陕西省西安市长安区2023年高考英语押题试卷（含答案解析）

2023高考英语模拟试卷考生须知：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．They_______thebusinessdealinlessthananhour,afterwhichtheyhadagolfgame.A．wrappedup B．pickedupC．calledup D．tookup2．Itwasn'teasyhavingmyfriendstalkabouttheirfreshmanyears________Iwasn'tapartof．A．whom B．when C．that D．what3．Mymobilephoneismissing.Whoit?A．musthavetaken B．musttakeC．couldhavetaken D．couldtake4．Herdoctorindicatedthatevenaddinga(n)_____amountofdailyexercisewoulddramaticallyimproveherhealth.A．modest B．equalC．exact D．considerable5．Hewasstillfullofoptimismforthefuturedespitemanyproblems,andneveronce______himgetworriedorupset.A．Isaw B．IwouldseeC．didIsee D．wouldIsee6．Hawkingbelievestheearthisunlikelytobetheonlyplanet_____lifehasdevelopedgradually.A．that B．whyC．where D．whose7．Thereisnoreasontobedisappointed.________,thiscouldberatheramusing.A．Aboveall B．AsaresultC．Apartfromthat D．Asamatteroffact8．—Whatdoyouthinkofyourpreparationsforthefinalexams?—Notsogood.ActuallyIfeellike______forI’vemadelittleprogressinMaths.A．Danielinthelion’sden B．Achilles’heelC．agoodSamaritan D．asacredcow9．BathingcrabsareraisedintheYangchengLakeforatleastsixmonths，whichiswhatmakesthemauthenticand_____ahighprice．A．estimate B．fetchC．occupy D．predict10．Iftheythrowstonesatyou，don’tthrowback.Usethemtobuildyourownfoundation________.A．somehowB．anywayC．insteadD．nevertheless11．High­speedtrainswhichtravelthroughmyhometown________upto250kmperhourmakeitasmallworld.A．with B．againstC．at D．over12．Hotthenightairwas,wesleptdeeplybecauseweweresotiredafterthelongjourney.A．althoughB．whileC．asD．however13．________theconcerttoraisemoneyforhungerreliefandtomakethepublicawareoftheproblem,Geldofinvitedmanyfamousmusicianstotakepartinit.A．Intended B．Intending C．Havingintended D．Tointend14．Philipswon8goldmedalsattheBeijingOlympicGames,__________astonishedtheworld.A．that B．which C．what D．who15．Wecanneverexpect____bluerskyunlesswecreate____lesspollutedworld.A．a;a B．a;theC．the;a D．the;the16．Wemostprefertosayyestothe______ofsomeoneweknowandlike.A．attempts B．requestsC．doubts D．promises17．__________62%ofallluxuryconsumersalesinEuropein2015,shoppersfromtheChinesemainlandspent$7.2billionoverseasduringtheSpringFestival.A．Accountingfor B．AddingtoC．Consistingof D．Makingup18．—What’swrongwithyou?—Oh,Iamsick.I________somuchicecreamjustnow.A．shouldn’teat B．mustn’teatC．couldn’thaveeaten D．shouldn’thaveeaten19．Musictreatmentinvolvesaspecialistplayinganinstrumentorsing________thepatient’smood.A．bymeansof B．withregardtoC．inresponseto D．onaccountof20．—Doyouoftencomeheretohaveawalk?—No,only_________,becausewearemuchtoobusy.A．occasionallyB．eventuallyC．merelyD．