文昌中学2022-2023学年高考仿真卷英语试题含解析

2023年高考英语模拟试卷注意事项：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．Attheendofthehistoricarea，Wilmingtondisplayedits________asaworkingportcity：largeware­housesandafewotherdatedofficebuildings．A．achievement B．reputationC．character D．standard2．—Idroppedbyat6:00pmyesterdaybutfailedtoseeyouatyourhouse.—I________inagymatthattime.A．wasexercisingB．amexercisingC．haveexercisedD．hadexercised3．Theinfrastructureofacountryis________makeseverythingrunwell,includingthingsliketransport,irrigation,electricityandschools.A．whichB．thatC．whereD．what4．Thisrestauranthasbecomepopularforitswide______offoodsthatsuitalltastesandpockets.A．production B．offerC．range D．division5．Thepopularityofgovernmentpostshasdroppedinrecentyears,thoughthecivilservicejobsarestillfavoredbytheChineseastheyoffera_______stablecareer.A．relatively B．regularlyC．roughly D．rigidly6．Withthehelpofhightechnologyinthepastfewyears,electronicbusiness_______tobankindustryandtravelindustry..A．appliedB．haveappliedC．hasbeenappliedD．hadbeenapplied7．一WhichT—shirtdoyoulikebest?一．Theyarebothoutoffashionandexpensive．A．None B．Neither C．Any D．Both8．AccordingtoTheSun,Britishscientistshavesolvedtheancientriddleof________camefirst—chickenoregg?A．whoB．whatC．whichD．that9．Thosesuccessfuldeafdancersthinkthatdancingisanactivity________sightmattersmorethanhearing.A．whenB．whoseC．whichD．where10．Itwasjustatthetimethebellranghefinishedthelastwordinhiscomposition. A．when;which B．that;when C．when;that D．that;which11．———Itwasagreendinner._______———Thanks.Butitreallyonlytookanhour.A．Youmustbetired. B．Ienjoyeditverymuch.C．Youmusthavespentalldaycooking. D．Ihaveneverhaditbefore.12．Sometimessmilesaroundtheworld___________befalse,hidingotherfeelingslikeanger,fearorworry.A．can B．wouldC．should D．must13．Asitseconomyismaturing，China’s_________agreaterroleincriticalissueslikeclimateanddevelopment.A．definingB．assumingC．guaranteeingD．assuring14．--IhaveheardMr.Morganwillbehereat4:00pm.nextThursday.--No,he_______atthattime.A．wasboarding B．wouldbeboardingC．willbeboarding D．isboarding15．Everythingseemedtobegoing________forthefirsttwodaysafterIarrivedinNewYork.A．vividly B．generally C．frequently D．smoothly16．——Congratulationsonyourpromotion.Gooutfordinner,OK?——Good!__________,justyouandme.A．FollowmeB．MytreatC．MypleasureD．Allowme17．______property,we’reamongtherichestpeopleinthiscity．A．Insearchof B．Inspiteof C．Inplaceof D．Intermsof18．Heworkedinacarfactoryforfouryears,______hefoundedhisowncompanyinhishometown.A．afterwhich B．afterwhenC．afterthat D．afterit19．Aftersevenhours’drive,theyreached______theythoughtwastheplacetheyhadbeendreamingof.A．that B．whatC．where D．which20．Wepackedallthebooksinthewoodenboxes_______theywouldn’tgetdamaged.A．aslongasB．asifC．incaseD．