浙江省湖州、衢州、丽水2023学年高三第二次调研英语试卷（含解析）

2023学年高考英语模拟测试卷注意事项：1．答题前，考生先将自己的姓名、准考证号填写清楚，将条形码准确粘贴在考生信息条形码粘贴区。2．选择题必须使用2B铅笔填涂；非选择题必须使用0．5毫米黑色字迹的签字笔书写，字体工整、笔迹清楚。3．请按照题号顺序在各题目的答题区域内作答，超出答题区域书写的答案无效；在草稿纸、试题卷上答题无效。4．保持卡面清洁，不要折叠，不要弄破、弄皱，不准使用涂改液、修正带、刮纸刀。第一部分（共20小题，每小题1.5分，满分30分）1．Housepricesareusuallymuchhigher________therearesubwaystationsaround.A．where B．unless C．while D．though2．Wildswans’________intheareaisagoodindicationofabetterenvironment.A．exhibition B．escapeC．absence D．appearance3．Willitbeages______hegoesbacktoschool?I'msoworriedabouthim.A．before B．afterC．when D．as4．Thewholenationisstrugglingtoworkoutaninexpensive______effectivesolutiontosmog.A．yet B．still C．or D．though5．_______withallsortsofaffairs,themanagerhadlittletimetohaveagoodsleep.A．Occupying B．BeingoccupiedC．Occupied D．Havingoccupied6．,hetalksalotabouthisfavoritesingersafterclass.A．Aquietstudentashemay B．QuietstudentashemaybeC．Beaquietstudentashemay D．Quietashemaybeastudent7．Takingonlinereadingintoconsideration,wecanchallengetheassumption____readingforpleasurecontinuestodecrease.A．whether B．that C．where D．when8．—Doyouknowwhytheteacherasksforme?—Hewantsyouto________yourabsencelastnight.A．accountfor B．callforC．sendfor D．reachfor9．Infact，mostofuswouldtheconsequencesofstupiddecisionstakenbyothers.A．handle B．solve C．follow D．suffer10．Enterourprize______andwinabreakinaNationalTrustholidaycottageofyourchoiceanywhereinthecountry.A．draw B．search C．match D．collection11．Youdon’tneedaninvitationtohelpothers.Givehelp_____youareasked.A．ifB．asC．thoughD．before12．---Youlookhappytoday.Isthereanythinggood?---I’mverydelighted______asoneoftheexchangestudents.A．tochoose B．tohavebeenchosenC．choosing D．havingbeenchosen13．Whenyouareabsorbedinabookorsimplytryingtorest,itseemsthatthephone______continuously,destroyingyourmomentarypeace.A．rings B．hasbeenringing C．rang D．isringing14．---Hi,Betty,areyoufreeatpresent?Ihavetoaskyouforafavor．----_____．Withpleasure．A．Sorry,Iambusy B．GoaheadC．Helpyourself D．Ask,please15．______forthefreetickets,Iwouldnothavegonetoseefilmssooften.A．Ifitisnot B．HaditnotbeenC．Wereitnot D．Iftheywerenot16．--Hello,Kate.Howisyourweekendathome?--Awful!YouknowitisthefirsttimeI____aloneathome,boredtodeath.A．hasleft B．hadleft C．hadbeenleft D．havebeenleft17．Tomisproudand________,neveradmittingheiswrongandalwayslookingforsomeoneelsetoblame.A．strict B．stubbornC．sympathetic D．sensitive18．Mostofthemoneyforthereconstructionofthequake-strickentownhasbeenallocatedbythegovernment,therest______fromthecomingcharityconcerts.A．tobecollected B．havingbeencollectedC．beingcollected D．tohavebeencollected19．Myfriendwarnedme______goingtotheEastCoastbecauseitwascrowdedwithtourists.A．by B．against C．on D．for20．Whichdoyouprefer,teaorcoffee?—_______.Ireallydon’tmind.A．Both B．None C．Neither D．Either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）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.22．（8分）Machinesmightonedayreplacehumanlaborersinanumberofprofessions,butsurelytheywon'teverreplacehumanartists.Right?Thinkagain.Notevenourartistswillbesafefromtheinevitablemachinetakeover,ifanewdevelopmentinartificialintelligencebyateamofresearchersfromRutgersUniversityandFacebook'sA．I.laboffersaclueofwhat'stocome.TheyhavedesignedanA．