwork?A．ErnestHemingway.B．JohnSteinbeck.C．WilliamFaulkner.D．WinstonChurchill.3、Whoseworkswillyouturntoifyouareinterestedinasong-writingNobelPrizewinner?A．MoYan’s.B．BobDylan’s.C．ClaudeSimon’s.D．RabindranathTagore’s.4、Whodescribedreallifeexperiencesinhishistoricworks?A．JohnSteinbeck.B．MoYan.C．ErnestHemingway.D．WinstonChurchill.22．（8分）Americanwomenwhoworkascomputerprogrammers,chefsanddentistsearn28percentlessthanmendoingthesamejobs.Thosearethejobswiththebiggestwagedifferencesbetweenmenandwomen,accordingtoanewstudy.Overall,thestudyfoundthatwomenearn5.4percentlessthanmenfordoingthesamejob,inthesamelocationandforthesameemployer.ThewagedifferencesbetweenwomenandmenweresimilarintheUnitedKingdom,Australia,GermanyandFrance.5.4percentisabigdifferenceinpaybetweenmenandwomenbecauseitcannotbeexplainedbywomenandmentakingthesamekindsofjobs.Itcanonlybeexplainedbybias(倔見)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.23．（8分）I’mpartoftheRoots&ShootsprogramfoundedbyDr.JaneGoodall.Theprogramisintendedtomakeandpromotepositivechangesintheworld.AsDr.Goodallsays,“Whatyoudomakesadifference,andyouhavetodecidewhatkindofdifferenceyouwanttomake.”InBulgaria,whereIlive,homelessdogsareeverywhere.Manypeoplehereturnablindeyetothem.ButIcannotignorethelifeofastreetdogwheneverIseeonewanderinginthestreet,lookingforsomethingtoeat.That’swhyI’mnolongerafoodwaster.WhenIseewastedfood,Ialwaysthinkofahungrydogclimbingtogarbagebins,searchingforfoodthatpeoplehavethrownthere.Wheneatinginarestaurant,I’mnotafraidtotakeleftoverfoodtofeedstraycatsordogs.Aweekago,Isawahomelessdogaroundthegarbagebins.ImmediatelyIkneltdown,spoketohersoftlyandranmyhandsoverher.Icouldseethatshehadhadpuppies.Icouldn’timaginehowshecouldhavebeenabletocareforthem.Hoursearlier,I’dbaggedupaplateofleftoverfish.AsIunwrappedit,shewaggedhertailandsniffedatit.Sheateallthefishinnotime.It’ssad,isn’tit?Ican’tunderstandwhymanyofuswastesomuchandthinklittleofit.Thesehomelessanimalshavetaughtmethatfoodisprecious.EvenwhenIdon’thaveleftoverswithme,I’lltakethetimetogetsomethingfromthegrocerystoretofeedthem.Iknowmypowerissmall,soIhopethatnexttimeyouseewastedfood,doturnitintoworthyfood.Youhavethepowertosavealife!1、TheauthoruseswhatDr.Goodallsaystoshow__________.A．howwecandevelopourbusinessB．whyitisimportanttobegreatC．whytheprogramispopulargloballyD．howwecanchangetheworldpositively2、Whatcanbeconcludedfromthetext?A．TherearefewhomelessdogswheretheauthorlivesB．TheauthortakeshomelessdogshomeandraisesthemC．SeeinghomelessdogsmakestheauthorneverwastefoodD．Peoplethrowfoodintogarbagebinstofeedhomelessdogs3、Theauthortooktheleftoverfishwithhimto____________.A．feedahomelessdoghemetB．eatitwhenhewashungryC．lookformorehomelessanimalsD．setanexampletothosewhothrowawayfood4、Theauthorwrotethetexttoaskusto__________.A．valueourfoodB．treatdogsasourfriendsC．savewastedfoodforhomelessdogsD．raisehomelessdogsandcats24．