福建省龙岩第一中学2021-2022学年高一下学期英语第二次月考试题（Word版带答案）

龙岩一中2024届高一下学期第二次月考高一英语（学科）试题（满分：150分时间：120分钟）第一部分听力(共两节,满分30分)第一节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1Whatisthemandoing?A.Askingfordirections.B.Offeringhelp.C.Givingadvice.2.What’sJim’sproblem?A.Healwaysforgetsthings.B.Heisoftenlate.C.Heisnotpatient.3.Whatdoesthemando?A.Heisaworker.B.Heisastudent.C.HeisanEnglishteacher.4.Whyisthewomanmoving?A.Thereistoomuchnoisefromherneighbor.B.Shewantsaflatwithapiano.C.Herpresentflatistooexpensive.5.Howmuchdidthewomangivethemanasatip?A.$8.50.B.$5.00.C.$1.50.第二节(共15小题；每小题1.5分，满分22.5分)听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C 三个选项中选出最佳选项。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料，回答第6、7题。6.Whatimpressedthewoman?A.Theanimals.B.Theclock.C.Thetower.7.Whatisthemanconcernedabout?A.Thetravelingtime.B.Thelackofwarmclothes.C.Thecostoftheevent.听第7段材料，回答第8至10题。8.Wheredoestheconversationprobablytakeplace?A.Atthegym.B.Atagrocerystore.C.Atarestaurant9.Howmuchwillthemanpayforbeef?A.$5.B.$10.C.$15.10.Whatisthemanlookingfornow?A.Bread.B.Milk.C.Eggs.听第8段材料，回答第11至13题。11.Whatistheprobablerelationshipbetweenthespeakers?A.Studentandteacher.B.Motherandson.C.Brotherandsister.12.WhatdoesthemanwanttodoatTyler’shouse?A.Playbasketball.B.Attendaparty.C.Prepareforanexam.13.Whatwillthemanprobablydofirst?A.Cleanhisroom.B.Dothedishes.C.Leaveforhisfriend’shouse.听第9段材料，回答第14至16题。14.Whywon’tthespeakersgotoOceanBeach?A.It’stoocrowded.B.It’stoofar.C.It’stoocoldthere. 15.Whendidthespeakerslastgotothelake?A.Lastweekend.B.Beforetheyweremarried.C.Whentheywerefirstmarried.16.Whatwillthewomanprobablydonext?A.Finishsomepaperwork.B.Packforthetrip.C.Dosomewashing.听第10段材料，回答第17至20题。17.Whatdoweknowaboutthespeaker’smother?A.Shehascoronavirus.B.Sheisamemberofhospital.C.Shecan’tcomehomeoften.18.Whatdoesthemotherdoafterworktokeepthefamilysafe?A.Sheusesaseparateentrance.B.Shestaysclosetoeveryone.C.Shedoesn’ttalkwithanyone.19.Howdoesthespeakerfeelabouthismother?A.Scared.B.Proud.C.Indifferent.20.Whatisthespeakermainlytalkingabout?A.Hisfamily.B.Hismother’scareer.C.Hisworriesaboutmom.第二部分阅读(共两节,满分50分)第一节(共15小题;每题2.5分,满分37.5分)阅读下列短文，从每题所给的四个选项中，选出最佳选项，并在答题卡上将该项涂黑。ADifferentcountrieshavedifferenttippingcustoms.Whenyoutravel,youneedtoknowhowtotipinthecountrythatyou’rein;otherwiseyou’llleaveserversangryeverywhereyougo.Herearejusta fewguidelinestotippingaroundtheworld.BrazilTherewillalwaysbeastandard10%servicechargeaddedtoyourbill,andyouwon’tnecessarilyhavetotip.Ifyoudofeellikebeinggenerous,anextra5-10%willreallymakeyourserververyhappy.Justremembertodothisasskillfullyaspossible—Braziliansdon’tmakeabigshowofthis.DubaiInDubaiit’saruleforrestaurantstocharge10%tiponallrestaurantandbarbills.Youcanaddacoupleofdirhams（迪拉姆,货币单位）tothisifyoufeellikeit.WaitersarenotpaidverymuchinDubai,soitisalwaysveryappreciated.GermanyGermanbarsandrestaurantswillincludethetipaspartofwhatyouowe,butthat’snotallyouhavetopay.Itisacustomtoroundthebillupafterthat,usuallytotheeuro.Thiscanbeanywherefrom5-10%.Whenit’stimetosettleup,youwon’tgetabill:yourwaitertellsyouthetotalandthenyoutellthemhowmuchyouwanttopay,includingyour“tip”,andhandoverthemoney.CzechRepublicWhilelocalsintheCzechRepublicdon’tleavetips,thatdoesn’tmeanyou’reoffthehook.Foreigntouristsaredefinitelyexpectedtoleavesomekindoftipforservice—aslongasyou’reinahightouristtrafficarea,likePragueforinstance.Thestandardtipis10%.IndiaIfyouliketheservice,goaheadandtipyourserver5-10%.Youhavetoadjustthatamountthough,basedonhowbigthemealyou’reeatingis.Ifthebillisforasmallmeal,andtotalslessthan300rupees,tipthefull10%.Ifthebillishigher,tiptowardsthe5%.1.Inwhichcountrydocustomershavetotipatleast10%fortheservice?A.DubaiB.IndiaC.GermanyD.CzechRepublic2.Whichcountryhasdifferenttipculturesbetweencitizensandforeigners?A.DubaiB.GermanyC.IndiaD.CzechRepublic3.Ifyourbillis2000rupeesinIndia,itisproperforyoutotip________rupees.A.10B.80 C.120D.200【1~3题答案】【答案】1.A2.D3.CBAlvinBamburgwasdeepinthewoodswhensomethingcaughthiseye.AsBamburgapproached,hefounditwasabrokenballoonwithanote:“DearSanta,mynameisLuna.Iamfouryearsold.IliveinLiberal,Kansas.ThisyearIhavebeennice.Iwouldlikecandy,Frozendoll,dog.Withlove,Luna.”Bamburgfelthisheartbeatquickened.Eversincehewasachild,hehaddreamedofthis.“Yearsago,”hesays,“classesatschoolreleasedballoonswithnotes.I’vealwayswantedtofindone.”Hebelievedthiswashischildhoodwishcomingtrue.AndheknewhewouldmakeLuna’swishcometruetoo.OnJanuary2,2021,BamburgpostedaphotooftheballoonandtheChristmaslistonhisFacebookpage,askingforhelplocatingthesender.Atfirst,hewasn’tconfidentthestrategywouldwork.Butashesawthenumberofpeoplesharinghispostincreasebythehundreds,“Myhopegrewintoexpectations,”Bamburgsays.Ataroundthesametime,LeticiaFlores,themotheroffour-year-oldLuna,hadnoideathatsuchaneffortwasunderway.OnedaylastDecember,LunahadanideaofsendingletterstoSantabyballoon.Floreshelpedherwritetheletters,putthenotesintofestiveredballoonsandtookheroutsidetoreleasethewishes.OnedayinearlyJanuary,Floresgotacallfromafriend,saying“SomeonefoundLuna’sballoon.”“It’sunbelievable!”Floressays.ShewasmorethantouchedwhenBamburgdrove600milestosendadogandothergiftstotheminApril.BamburgwashappyanddecidedtoattendaSantaClaustrainingschool,hopingtobringfuntomorekids.4.WhatdidAlvinBamburg’sdreamofsincechildhood?A.Havingsomeballoonssenttothesky.B.Havinghisownwishrealizedbyballoons.C.Pickingupaballoonwithwishesonanote.D.Makingothers’wishescometrueinperson.5.Whatdotheunderlinedwords“suchaneffort”inparagraph4mean? A.SharingLuna’swishes.B.MakingaChristmaslist.C.Collectinglikesforthepost.D.FindingoutwhereLunalives.6.WhichoffollowingbestdescribesAlvinBamburg?A.Confident.B.Responsible.C.Caring.D.Creative.7.What’sthetextmainlyabout?A.AspecialNewYeargift.B.Kindnessfromastranger.C.Aballoon’smagicjourney.D.ThegreatfunctionofFacebook.