I.capableofnotonlyproducingart,butactuallyinventingwholenewaestheticstylessimilartomovementslikeimpressionismorabstractexpressionism,reports.Theidea,accordingtoresearcherMarianMazzone,wastomakeartthatis"novel,butnottoonovel."Themodelusedinthisprojectinvolvedageneratornetwork,whichproducestheimages,andadiscriminatornetwork,which"judges"whetherit'sart.Oncethegeneratorlearnshowtoproduceworkthatthedistributorrecognizesasart,it'sgivenanadditionaldirective:toproduceartthatdoesn'tmatchanyknownaestheticstyles."Youwanttohavesomethingreallycreativeandstriking—butatthesametimenotgotoofarandmakesomethingthatisn'taesthetically（美学地）pleasing,"explainedAhmedElgammal.Theartthatwasgeneratedbythesystemwasthenpresentedtohumanjudgesalongsidehuman-producedartwithoutshowingwhichwaswhich.Totheresearchers'surprise,themachine-madeartscoredslightlyhigheroverallthanthehuman-producedart.Ofcourse,machinescan'tyetreplacethemeaningthat'sinfusedinworksbyhumanartists,butthisprojectshowsthatartistskillsetscertainlyseemduplicatablebymachines.Whatwillittakeformachinestoproducecontentthat'sinfusedwithmeaning?ThatmightbethelastA．I.frontier.Humanartistscanatleasthangtheirhatsinthatfield...fornow."Imaginehavingpeopleoverforadinnerpartyandtheyask,‘Whoisthatby?’Andyousay,‘Well,it'samachineactually’.Thatwouldbeaninterestingconversationstarter,"saidKevinWalker.1、Whatisimpliedinthefirstparagraph?A．Artistswon'tbereplacedbyAI.B．AIcanproducenewstylesofart.C．AIistotallyatalossaboutimpressionism.D．AIfailstoreflectabstractexpressionism.2、WhatdidMarianfindinhisstudy?A．AIcancopytheskillsofartists.B．AIcancombinecontentwithmeaning.C．AIcanmakeartaestheticallyunpleasant.D．AIcanpleasehumanjudgeswithitsart.3、Whatdoestheunderlinedphrase“hangtheirhats”mean?A．Discover.B．Hold.C．Struggle.D．Survive.4、WhatKevinsaidinthelastparagraphtellsusthat_____.A．sheusesmachinestocookforapartyB．shelikestojoininadinnerpartyC．sheexpectsthearrivalofAID．shecaresaboutthestarterofachat23．（8分）IwasdelightedtoreceiveacopyofMarieCurieandherDaughtersbyShelleyEmlingthroughmyletter-boxafewweeksago.Actuallysciencehasneverreallybeenmy“thing”.AtschoolIreallystruggledwithphysicsandchemistryandwasmuchhappierinEnglishLanguageorHistoryclasses.Mymindisnotstructuredenoughtounderstandhowscienceworks,I’mabitofadaydreamerandpreferusingmyimaginationratherthanlearningfacts,figuresandformulae(公式).OfcourseIknewwhoMarieCuriewas,hergreatachievements,hercontributiontoscience,tomedicaladvancesandinfluenceontheworld,butotherthanthat,Ireallyhadverylittleideaaboutherlife.ShelleyEmlinghasbasedthisbookonMarieCurie’srelationshipwithhertwodaughters,IreneandEve.ThebookbeginsaftertheearlydeathofPierreCurie,whenMarieislefttocarryontheworkthattheystartedasacoupleandtobringuphertwosmalldaughtersalone.EmlinghasconcentratedherbookonthecommunicationbetweenMarieandherdaughters.Shewasnotanoverly-protectivemother,nordidshehesitatetospendtimeawayfromherdaughters,yetthisdidnotweakentheirrelationship.Mariewasacaringandlovingmother,whoencouragedherdaughterstobecomeindividuals,toachievewhattheywantedto.MarieCurieandherhusbandmadethedecisionnottoprofitfromtheirdiscoveries.ItwasbecauseofthisthatMariehadtodependondonationstocarryoutherwork,andthatshehadtocarryouttoursoftheStates.IwasveryimpressedbyEmling’swritingstyle—shehastoldthestoryofthreeextraordinarywomenwhowerewayaheadoftheirtimeinaninterestingandveryreadablemanner.1、Whatisthewritergoodat?A．Physicsandchemistry.B．Facts,figuresandformulae.C．EnglishandHistory.D．Daydreaming.2、WhatisMarieCurielikeintheeyesofIreneandEve?A．Shemakesapetofthemlikebabies.B．Sheavoidsstayingawayfromthem.C．Sheencouragesthemtobuildtheirowncharacters.D．Shewantstobeinvolvedineveryareaoftheirlife.3、WhydidMarieCurietourtheStates?A．Becauseshemeanttomakeherselfafamousperson.B．BecauseshewishedtointroducethemedicaladvancestopeopleintheU.S.A．C．Becausesheneededmoneytobringuphertwosmalldaughtersbyherself.D．Becauseshedecidedtocontinueherworkwithoutmoneymadefromdiscoveries.4、ThebookwrittenbyShelleyEmlingfocuseson________.A．theconnectionbetweenMarieCurieandherdaughtersB．thecontributionsMarieCuriemadetotheworldC．