sothat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）ThecostoflivingincountriesliketheU.S.,Britain,AustraliaorFrancehasskyrocketedinrecentyears.However,ifyou'rewillingtoleaveyourcountryandexplorelifeinotherareas,therearemanycountriesboastinganextremelycheapandlowcostofliving.Checkoutthefollowingcountrieswhenplanningyournextmove.EcuadorEcuadorissimilartotheUnitedStatesinmanyways,andasaresulthasbecomeapopularAmericangetaway.TheyevenusetheU.S.Dollarfortheircurrency.Inthiscountry,it'scheapertoeatouteverydaythancookforyourselfonabudgetintheU.S.Youcanevenbuyapropertyforaround$300andhiresomeonetotendtoitwhileyou'reawayMexicoAlthoughthecountryisknownforitspovertyriddenstreets,therearemanywealthierareasthatprovideeveryfacilityyoumightneed.Youcanliveoffamere$700to$800amonthinMexico,andthisincludesrentforaniceplace,facilities,food,andanysightseeing.ArgentinaArgentinahasbeenapopulartouristdestinationformanyyears.Ithasgreatrestaurants,arichhistory,andmanyplacestoexplore.Nottomention,it'snotveryexpensivetolivehere.Adecentsizedhomecancostaround$139000,whichisrelativelycheapinrelationtohomesintheUnitedStates.VietnamVietnamhasalsobecomeapopulartouristdestinationinrecentyears.Therearemanymilliondollarluxuryhomesbythebeach,butyoucanfindamodestfiatorsmallhomeforaround$230to$300ifyousearchintherightareas.1、HowmuchdoesittakeatleasttoliveinMexicoforayear?A．About$7000B．About$8000C．About$8400D．About$98002、WhatdoesArgentinaandVietnamhaveincommon?A．Theybothhavegreatrestaurants.B．Thecostoflivinginthemisbothexpensive.C．Themiddle-sizedhomesbothcostaround$139000.D．Peopleareallfondoftravellingtothetwocountries.3、Inwhichcountrydidthepurchaserprobablypayextramoneyafterheleft?A．EcuadorB．MexicoC．ArgentinaD．Vietnam22．（8分）TeenTourCampsatSummerCRock-N-WaterChristianCampsLotus,California,UnitedStatesDuration:4weeksFoundedin29,Rock-N-WaterisagroupofhighlytrainedChristianswhowanttoimpactyoungpeoplewiththejoyofGod’sLivingWord.Wefocusourprogramonbiblicalprinciples,andweusethehelpofnature,friendship,andchallengetodevelopcharacterandhaveridiculousamountsoffun.OdysseyExpeditions:CaribbeanRoadTown,TortolaDuration:3weeksOdysseyExpeditionsofferstropicalsailingandscubadivingadventuresforteenagers,withmarinebiology,watersports,andscubacertificationsatexcitingCaribbeanlocations.Establishedin35,OdysseyisthebestopportunitytosafelyexploretheCaribbeanaboardabeautifulsailingcatamaran.Noexperiencenecessary.Reserveyourspotbeforeavailability.Smallgroupsof9-12allowyoutohavethemostfun!TheG2AcademyGolfCampBluffton,SouthCarolinaDuration:variableThesummerprogramatG2isdesignedspecificallyforgirlsempoweringthemfortheirfuturesuccess.Studentscanjoinweeklysessionsorstaytheentiresummer!WhileparticipatingintheG2AcademySummerProgram,studentsreceiveG2ProprietaryTrainingingolf,mentaltoughness,physicalfitness,nutrition,andempowerment.Berklee’sAspire:MusicPerformanceIntensiveBoston,Massachusetts,UnitedStatesDuration:5weeksBerklee’sAspirewillgiveyouatasteofBerklee,thepreeminentinstituteofcontemporarymusicandtheperformingarts.Whetheryouareinmiddleschool,highschool,orbeyond,thereisaBerkleesummerprograminmusic,theater,and/ordanceforyou.You’llenjoyaccesstoBerklee’sstate-of-the-artfacilitiesasyoulearnfromfacultywhoaretheverybestatwhattheydo,joinedbystudentsfromallovertheworld.1、Whichtourcampdoyouneedtobookinadvance?A．TheG2AcademyGolfCamp.B．Rock-N-WaterChristianCamps.C．OdysseyExpeditions:Caribbean.D．