【4~7题答案】【答案】4.C5.D6.C7.BCFouryearsago,morethan700computerscientistscompetedinacontesttobuildanartificialintelligence(AI)thatcouldpassan8th-gradescienceexam.Theyallflunked.Eventhemostdevelopedsystemcouldn’tscorehigherthan60pointsonthetest.AIcan’tmatchthelanguageandlogic(逻辑)skillsthatstudentsareexpectedtohavewhentheyentermiddleschool.Later,asystemnamedAristowasdevelopedbytheAllenInstituteforArtificialIntelligence,alabintheUS.Itrecentlypassedan8-gradescienceexamtakenbymanyUSstudents,theNewYorkTimesreported.Itcorrectlyansweredmorethan90%ofthequestions.Thenitwasgivena12th-gradeexamanditscoredmorethan80points.Aristowasabletopasstheexambecauseitcannotonlyunderstandlanguagebutalsouselogicalthinkingtosolvedifficultproblems.Forexample,itcanunderstandwhataforestfireisandhowitcouldaffectanimalslikerabbits.TheAristosystemusedBert,akindoftechnologydevelopedbyGoogle,toanswerthequestions.Berthas“read”thousandsofWikipediaarticlesandbooks.Ifitlooksatasentencewithamissingword,itcancorrectlyguesswhatthewordis.WiththehelpofBert,Aristohas“read”alotofsciencequestionsandanswers.Overtime,itwasabletofindlogicalpatterns(模式)onitsown.Aristo’ssuccessmeansthatAIsystemsaregettingbetteratunderstandinglanguageandevenrespondtolanguage.However,wecan’tcomparethistechnologytorealhumanstudentsandtheirlogicalability,saidJingjingLiu,aMicrosoftresearcher,whohasbeenworkingonsimilartechnologies. 8.Whichofthefollowingcanreplacetheunderlinedword“flunked”inthefirstparagraph?A.Failed.B.Passed.C.Missed.D.Improved.9.WhywasAristodeveloped?A.Tohelpstudentsdowellinexams.B.ToimprovethelogicalskillsofAI.C.Tohelpmakeschooltestsmorescientific.D.ToshowATSabilitytosolvescienceproblems.10.Whatisthepurposeofthethirdparagraph?A.ToshowwhatelseAristocando.B.TotellwhatAristocanlearnonitsown.C.ToexplainhowAristolearnstosolveproblems.D.Tointroduceanotherachievementintechnology.11WhatdoJingjingLiu’swordsshow?A.AIisnotasdevelopedasitmightseem.B.Humanscan’tlivewithoutAIinthefuture.C.AIwillsoonreplacehumansinmanytasks.D.Aristo’slogicalabilitystillneedsimproving.【8~11题答案】【答案】8.A9.B10.C11.DDTattoos(纹身)arebecomingmoreandmorecommon.Buttheyarenotanewthing.Scientistshavefoundsomefrozenbodiesfromaround3,000BCandtheirskinshowsthemarksoftattoos.Forexample,Otzi,theIceman(theoldestbodyeverfound),wasdiscoveredinthemountainsofAustria.Hehadmanydifferentlinesandcrossestattooedonhisbackandhisknees.Themostcommonplacestogettattoosarethetopsofthearmsformenandthebottomsofthebacksforwomen.Anymarkcanbeusedbuttherearesomecommonideas.Somepeopleliketogetanimals,likedragons,birdsandtigers.Otherpeopleliketogetsomethingwritteninaforeignlanguage,soChineseandJapanesewordsarecommoninAmericaandtheUK.Ifyoucan’treadthelanguage,makesureyougetsomeonetocheckwhattheyrepresentbecausethetattooartistcould