（8分）Weallknowthehardworkthatfilmmakersandactorsputintoprovideuswithentertainment,butitseemsthatevenregularmoviegoerslikeushaveabigimpactonhowamovieturnsouttoo.Fordecadesnow,filmstudioshaveusedso-calledtestscreeningstogetfeedbackfrommembersofthepublicbeforeamoviecomesout.Whiletestaudiencemembersareusuallyaskedtofillinaquestionnaireafterascreening,tellingthefilmstudiowhattheylikedanddidn’tlike,mediagiantDisneyhascomeupwithamorehigh-techsolution.Accordingtoapaperpublishedthissummerbythecompany’sresearchers,Disneyismeasuringtestaudiences’reactionsbyusingspecialcamerasplacedinsidecinemas.Pairingthecameraswithcustomsoftware,thecompanycantrackwhateachaudiencememberisfeelingatanypointinthemovie,fromangertojoy.Thisworksbymapping68differentpointsoneachaudiencemember’sface.Thecamerascanseeinthedark,andthesoftwarecanfigureoutaperson’smoodbasedontheslightestoffacialexpressions.It’shopedthatthisnewmethodwillallowmoredetailedfeedbackfromtestaudiences.Ratherthanrelyingonaudiencememberstorecalltheirfeelingsafterthemovie’sover,itcanaccuratelyreadtheirreactionsinreal-time.Testscreeningsarehighlyvaluedinthemovieindustry,andseveralwell-knownmovieshavebeengreatlyalteredfollowingfeedback.ViewersofE.T.,theExtra-Terrestrial(1982),wouldhaveleftthecinemafeelingawholelotdifferentlyifitweren’tforitstestaudience’sfeedback.“Inonecutofthefilmthatwastested,E.T.diedinsteadofgoinghomeinhisspaceship.Youwon’tbesurprisedtohearthatthetestaudienceinquestiondidn’twarmtothisendingatall,”wrotemediawebsiteDenofGeek.Butforthosewhoareconcernedaboutprivacy,thecameraswon’tbeinstalledinpubliccinemas.Afterall,unlessyou’repartofatestaudience,beinginfrontofthecameraisbestlefttothemoviestars.1、Whyaretestscreeningsnecessary?A．Toamuseus.B．Toinfluenceamovie.C．Togetreactionsoftheaudience.D．Tospyontheaudience.2、Howdoesthehigh-techmethodwork?A．Audiencesrecalltheirdetailedfeelings.B．Thecamerascanreadaccuratefeedbackfromtheaudience.C．Thecompanycantrackeachaudiencemember.D．Thecompanyaremeasuringaudience’sreactions.3、WhatdoweknowaboutE.T?A．Itdoesn’twarmtheaudience.B．Italteredaudience’sfeedback.C．Theoriginalendingisdifferent.D．E.Tdiedinhisspaceship.4、Whatcanweinferfromthepassage?A．Peopleworryaboutprivacy.B．Thecameraswon’tbeputinpubliccinemas.C．Thetechnologyoftestscreeningsisreliable.D．Youcanbeinfrontofthecamera.25．（10分）Weknowthatprescriptiondrugscanbecostlyandwe’reheretohelp.Over60,000independentandmajorretailpharmacies(零售藥房)nationwideaccepttheSimpleSavingsCard.Findonenearyou.?Simplydownloadafreecardfromoursiteorchoosetohaveonemaileddirectlytoyou.Theprocessissimpleand,becauseit’snotinsurance,everyoneiseligible—there’snoqualificationprocess.?PrintyourSimpleSavingsCardandsignit.Nowit’sreadytouse.?Presentyourcardwithyournextprescriptionpurchaseandsaveupto6000!Storeyourcardanduseitforeachprescriptionpurchase.Becauseofoursizeandrelationshipswithinthepharmaceuticalindustry,weareabletonegotiatelowerpricesonyourbehalf.Wegetpaidbythepharmaceuticalcompanieswhenyouuseyourcard-allwhileyousavemoney.PleasenotethatyoucannotusebothyourinsurancecardandtheSimpleSavingsCardatthesametime.Ifyouhaveaninsuranceplanthatcoverstheprescriptionyouarepurchasing,werecommendyouuseyourinsuranceplanfirst.Ifyoudon’thaveinsuranceorifthedrugyouarepurchasingisnotcoveredbyyourinsuranceplan,youcanuseyourSimpleSavingsCard.Youarejuststepsawayfromunlockinggreatsavingsonyourprescriptiondrugs.SimplycompletetheformtoobtainyourFREESimpleSavingsCard.Or,youmayrequestacardbyphone.Tospeaktooneofourhelpfulteammembers,callusat800-451-0133.1、88．