Bcrklee’sAspire:MusicPerformanceIntensive2、WhatistheprimaryfocusforBerklee’sAspiretourcamp?A．Adventure. B．Sports.C．Music. D．Religion.3、WhatisuniqueabouttheG2AcademyGolfCamp?A．Itoffersscubacertifications. B．ItisbasedonChristianprinciples.C．Itrequiresnopreviousexperience. D．Itisintendedforgirlsonly.23．（8分）MykidsandIwereheadingintothesuperstoreovertheweekend．Ontheway，wesawamancoveredbyablanketandholdingasignthatsaid，"Lostmyjob．FamilytoFeed．"Atthisstore，asightlikethisisnotnormal．Itwasobviousthatthemanwasembarrassed，butdesperate．My10-year-oldnoticedhimandsaidhowbaditmustbetohavetostandoutsideinthecoldwind．Whilewewereinthestore，Iaskedeachofthekidstopicksomethingtheythoughtour"friend"outsidewouldneed．Theypickedacoupleofapples，apackageofbread，asandwich，somecheeseandabottleofjuice．Thenmy17-year-oldasked，"Canwegethimagiftcard？"Ithoughtaboutit．Wewerelowoncashourselves，but…well，sometimesgivingfromour"need"insteadofour"abundance（充裕）"isjustwhatweneedtodo!Allthekidsdeclaredsomethingtheycoulddoawaywithfortheweek．Wequicklycheckedout，withthefoodshecouldeatatthemoment，andagiftcardforthestore．Atthesuggestionofmy16-year-old，wealsoboughtahotcupofcoffee，andthendrovetotheendoftheparkinglot，whereour"friend"washoldinghissign．Wehandedhimthecoffeeandthebagoffood．Hethankeduswithwateryeyes．WhenIhandedhimthegiftcardandsaidhecoulduseitforwhateverhisfamilymightneed，heburstintotears，obviouslyoverwhelmedandgrateful．ThoughIwishedwecouldhavedonemore，Ican'thelpbutthinkabouthowthisexperiencehasbeensuchawonderfulopportunityforourfamily．Thefeelingofhelpingsomeoneelsehasaffectedthemall---theycannotstoptalkingaboutit，andforfourdaysnowhavebeensearchingforotherswecanhelp!ThingswouldhaveplayedoutsodifferentlyifIhadsimplysaid，"No，wereallydon'thavemoneytogivemore，"orsomethingtothateffect．Steppingoutnotonlyhelpedabrotherinneed，italsogavemykidsthe______tasteofhelpingothers．1、Whichistherightorderofwhathappenedinthestory？______a．Themanwasgratefulwithtears．b．Eachchildpickedsomefoodforthemaninthestore．c．Apoormanlosthisjobandaskedpeopleforhelp．d．Allkidsdidawaywithsomethingandgavehimagiftcard．e．Theysawthepoormanoutsidethesupermarketandtookpityonhim．A．c-e-b-d-aB．c-e-d-b-aC．e-c-d-b-aD．e-c-b-d-a2、Whatdoestheunderlinedword"it"inParagraph3mean？______A．givinghimsomefoodB．givingfromourabundanceC．givingfromourneedD．givinghimapostcard3、Thebestwordcouldbefilledintheblankinthelastparagraphshouldbe______．A．terribleB．sweetC．tiringD．hopeless4、Whatcanweinferfromthelastparagraph？______A．IfmotherhadsaidNO，thekidswouldhavehelpedinadifferentway．B．Theyhadhelpedmanypeoplebeforeofferingthispoormanhelp．C．Theywon'thelpmorepeoplebecausetheycan'taffordtodoso．D．Theywilltrytheirbesttohelpmorepeopleinthefuture．24．（8分）阅读理解Onthefirstdayofschoolourprofessorintroducedhimselfandchallengedustogettoknowsomeonewedidn'tknow.Ilookedroundwhenagentlehandtouchedmyshoulder.Iturnedaroundtofindawrinkled,littleoldladywithasmile.Shesaid,“Hi,handsome.MynameisRose.I'meighty­sevenyearsold.CanIgiveyouahug？”Ilaughedandenthusiasticallyresponded,“Ofcourseyoumay！”Shegavemeagiantsqueeze.“Whyareyouincollegeatsuchayoung，innocentage？”