writeanythingandyouwouldneverknow.Itisabigdecisiontogetatattoobecausetheyareverydifficulttoremove.Itispossiblewithexpensivelasersurgery(激光手术)butthisisverypainfulandamazinglyexpensiveandtheskinwillneverbeperfectafterwards.Youwanttodoatest,toseehowyoulookwithatattoo,youcangetatemporarytattoowhichdisappearsafteraboutamonth.ThiskindisverypopularinIndia,wherepeopleoftenhavethemforfestivals.Insomecountries,suchasJapanandKorea,tattoosarestillconnectedwithlaw-breakingactivitiesanditisn’tnormaltoseeatattooinpublic.InmanyplacesofEuropeandAmerica,mostpeopledon’tcareverymuchwhetheryouhaveatattooornot,thoughtherearesometypesofjobwheretheydon’tliketattoos.ButsomePresidentsoftheUSAhavehadthem.12.Whatcanweknowabouttattoosfromthefirstparagraph?A.Somefrozenbodieswere3,000yearsold.B.Tattoosappearedearlyinhumanhistory.C.TheIcemanwasthefirstmantohavetattoos.D.Peopleinthepastlikeddifferentlinesandcrosses.13.Whyshouldwebecarefulwhenwegettattoosoflanguages?A.Becausetattoosarehardtoremove.B.Becausetheplacestogettattoosarelimited.C.Becausethemeaningsoftheforeignwordsareimportant.D.Becausetheeducationalleveloftattooartistsisunreliable.14.Whyaretemporarytattoosgettingpopular?A.Itisnotdifficulttoremovethem.B.Theyhelpmakepeople’sskinperfect.C.Peoplecanhavealasersurgerytogetthem.D.Theyplayanimportantroleinsomefestivals.15.Whatdoesthelastparagraphtellus?A.Itisimpolitetoshowtattoosinpublic.B.TheJapanesearenotallowedtogettattoos.C.PresidentsoftheUSAsupportpeopleingettingtattoos.D.TattoosareacceptedmoreeasilyinsomeWesterncountries. 【12~15题答案】【答案】12.B13.C14.A15.D第二节(共5小题;每题2.5分,满分12.5分)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Mostpeoplesuffersomedegreeofanxietywhenpreparingforatest.Thiscanrangefromamildnervousfeelingtoafullpanicattack.Whateveryourlevelofanxietyis,learningtoreduceitisveryimportanttostudyeffectivelyforatest.____16____.Theywillbenefityourgradesandyouroverallmentalhealth.____17____Inordertomakeyourstudymosteffective,youneedtoattendclassregularly,takegoodnotes,doyourhomework,andbeanactivestudent.Ifyouhavedonethese,youarealreadywayaheadofstudentswhohavenotbeendoingthis.LeaveyourselfareasonabletimeforstudyingDon’twaituntilthenight,beforeatesttostartreviewing.____18____.Youwillbecrunchedfortime,youwillnothavetimetoaskquestionsorfindlostinformation,likelytofeelextremelynervous,orbeinanotherbadsituation.Insteadofwaitinguntilthelastminute,startstudyingassoonasatestisscheduled.StayactiveExerciseisagreatwaytoweakenanxiety.Itreleasesendorphinsthatwillelevateyourmood.Itwillalsodistractyourmindfromthetestandstudying.Soyourbrainwillhaveachancetorelaxandrefreshitself.____19____Haveagoodrest____20____.Committogettingafull8hoursofsleepormoreeverynight.Thiswillensurethatyourbrainhasbeenproperlyrested,andyoucanstartstudyingwithafreshmind.A.Relaxingisasimportantasstudy.B.ItislikelytoincreaseyouranxietyC.SleepshortageisanothercauseofanxietyD.YouneedsomewaystoovercomeyouranxietyE.Rememberyouhavealreadylearnedtheinformation F.Fortunately,thereareseveralstepsyoucantaketoreduceanxietyG.Anynumberofphysicalactivitieswillhelpyoureduceyouranxiety【16~20题答案】【答案】16.F17.E18.B19.G20.C第三部分语言运用(共三节,满分45分)第一节(共15小题;每小题1分,满分15分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空格处的最佳选项。