Thedetailsgivenonthisformmainlytellus________.A．howtheCardworks.B．howtheCarddiscounts.C．howtheCardcanbefree.D．howtheCardispurchased.2、90．WhichofthefollowingisadvisedtousetheCard?A．Theonewhohasnoinsuranceplan.B．Theonewhocanfindpharmaciesnearhim.C．Theonewhohasawideinsurancecoverage.D．Theonewhowantstousethecardwithhisinsurance.3、92．WhichistrueabouttheSimpleSavingsCard?A．Itishealthinsurance.B．Itisadiscountprogram.C．Itcanbeusedwithinsurancecar.D．Itisacceptedinhospitals.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）完形填空閱讀下面短文，從短文后各題所給的四個(gè)選項(xiàng)（A、B、C和D）中，選出可以填入空白處的最佳選項(xiàng)，并在答題卡上將該項(xiàng)涂黑。I'vealwayshadstrongopinionsofhowloveshouldbeexpressed,butothershadtheirownwaysofshowingcare.WhatIremembermostaboutvisitingmy__________parentsistheloudtickofthe_________inthediningroomaswe_________ateourmeal.Withsolittleconversationlwasquickto1hisfamilyascold.Whenwegotintothe_________togohome,hisfathersuddenlyappeared.________,hebegantowashhisson'swindscreen.Icouldfeelheisa2manthroughtheglass.I_________anotherlessonaboutloveafewyearslater.Ialwaysreturnphonecalls_________andregularlycontactmyfriends.I3thesamefromthem.ButIhadonefriendwh04Called,answeringmymessageswithshorte-mails.Irushedtothe_________:Shewasn'tagoodfriend!Myanger_________astheholidaysapproached.ButthenshecametoagatheringIhostedand5meabeautifuldressIhadfalleninlovewithwhenwedidsomewindow-shoppingthepreviousmonth.1was_________atherthoughtfulness,andregretfulfor_________I'dconsideredhertobeuncaring.ClearlyIneededto6myexpectationsoffriends.Fartoooften,Iignoredtheirunique7,eagerlyexpectingthemtodothingsinmy8.Overtheyears,however,I'velearnedto9otherpersons'lovesigns.1、A．ownB．boyfriend'sC．girlfriend'sD．father's2、A．clockB．tableC．platesD．dishes3、A．excitedlyB．nervouslyC．silentlyD．instantly4、A．regardB．treatC．getD．have5、A．busB．trainC．carD．plane6、A．PunctuallyB．CarefullyC．ProudlyD．Coldly7、A．coldB．caringC．toughD．strange8、A．understoodB．learnedC．taughtD．tried9、A．inorderB．inturnC．withoutdelayD．withoutdifficulty10、A．intendB．considerC．expectD．a(chǎn)sk11、A．regularlyB．rarelyC．evenD．still12、A．faithB．suggestionC．judgmentD．a(chǎn)pproval13、A．remainedB．failedC．grewD．quit14、A．handedB．boughtC．helpedD．offered15、A．depressedB．upsetC．fascinatedD．shocked16、A．howB．whatC．whyD．whether17、A．makeB．changeC．a(chǎn)ppreciateD．draw18、A．expectationsB．experiencesC．a(chǎn)dventuresD．expressions19、A．mannersB．skillC．meansD．way20、A．sendB．readC．giveD．express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）TheMid-AutumnDayisaveryimportanttraditionalfestivalinChina.Ittakesitsnamefromthefactthatit1．(celebrate)inthemiddleoftheautumnseason.TheMid-AutumnFestivalfallsonthe15thdayofthe2．