frequently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）DarkSkyParksaroundtheWorldWarrumbungleNationalParkSituatedinthecentralwestslopesofNewSouthWalesisAustralia’sonlydarkskypark,Warrumbungle.TheparkhasservedasadarkskyparksinceJuly2016.Itscrystal-clearnightskiesandhighaltitudemakeitanatural,educational,andastronomicalheritagesiteinthesouthernhalfoftheearth.TouristscanuseAustralia’slargestopticaltelescopewithintheparkboundariestoviewtheauroras(极光)，theMilkyWay,andfaintshootingstars.SarkSarkisaChannelIslandnearthecoastofNormandyundertheprotectionoftheUK.ItwastheWorld’sFirstDarkSkyIslandsetupinJanuary2011.Itshistoricalandculturalblendattractsover40,000touristsannually.Withnomotorvehiclesandpubliclightingontheisland,thereisanexceptionalviewofthedarkskies.ArichMilkyWayisvisibleinthedarknightskiesfromtheshoresoftheisland.PicduMidideBigorrePicduMidideBigorreinFrancewasdesignatedasadarkskyparkinDecember2013makingitthesecondlargestdarkskyparkintheworld.Theparkcovers3.112squarekilometersspreadacrossthePyreneesNationalParkandUNESCO’sWorldHeritagesite,Pyrenees-MontPerdu.Theparkattractsoveronehundredstarwatcherseveryyear.TheObservatoryMidi-Pyrenees,whichwasbuiltin1870,isoneoftheworld’shighestmuseumsataheightof2,877metersabovesealevel.RamonCrater/MakhteshRamonRamonCraterisaunique1,100-square-kilometernaturereservelocatedintheNegevDesertinIsrael.In2017,theRamonCraterbecamethefirstdesignateddarkskyparkintheMiddleEast.Itslocation,roughclimate,andforbiddinglandscapethatarecharacteristicoftheNegevhavelargelydefeatedhistoricalattemptsforhumansettlement,makingitagreatplacetoviewthenightskies.Stargazersusuallycampinthedeserttohaveanuninterruptedviewofthestars,planets,andtheMilkyWay.1、Whichparkservesasaheritagesiteforastronomy?A．Sark.B．PicduMidideBigorre.C．WarrumbungleNationalPark.D．RamonCrater/MakhteshRamon.2、WhatdoweknowaboutSarkfromthepassage?A．Notasinglecarrunsthere.B．ItwasanislandbelongingtoNormandy.C．TheMilkyWaycanonlybeseenthere.D．Visitorsliketostayontheislandingroups.3、WhatmakesitdifficultforhumanstoliveinRamonCrater?A．Highaltitude. B．Thelargearea.C．Geographicalconditions. D．Culturalfeatures.22．（8分）Foryears,decadesinfact,I'vepuzzledovertheresponsemostpeoplehavewhenItellthemImostlytravelalone."You'resobrave!"Whyisitthatawomantravellingalone,asIhaveoftendoneformonthsatatime,isperceivedtobe"brave",whereasmenwhotravelaloneareentirelyunremarkable?Youareonlybravewhenyouareafraidofsomethingbutstilldoitanyway.Ihaveneverbeenafraidoftravellingalone.ThefirsttimeItravelledalonewaswhenIwas19.IwasduetotravelinEuropewithafriendattheendofthesummer.SheannouncedbylettertwodaysbeforeourdeparturethatshewouldbeleavingmehalfwayatVienna.Itwastoolatebythentoropeinanotherfriend,soitwaseithertogohomeafterVienna,orkeepgoingbymyself.Ikeptgoing.Igotontrainsbymyself,checkedintohostelsbymyselfandfoundmywayaroundbymyself.Itwasweirdatfirst,butlaterIstoppedworryingaboutit.WhenIgotbacktoIrelandafterthattrip,Ifeltproudofmyself.IhaddonesomethingIhadassumedwouldbehard,andithadturnedouttobenothardatall.Thatwasthreedecadesago,andsincethenIhavetravelledallovertheworld,usuallyonmyown.IstilldowhatIdidthen,whichistokeepadiary.ThegreatestgiftofsolotravelhasbeenthoseI'vemetalongtheway.ImayhavesetoffaloneeachtimebutI'veencounteredmanypeoplewhobecameimportanttome.ImetmyhusbandinKathmandu,Nepal.ImetlifelongfriendsinAustralia,Poland,Hungary,Turkey,India,Indonesiaandmanyotherplaces.1、Whatmakestheauthorpuzzledwhenshetellspeopleofherexperience?A．People'sdisbelief. B．People'sresponse.C．People'sapproval. D．