Iasked.“IalwaysdreamedofhavingacollegeeducationandnowI'mgettingone！”shetoldme.AfterclasswewalkedtotheStudentUnionbuildingandsharedachocolatemilkshake.Webecameinstantfriends.Everydayofthenextthreemonthswewouldleaveclasstogetherandtalknon­stop.Iwasalwayslisteningtothis“timemachine”asshesharedherwisdomandexperiencewithme.Overthecourseoftheyear,Rosebecameacampusicon(偶像)andsheeasilymadefriendswherevershewent.AttheendofthesemesterweinvitedRosetospeakatourfootballdinner.I'llneverforgetwhatshetaughtus.“Wedonotstopplayingbecauseweareold;wegrowoldbecausewestopplaying.Thereisahugedifferencebetweengrowingolderandgrowingup.Anybodycangrowolder.Thatdoesn'ttakeanytalentorability.Theideaistogrowupbyalwaysfindingopportunitiesinchange.Havenoregrets.Theelderlyusuallydon'thaveregretsforwhatwedid,butratherforthingswedidnotdo.Theonlypeoplewhofeardeatharethosewithregrets.”Sheconcludedherspeechbycourageouslysinging“TheRose”．Shechallengedeachofustostudythelyrics(歌词)andlivethemoutinourdailylife.Attheyear'sendshefinishedthecollegedegreeshehadbegunallthoseyears.OneweekaftergraduationRosediedpeacefullyinhersleep.1、Whathappenedtotheauthoronthefirstdayofschool?A．Hegottoknowanoldprofessor.B．Hemadetheacquaintanceofanoldlady.C．HejoinedtheStudentUnion.D．Hehadtoshareamilkshakewithothers.2、FromtheunderlinedsentenceinParagraph1,wecanfindouttheauthor's________.A．concernaboutageB．respectfortheoldC．curiosityabouttheladyD．complaintabouteducation3、Intheauthor'seyes，________.A．RosewasinnocentandgenerousB．RosewaswiseandskilledC．Rosewastalentedandhard­workingD．Rosewascourageousandherwordswereinspiring4、WhichsayingmightRosepossiblysupport________.A．Oneisnevertoooldtolearn.B．Afriendinneedisafriendindeed.C．Romewasn'tbuiltinaday.D．Itisnousecryingoverspiltmilk.25．（10分）AccommodationatUniversityCollegeCork,IrelandOn-campusaccommodationUCCCampusaccommodationismorethanjustaplacetoeatandsleep—itprovidessocial,culturalandsportingshopsandthechancetodevelopfriendshipsthatwilllastalifetime.Ouraccommodationservicesaredividedintoourtwoareasofoperation,onebeingthesafe,modernaccommodationforthosestudyingduringtheacademicyear.TheotheroneistheexcellentsummeraccommodationforholidayorsummercoursevisitorswhoareseekingwhatisaveryspecialenvironmenttostayinwitheverymodernconveniencebutdippedinhistoryandtheatmosphereofoneofEurope’soldestandmosthighlyregardeduniversities.RentalHousingThisiswherethestudentliveswithafamilyand1~5otherstudentsandyougetyourbreakfast,eveningmealandlightsupper.Ratesareavailableforbothsingleandsharedrooms,fivedaysorseven-dayboard.Pricesaresetandnolandladycanchargeoverthisagreedrate.Thisisaveryeconomicalandsafeaccommodationoptionandparticularlywellsuitedtofreshmen.ListsoflandladiesareavailablefreefromtheAccommodationOfficebypost,faxandemail.SharedStudentHousingAvailableroomsareadvertisedintheAccommodationOfficethroughouttheyear.Updatedlistsofthemareprovideddaily.Lifetimefriendshipiseasilydevelopedhere.LivingwithaLandlordUsuallythisprovidesmorematurestudentswithahighstandardofaccommodationatreasonablerents,usuallyalittlebelowthemarketprice.VacanciesareadvertisedintheAccommodationOfficethroughouttheyear.1、Whatisspecialabouttheenvironmentofon-campusaccommodation?A．