I’msittingattheairportwatchingpeopleinthelastminutesbeforetheirlovedonesarriveordepart.Awomanisrunningincirclestryingtogatherfamilymemberstogetherfora____21____.Whenthefinalmomentcomesbefore____22____,shewrapsherarmsaroundherson,givinghimapowerfulhugthatshouldprotecthimuntilshe____23____.Isitwithabookinmyhands,waitingformyturntoleave,alone,becausetheonesIlovehaveadifferent____24____frommine.Ithinkofotherdeparturesandarrivals.I____25____seeingmydaughter.Iwrappedmyselfaroundherasifshe’dbeen____26____.Thatyearshewasinherfirstyearatuniversity,cominghomeforthefirsttime.Todaymyflightistwohourslate.Whenmyflightisfinallycalled,Igathermybookandluggage.____27____thereisnoonetoseemeoff,IdonotlookbacktoseewhereIhavecomefrom.____28____,Ithinkofmyhusbandatwork____29____ifIhaveleftyet.AsIheadtowardstheplane,Ifindmyselfrememberingyetanotherarrivalanddeparture.Thatyear,my91-year-oldgrandfatherdied.Afterreturningfromhisfuneral,Iarrivedattheairport_____30_____.Myhusbandofonlyayearwaswaitingatthegatetotakemeinhisarms.Becauseofmytears,_____31_____waslookingatus,butIdidn’t_____32_____.Lifeneedstheimportant_____33_____allthetime.Iwishthatallthepeoplewhowentona_____34_____couldcomebacktofindsomeone_____35_____them.Ialsowishtheycouldleavewithsomeonetoseethemoff.21.A.lectureB.goodbyeC.dinnerD.party22.A.gatheringB.boardingC.announcingD.landing 23.A.leavesB.survivesC.returnsD.recovers24.A.scheduleB.attitudeC.positionD.target25.A.imagineB.enjoyC.recallD.consider26.A.stolenB.cheatedC.lostD.punished27.A.AlthoughB.WhileC.TillD.Since28.A.HoweverB.BesidesC.InsteadD.Therefore29.A.doubtingB.askingC.predictingD.wondering30.A.shoutingB.cryingC.laughingD.whispering31.A.someoneB.everyoneC.noneD.anyone32A.careB.respondC.scoldD.flee33.A.arrivalB.chanceC.departureD.moment34.A.journeyB.dietC.picnicD.holiday35.A.worryingaboutB.smilingatC.talkingofD.waitingfor【21~35题答案】【答案】21.B22.B23.C24.A25.C26.C27.D28.C29.D30.B31.B32.A33.D34.A35.D第二节(共10小题;每小题1.5分,满分15分)阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。TheUnitedKingdomhasalongand____36____(interest)historytoexplore,____37____canhelpyouunderstandmuchmoreaboutthecountryanditstraditions.AlmosteverywhereyougointheUK,you____38____(surround)byevidenceoffourdifferentgroupsofpeoplewhotook____39____atdifferenttimesthroughouthistory.Thefirstgroup,theRomans,cameinthefirstcentury.Someof____40____(they)greatachievementsincludedbuildingtownsandroads.Next,theAnglo-Saxonsarrivedinthefifthcentury.TheyintroducedthebeginningsoftheEnglishlanguage,andchanged____41____waypeoplebuilthouses.TheVikingscameintheeighthcenturyand____42____(leave)behindlotsofnewvocabulary,andalsothenamesofmany____43____(locate)acrosstheUK.ThelastgroupweretheNormans.TheyconqueredEnglandafterthewell-knownBattleofHastingsinthe11thcentury.Theyhadcastles____44____(build)allaroundEngland,andmadechangestothelegalsystem.TheNormanswereFrench,somanyFrenchwords____45____(slow)enteredintotheEnglishlanguage. 【36~45题答案】【答案】36.interesting37.which38.willbesurrounded39.over40.their41.the42.left43.locations44.built45.slowly第三节(共5小题;每题3分,满分15分)根据所给的中文完成句子翻译，并将其答案写在答题卡的相应位置。46.在线社区和社交网络已改变了人们的生活。（现在完成时的被动）（汉译英）【46题答案】【答案】People’sliveshavebeenchangedbyonlinecommunitiesandsocialnetworks.