People'scriticism.2、Whatdoestheauthorsayaboutherfirsttimetotravelalone?A．Itwasatripbydesign.B．Shehadtochoosetogobyherself.C．Itwasharderthanexpected.D．Shesetoffallalone.3、Whatdotheunderlinedwords"solotravel"inthelastparagraphmean?A．GroupTravel. B．Travellingwithfriends.C．Travellingalone. D．Travellingwithmusic.4、Howhastheauthorbenefitedfromhertravel?A．Shehasovercomeherfearoftravellingalone.B．Shehaswrittenacoupleofbooks.C．Shehasreceivedagreatmanygifts.D．Shehasmetmanypeoplealltheway.23．（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.24．（8分）It’s3o’clockandyou’vebeenhardatwork.Asyousitatyourdesk,astrongdesireforchocolateovercomesyou.Youtrytobusyyourselftomakeitgoaway.Butitdoesn’t.Hereisanothersituation.Perhapsyouarenotfeelingwell.Theonlythingyouwanttoeatisabigbowlofchickensoup,likeyourmumusedtomakewhenyouweresickasachild.Foodcravingsareastrongdesireforaspecifictypeoffood.Andtheyarenormal.ScientistsatthewebsiteHowStuffWorkscomparehungerandcravingsthisway.Hungerisafairlysimpleconnectionbetweenthestomachandthebrain.Theyevencallitsimply“stomachhunger”.Whenourstomachsburnupallofthefoodwehaveeaten,ahormone(激素)sendsamessagetoonepartofthebrainformorefood,whichregulatesourmostbasicbodyfunctionssuchasthirst,hungerandsleep.Thebrainthenproducesachemicaltostarttheappetiteandyoueat.Hungerisafunctionofsurvival.Acravingismorecomplex.Itactivatesbrainareasrelatedtoemotion,memoryandreward.Thesearethesameareasofthebrainactivatedduringdrug-cravingstudies.Becauseofthis,somescientistscallfoodcravings“mindhunger”.Peopleoftencravefoodsthatarehighinfatandsugar.Foodsthatarehighinfatorhighinsugarproducechemicalsinthebrain.Thesechemicalsgiveusfeelingsofpleasure.Ina2007study,researchersatCambridgeUniversityfoundthatdietingorrestrictedeatinggenerallyincreasesthepossibilityoffoodcravings.So,themoreyoudenyyourselfafoodthatyouwant,themoreyoumaycraveit.However,fasting(禁食)isabitdifferent.Theyfoundthateatingnofoodatallforashortperiodoftimelessenedfoodcravings.So,thenexttimeyoucravesomethingveryspecific,knowthatyourbrainmaybemoretoblamethanyourstomach.1、Whatisthefunctionofthefirstparagraph?A．Todeepentheunderstandingofhunger.B．Toleadtothetopicofthewholepassage.C．Toreportthediscoveryofcravingstudy.D．Toremindreadersoftheirownspecialfood.2、Whatdowelearnaboutfoodcravings?A．Itmeansthestomachfunctionswell. B．Itensuresapersonsurviveshunger.C．Itshowsfoodislinkedtofeelings. D．Itprovesthebraindecidesyourappetite.3、What’sthelikelyresultofdieting?A．Theincreaseoffooddesire. B．Thedecreaseofchemicals.C．Therefusaloffatandsugar. D．Thedisappearanceofappetite.4、Whatdoesthepassagemainlydiscuss?A．Thefindingsoffoodcravings. B．Whathungerisallabout.C．Thefunctionsofbrainareas. D．Whatdietingmaybringus.25．（10分）“Ineverwantedtocomeonthisstupidhikingtrip!”Jeff’svoicewaspanickedHisfatherstoppedandturnedtolookattheboy.“Thisishardonyou,son.Butyou’vegottocomethroughwithyourcourage.”“ButIamscared!”Jeffshouted.