Itbenefitsfreshmenalotduringholidays.B．ItisthemosthighlyregardedaccommodationinEurope.C．Ithelpsdevelopalifelongfriendshipbetweenroommates.D．Itisaperfectmixofmodernequipmentandhistoricalsurroundings.2、Whichisrecommendedtofirst-yearstudentsattheiruniversity?A．On-campusaccommodation.B．LivingwithaLandlord.C．SharedStudentHousing.D．RentalHousing.3、WhatdoweknowabouttheAccommodationOffice?A．Itdoesn’tdealwithrentsforstudents.B．Itservesstudentsandgetspaidforwhatitdoes.C．Itprovidesinformationontheaccommodationchoices.D．Itisseenasabridgebetweentheuniversityandstudents.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）Whichcomesfirst,happinessormoney?Arericherpeople1?And2,howdopeoplegetricher?Arecentstudycouldtellyoutheanswer.Thestudy3thousandsofteenagersandfoundthatthosewhofeltbetterabout4asyoungadults5tohavehigherincomesbythetimethey629.Thosewhowerehappiestearnedanaverageof$8,000morethanthosewhowerethemost7.Theresearchers,fromUniversityCollegeLondonandtheUniversityofWarwick,saythatverygloomy（沮丧的）teens,nomatterhowtallorsmarttheywere,earned10%lessthantheirpeers,8thehappieronesearned930%more.Happierteenagershaveaneasiertime10school,collegeandthejob11,12becausetheyalwaysfeelbetteraboutlife.Itmay13betruethathappierpeoplefinditeasiertomakefriends,whoareoftenthekeytohomeworkhelpornetworking.AreportinJunesuggestedthatprofessionalrespectwasmoreimportantthan14intermsofworkplacehappiness.InAugustscientistsannouncedthattheyhadfoundthe15forhappinessinwomen.Alas!Thesamegenedoesn’tappeartohave16effectonmen.AndinOctoberresearchersintheUKandintheUSannouncedthatpeoplewhoeatsevenportionsoffruitandvegetablesadayreportbeingthehappiest.Ifitisreallytruethathappierkids17beingwealthierkids,isitnecessaryforparentstogettheirkidstodothehomework?Thefactisthat18homeworkwillmakekidshappybutsurelyhurttheirgrades.Studiesdoshow,19,thatmoreeducation20better-paidjobs,whichmaygiveusadeepthought.1、A．busierB．saferC．happierD．braver2、A．ifnotB．ifsoC．ifanyD．ifever3、A．lookedaroundB．lookedintoC．lookedoutD．lookedthrough4、A．lifeB．timeC．moneyD．work5、A．attachedB．attainedC．attendedD．tended6、A．turnedB．grewC．wentD．got7、A．admirableB．fantasticC．delightedD．depressed8、A．whileB．whenC．asD．though9、A．rightnowB．uptoC．rightawayD．downto10、A．gettingdownB．gettingthroughC．gettingoutD．gettingover11、A．dramaB．interviewC．reviewD．schedule12、A．simplyB．justC．chieflyD．only13、A．evenB．alsoC．everD．once14、A．jobsB．dollarsC．friendsD．parents15、A．geneB．brandC．characterD．nature16、A．thebestB．thedifferentC．thesameD．themost17、A．comeupB．endupC．takeupD．turnup18、A．noB．norC．notD．few19、A．firstofallB．forallC．atallD．afterall20、A．existsinB．contributestoC．resultsfromD．relieson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）Awomanwhowasover50yearsoldhadsurvivedforsixdaysintheArizonadesertrecently,afterhercarunluckilyfell1．(foot)downavalley.Arizona'sDepartmentofPublicSafetysaidthatthewoman,2．namehasn'tbeenknownyet,managedtosurviveongrassandwateruntilshe3．(find)byacowboy,Dave,whowastrackingdowncattle.Thewoman,whowas4．