【47题答案】【答案】ItishighlyimportanttobridgethedigitaldivideandmakesurethateveryonehasaccesstotheInternet.【48题答案】【答案】Aphotoofherhadbeenpostedonlineandshewasbeingmadefunof.49.同属于联合王国的这四个国家在某些领域紧密合作。（定语从句）（汉译英）【49题答案】【答案】ThefourcountriesthatbelongtotheUnitedKingdomworktogetherinsomeareas.50.宁静的风光，青山连绵起伏，牛羊点缀其中，堪称一场名副其实的视觉盛宴。（with+宾语+宾补）（汉译英）【50题答案】【答案】Thepeacefullandscapeisatruefeastfortheeyes,withitsrollinggreenhillsdottedwithsheepandcattle.第四部分写作(满分25分)51.阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事（词数120）“WereyouMark’smathteacher?”Oneday,anoldmancametomyofficeandasked.Inodded.“Marktalkedaboutyoualot.Iwanttoshowyousomething,”hesaid,takingawalletoutofhispocket.“Theyfoundthisonhimwhenhewaskilledinthebattle.Wethoughtyoumightrecognizeit.” Openingthewallethecarefullyremovedtwowornpiecesofnotebookpaperthathadobviouslybeentapped,foldedandrefoldedmanytimes.IknewwithoutlookingthatthepapersweretheonesonwhichIhadlistedallthegoodthingseachofMark’sclassmateshadsaidabouthim.Andthathappened20yearsago.MarkwasinthethirdgradeclassItaught.All34ofmystudentsweredeartome,butMarkwasoneinamillion.Veryneatinappearance,hehadthathappy-to-bealiveattitudethatmadeevenhisoccasionalmisbehaviordelightful.Markalsotalkedwithoutstopping.Itriedtoremindhimagainandagainthattalkingwithoutpermissionwasnotallowed.Whatimpressedmesomuch,though,wasthesincereresponseeverytimeIhadtocorrecthimformisbehaving.“Thankyouforcorrectingme,sister!”Ididn’tknowwhattodowithitatfirstbutbeforelongIbecameusedtohearingitmanytimesaday.OnemorningmypatiencewasrunningoutwhenMarktalkedoncetoooften.Imadeanewteacher’smistake.IlookedatMarkandsaid,“Ifyousayonemoreword,Iamgoingtotapeyourmouthshut.”Itwasn’ttensecondslaterwhenChuckshouted,“Markistalkingagain.”Ihadn’taskedanyofthestudentstohelpmewatchMark,butsinceIhadstatedthepunishmentinfrontoftheclass,Ihadtoactonit.Paragraph1:Iwalkedtomydeskandtookoutarolloftape.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Paragraph2: OnedayIdecidedtodosomethingdifferentwhenMarktalkedagaininclass.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【51题答案】【答案】Onepossibleversion:Paragraph1：Iwalkedtomydeskandtookoutarolloftape.Verydeliberately,IproceededtoMark’sdesk,toreofftwopiecesofthetapeandmadeabigXwiththemoverhismouth.Ithenreturnedtothefrontoftheroom.AsIglancedatMarktoseehowhewasdoing,hewinkedatme.Istartedlaughing.TheentireclasscheeredasIwalkedbacktoMark’sdesk,removedthetapeandshruggedmyshoulders.Hisfirstwordswere,“Thankyouforcorrectingme,sister.”Paragraph2：OnedayIdecidedtodosomethingdifferentwhenMarktalkedagaininclass.IaskedtheotherstudentstothinkofthegoodthingstheycouldsayaboutMarkandwritethemdown.ThenIlistedthemonaseparatepieceofpaper.ThenextdayIgaveittoMark.“Really?”BeforelongIheardhimwhispering.Thepaperdidwork.Marklistenedmoreandmorecarefullytomyinstructionfromthatdayon.“Thankyousomuchfordoingthat,”theoldmanbroughtmebackdowntoearth.“Asyoucansee,Marktreasuredit,”headded.ThatwaswhenIfinallycried.听力答案：1-5.ABBAC6-10.CABAA11-15.BCACC16-20.BBABC