“Pleasehaveenoughloveforyourbrothertothinkthisthrough!”Hisfatherreplied,“Wejustdon'thavethetimetostop.AndIdon'tknowifIcanmakeitwithoutstoppingeverysooften.Whileyou'reonlyten,you'restrongandfast.Doyourememberthewaybackfromheretotheroad,ifyouhadtogoalone?”Jeffflashedbacktothepainfulsceneofhisseventeen-year-oldbrotherMarkattheircampsite.He’dbeenbittenbyasnakeduringaroughhike.Heneededmedicalattentionrightaway.Worsestill,theircellphonewasdead.“Jeff?CouldyoumakeittoFlintwithoutme?Youcangethelpthere.”Jeffnodded,saidgoodbyetohisfatherandcontinuedclimbingovertherocks.Therocksandbranchesthreatenedhisfootingandspeed,butstonebystone,hemadehiswayupthevalley.Jeffturnedandmadethefinalclimbing-uptowardtheroad.Whenhereachedit,herestedhimself,breathless.“Can'tstop,”hethought.“Mark’sinbigtroubleKeepgoing.”Justashepulledhimselfupright,atruckspedby,headingforFlint"Hey!”heshoutedexcitedly,wavingbotharms.Thetruckstopped,"Jumpin,boy!What’sup?"Thedriverasked,Jeffgotinandexplained.Immediatelythedriverreachedforhiscellphone.“Help!Help!Bettergetthehelicopterinthere,”heseemedtobeshoutingintohishand.ButJeffwasn’tsureaboutthatbecauseeverythinggotunclearandthenwentblackandquiet.Hourslater,Jeffopenedhiseyestofindhimselfinahospital,withhisfathernearby.HisfathertoldhimthatthehelicopterairliftedMarktothehospitalandhewouldbefineinafewdays.Hisfatherhikedhimselfoutofthatvalleyandtookaridefromsomeonetothetown.“You’reahero,son,”hisfatherfinallysaidwithasmile.“YousavedMark.”1、Jeffhadthegreatestdifficultyin.A．defeatinghisfeartoaskforhelpaloneB．facingthepossibilityoflosinghisfather'srespectC．climbingtherock-coveredhilltogettothetopD．findingsomeonetotakehimtothetownofFlint2、WhathelpedJeffovercomethedifficultiesinthetrip?A．TheideatoprovehimselfB．TheeagernesstosavehimselfC．TheloveforhisbrotherD．Therequirementofhisfather3、WhathappenedtoJeffwhenthetruckdrivercalledforhelp?A．Hefellasleep.B．Helostconsciousness.C．Hegotoutofthetruck.D．Hewasoutofbreathbecauseoftiredness.4、HowdidJeff’sfatherprobablyfeelaboutJeffintheend?A．HewasproudofJeff.B．HefeltsorryforJeff.C．HewasinspiredbyJeff.D．HewasdisappointedwithJeff.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）WhenJuliewasachild,shewasaverybigfanofanimals.Asaresult,1sheeverheardgrowingupwas“Julie,youshouldbeavet.You’regoingtobeagreatvet.That’swhatyoushoulddo.”2whenshegottotheOhioStateUniversity,shestartedstudyingtobeavet.Ascholarshipallowedhertospendher3yearstudyingabroadinManchester,England.Awayfromthefamily4backhome,shefoundherselfonedaysittingatherdesk,surroundedbybiologybooksandstaringoutthewindow,whenitsuddenlyhither:“I’mintotal5Idon’twanttobeavet!”6shethoughtbackoverallthethingsshe’ddoneinherlifeandwhathadmadeherhappy.Andthenithither—itwasalloftheyouthleadershipconferencesthatshehadvolunteered7,andthecommunicationsandleadershipcoursesshehadtakenaselectivecoursesbackatOhioState.“HowcouldIhavebeenso8?HereIaminmyfourthyearatschoolandjustfinallyrealizingI’monthe9path.Ijustnevertookthetimeto10ituntilnow,”shethought.Inspiredbyhernew11,JuliespenttherestofheryearinEnglandtakingcoursesincommunicationsandmediastudies.When12toOhioState,shewaseventuallyableto13theadministrationtolethercreateherownprogramin“leadershipstudies”,14ittookher2yearslongertofinallygraduate.She15tobecomeaseniormanagementconsultantinleadershiptraininganddevelopmentforthePentagon.She16foundedadrug-preventionorganizationthat17themessage“Leadyourownlifewiththeskillandthe18tosayno.”So,neverlivesomeoneelse’s19Ifyoulimityour20onlytowhatseemspossibleorreasonable,youdisconnectyourselffromwhatyoutrulywant.1、A．