(serious)injuredintheaccident,havingseveralofherribsbroken,hadtospendseveraldays5．(stay)inthecarbeforestrugglingouttoturn6．someoneforhelp.Shestoppedinadryriverbed500yardsfromthecar.Daveandaroadmaintenanceworkerdiscoveredthe7．(damage)carwhiletryingtocontrolacow,andthenfollowedapatternoffootprintstothewoman.What'seven8．(bad),shehadahead9．(injure)."Iwonder10．thewomancouldhavelivedanothernight,"Moralezsaid,"butduetotheiroutstandingefforts,herlifewasfinallysaved.”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交换修改作文，请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。每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。Whenwearehappy,wewouldlikeshareourhappinesswithothers,makingthemknowourenjoyment、Whenwearenotinagoodmood,wewantedtogetsomeonewhomcanlistentous、Bealistenerisnoteasy、Peoplealwayscomplainaboutourworries,andagoodlistenershouldlistentothembutlearntocomfortthem、Tobeagoodlistenercanhelpusmakegoodfriendwithothers、Theonewhoalwayslistentootherstendstobeeasy-going、Whenheisinthetrouble,hisfriendswillbewillingtohelphim、Solet’slearntobeagoodlistenerfromthenon、93第二节书面表达（满分25分）29．（25分）你是李华。某英文报社想了解你校高一新生入学来的学习生活适应情况，以下是你的调查报告，请将调查内容及个人观点用英文写信告诉报社负责人。60%的学生认为40%的学生认为我的观点1.高中学习并不轻松；2.科目难度大，课后作业多；3.没有时间参加锻炼等活动1.适应并喜欢高中生活；2.课程更有趣，活动更丰富，受益匪浅……注意:1.词数100左右，通知开头已给出，不计入总词数；2.文中不要提及真实的校名和人名；3.书写规范，卷面整洁。参考词汇:course课程；exercise锻炼；benefit对……有益；adaptto适应Dearsir,Recently,asurveyhasbeencarriedoutinourschoolwhetherthefreshmenhaveadaptedtothelifeinseniorhighschool.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,Lihua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、C2、A3、D4、C5、A6、D7、B8、C9、D10、C11、B12、A13、B14、C15、D16、B17、D18、A19、B20、D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、C2、D3、A22、1、C2、C3、D23、1、A2、C3、B4、D24、Everyday,peoplecomeintocontactwiththousandsofchemicals.Thesechemicalsaresaidtobeharmlesstohumanhealth.Infact，thechemicalsareconsideredsosafethatwewashwiththem.Weputthemonourbodiesandevenourfaces.Otherchemicalproductsareusedthroughoutourhomes.Bythetimeyouwalkoutofyourfrontdoor,youhavealreadybeenexposedtothousandsofchemicals.Onitsown,eachchemicalseemsharmless.Butincombinationwithotherchemicals,theymaybecomedeadly.Thatisthefindingofatwo-yearstudybyahigh-profiletaskforceofscientists.Thetaskforcewastoldtoinvestigatethecancer-causingpossibilityofchemicalmixtures.LindaGulliverwasoneof174scientistsonthetaskforce.Theirjobwastostudythecancer-causingpotentialof85chemicals.All85aresaidtobecommonintheenvironment.Ms.Gulliverexplainsthatchemicalshavethepotentialorytoformdangerousmixtures.Evensimplemineralscanbecomedangerouswhenmixedwithchemicalsfoundinplasticsorbeautyproducts.Workingingroups,thescientistsexploredhowdifferentchemicalmixturescouldleadtocancer.Ms.Gulliver’steamlookedattheabilityofdifferentcombinationstosupportthein-creaseofmalignant(恶性的)humancells.Shesaysthecurrentwaytoidentifywhetherchemicalscausecanceristotestthemoneatatime.Thismethodleads,sheadds,toalonglistofsupposedly“safe”chemicals.Sheandherteamsaythatapproachneedstochange.“Wedefinitelyneedcertainresearch…tofindoutwhatmixturesof