(eight)lunarmonth.ThedayisknownastheMoonFestival,asatthattimeoftheyearthemoonisatitsroundestand3．(bright).Itisaneveningcelebrationin4．familiesgathertogetherandeatmooncakes.Besides,5．(make)thehousemorebeautiful,peoplewillhangredlanternsinfrontofit.Onthatday,peoplelookbackonthepastandlookforwardtothefuturetogether.Childrenwillplaywiththeirown6．(toy)andenjoythemselves.TheMid-AutumnFestivalcelebrationsdateback7．morethan2,000years.Theword“Mid-Autumn”first8．(appear)inthefamousancientbookZhouLi.However,itwasnotuntiltheearlyTangDynastythatpeoplecelebratedthedayasatraditionalfestival.Itbecamean9．(official)establishedfestivalduringtheSongDynasty,andhasbecomeaspopularastheSpringFestivalsincetheMingandQingDynasties.Celebrationshavecontinuedeversinceandmorecustomsfor10．(mark)thisoccasionhavebeenformed.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處語言錯(cuò)誤。每句中最多有兩處。每處錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏字符號(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)的詞下劃一橫線，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。WangLiismybestfriend.Sheisabitofshortandhaslonghairs.Shewearsglassesandlooksquietly.Wefirstmetinourmiddleschool.Afterfindingtheyhadmanythingsincommon,webecomefriends,oftenplayingandstudyingtogether.Beconsiderate,shewasalwaystheretosupportbuthelpmewheneverIwasinneed.However,shewenttoNanjingafterthelastexamination.Ithasbeenaboutoneyearafterwesaweachotherlasttime.Knowingthisishardtoliveinstrangecity,IwishshecouldbehappyinNanjing.第二節(jié)書面表達(dá)（滿分25分）29．（25分）假定你是李華，是學(xué)校戲劇社團(tuán)的負(fù)責(zé)人，準(zhǔn)備組織一場相聲匯演。請(qǐng)給你校外教MrSmith寫一封電子郵件，邀請(qǐng)他來觀看。內(nèi)容包括:1.相聲的簡要介紹；2.會(huì)演的時(shí)間和地點(diǎn)；3.期待回復(fù)。注意:1.詞數(shù)100左右；2.可以適當(dāng)增加細(xì)節(jié)，以使行文連貫。參考詞匯:相聲會(huì)演crosstalkperformanceDearMrSmith,______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yourssincerely,LiHua

參考答案第一部分（共20小題，每小題1.5分，滿分30分）1、D2、B3、D4、B5、C6、C7、D8、D9、D10、D11、C12、C13、A14、C15、D16、B17、C18、D19、B20、D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、1、C2、A3、B4、D22、Anewstudysuggeststhatwashingdishesbyhandishealthierthanusingadishwasher.Nobodylikesdoingthedishes,butitturnsoutthatdoingthistaskmightpayoffinanunexpectedway.AccordingtoanewstudypublishedintheJournalofPediatrics,washingdishesbyhandinsteadofusingadishwashermightpreventthedevelopmentofallergies(過敏).ResearchersinSwedensurveyedtheparentsof1,029childrenaged7and8.Theydiscoveredthatchildrenwhosefamilieshand-washedthedishesinsteadofusingamachinewerelesslikelytohaveallergies.Earlierresearchhasshownthatdisheswashedbymachinearecleanerthanthosewashedbyhand.Sowhywouldkidswhoeatoffofslightlydirtierplatesbebetteroffwhenitcomestopreventingallergies?Oneexplanationisbasedonatheoryknownasthe“hygienehypothesis”,whichsaysthereasonkidsdevelopallergiesisthattheirsurroundingsareactuallytooclean.Yourimmunesystemkeepsyouhealthybyfightinggerms(細(xì)菌)likebacteriaandviruses.Butwhenyouhaveallergies,itoverreactsandtriestofightordinarythingslikepollen