which B．all C．that D．where2、A．So B．But C．Or D．For3、A．final B．usual C．next D．past4、A．routines B．warnings C．complaints D．pressures5、A．confidence B．silence C．misery D．surprise6、A．Perhaps B．Instead C．Then D．Often7、A．of B．with C．on D．at8、A．internal B．innocent C．intellectual D．intelligent9、A．clear B．wrong C．short D．wide10、A．acknowledge B．accomplish C．include D．criticize11、A．discovery B．information C．understanding D．research12、A．returning B．referring C．relating D．responding13、A．prepare B．convince C．forbid D．force14、A．as B．if C．once D．though15、A．hesitated B．failed C．retired D．continued16、A．still B．again C．also D．only17、A．leaves B．promotes C．confirms D．acquires18、A．will B．chance C．fact D．pride19、A．promises B．decisions C．successes D．dreams20、A．choices B．reasons C．smiles D．mistakes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）Fay:Ican’tdecide1．toaskmysontoattendauniversityhere,orallowhimtomovetoanothercitytogotoschool.Mark:Whatdoeshewanttodo?Fay:He’snotsure.Thereisanexcellentpre-lawprogram(法律预科课程)atauniversityinTroy,butthat’sthreehoursaway.Well,helikes2．ideaofstudyingthere,buthehasfriends3．willstayhere,andhisgirlfriendmaystayhere,too.Mark:Ha,ha.Iforgot4．complicatedthesedecisionscanbe!WhenIwenttocollege,theonlythingmyparentsandItookinto5．(consider)wastheprogram.Fay:Iknow!Thesedaysyoungpeoplehavesuchinvolvedsociallives!Maybe6．wouldbegoodforhimtogototheschoolatTroy.Hereallywantstostudylaw,andhisgradesareexcellent.I’msurehe7．(accept)there.Mark:Thatsoundslikeagoodplan.He’llgrowupalot8．(fast)ifhemovesaway,youknow!AndIknowyoursonwillalwaysstay9．touchwithhisparents.He’safineyoungman!Fay:Thanks,Mark.Ialwaysappreciate10．(talk)toyou.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上英语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。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。DearMsSmith,I’mwritingtoaskwhetheryoucoulddomefavor、I’vejustfinishedanessaynaming“DifferencesbetweentraditionalChineseandWesternfestivals”,soI’mnotsurewhetheritiswellwritten、Tobehonestly,I’mnotthatfamiliarwithsometraditionalWesternfestivals、That’sbecauseI’mturningtoyouforhelp、I’dappreciateitifyoucouldsparesometimetolookintomyessayforpossiblemistakesandpolishthem、Also,I’mlookingforwardtoyourvaluableadvices、Myessayhasbeensendingtoyoualongwiththisemail、Ihopeitwon’tcauseyoutoomuchmoretrouble、Thankyouinadvance、Yourssincerely,LiHua第二节书面表达（满分25分）29．（25分）假如你是李华，你的美国朋友Jenny来信说她想在暑假期间来中国学习汉语并对中国戏剧也感兴趣。请你用英语给她回信，提供一些建议。内容包括:1.参加汉语学习班等；2.观看京剧专场演出；3.你对她中国之行的愿望。注意:1.词数100左右；2.可以适当增加细节，以使行文连贯。_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

2023学年模拟测试卷参考答案（含详细解析）第一部分（共20小题，每小题1.5分，满分30分）1、A2、C3、C4、A5、C6、C7、D8、B9、B10、C11、C12、C13、B14、B15、A16、B17、A18、D19、C20、A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、A3、C22、1、B2、B3、C4、D23、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…tofi