theresearchworkofMarieCurieandherhusbandD．thedecisionmadebyMarieCurieandherhusband24．（8分）MarkElliotZuckerbergwasbornonMaythe14th,1984.HeisthecreatorofthesocialmediasiteFacebook.Hewasastarstudentatschool,winningprizesinastronomy,mathsandphysics.HewasalsogoodatClassicalstudies.HestudiedPsychologyandComputerScienceatHarvardUniversity,whichiswherehecreatedFacebook.HisinventionledtohisbecomingTimemagazine’sPersonOfTheYearfor2010.Zuckerbergexcelledineverythinghedidinhisyouth.Hewascaptainoftheschoolfencingteam,spokemanylanguagesandwasahighlyskilledcomputerprogrammer.Whileotherkidsplayedcomputergames,hedesignedthem.Hecreatedhisfirstnetworkwhileinhighschooltoconnectallofthecomputers-inhisfather’sdentalsurgery.HealsobuiltamediaplayerwhichattractedtheinterestofMicrosoftandAOL.ZuckerbergstartedatHarvardinSeptember2002.Inhisfirstyear,hecreatedFacemash,aFacebookpredecessor(前身),whichletstudentsselectthecollege’sbestlookingpeoplefromaselectionofphotos.HelaunchedFacebookfromhisHarvardroominFebruary2004.Itwasthestartofarollercoasterridethatwouldconnecthalfabillionpeopleworldwideandmakehimtheworld’syoungestbillionaire.MarkZuckerbergisnowoneofthemostinfluentialpeopleontheplanet.HehasdinedwiththepresidentoftheUSAandregularlyattendsglobaleconomicsummitsandtechnologyconferences.Hestated:“ThethingIreallycareaboutisthemission,makingtheworldopen.”In2010,Zuckerbergsignedapromise,inwhichhepromisedtodonateatleasthalfofhislifewealthtocharity.1、Theunderlinedword“excelledin”canbereplacedby________.A．wasaddictedto B．didwellinC．wasabsorbedin D．lookedforwardto2、The2ndparagraphismainlyaboutyoungZuckerberg's________.A．advantagesinsports B．computerprogrammingabilityC．brilliantperformanceinmanyfields D．greatattractiontoMicrosoftandAOL.3、WhendidZuckerberginventFacebook?A．In1984 B．In2010C．In2002 D．In20044、Whatcanweinferfromthetext?A．Zuckerbergbuilthissocialmediasiteaftergraduatingfromuniversity.B．Zuckerberg’sFacebookpredecessorhelpedhimbecomeworldfamous.C．Zuckerberg’sdonationmadehimTimemagazine'sPersonOfTheYearfor2010.D．Zuckerbergisnotonlyanintelligentcomputergiantbutalsoakindbillionaire.25．（10分）BabiesmadefromthreepeopleapprovedinUKBabiesmadefromtwowomenandonemanhavebeenapprovedbytheUK’sfertilityregulator.Thehistoricandcontroversialmoveistopreventchildrenfrombeingbornwithdeadlygeneticdiseases.DoctorsinNewcastle—whodevelopedtheadvancedformofInVitroFertilizationorIVF(人工授精)—areexpectedtobethefirsttooffertheprocedureandhavealreadyappealedfordonoreggs.Thefirstsuchchildcouldbeborn,attheearliest,bytheendof2017.Somefamilieshavelostmultiplechildrentoincurablemitochondrial(线粒体的)diseases,whichcanleavepeoplewithinsufficientenergytokeeptheirheartbeating.Thediseasesarepasseddownfromonlythemother,soatechniqueusingadonoreggaswellasthemother’seggandfather’sspermhasbeendeveloped.TheresultingchildhasatinyamountoftheirDNAfromthedonor,buttheprocedureislegalandreviewssayitisethical(伦理的)andscientificallyready.“Itisadecisionofhistoricimportance,”saidSallyCheshire,chairwomanoftheHumanFertilisationandEmbryologyAuthority(HFEA).“I’msurepatientswillbereallypleasedbywhatwe’vedecidedtoday.”Butsomescientistshavequestionedtheethicsofthetechnique,sayingitcouldopenthedoortogenetically-modified(转基因)‘designer’babies.TheHFEAmustapproveeveryclinicandeverypatientbeforetheprocedurecantakeplace.Three-personbabieshavebeenallowedonlyincaseswheretheriskofachilddevelopingmitochondrialdiseaseisveryhigh.ProfMaryHerbert,fromtheNewcastleFertilityCentre,said,“Itisenormouslypleasingthatourmanyyearsofresearchinthisareacanfinallybeappliedtohelpfamiliesaffectedbythesedevastatingdiseases”.“Nowthatwearemovingforwardtowardsclinicaltreatments,wewillalsoneeddonorstodonateeggsforuseintreatmenttopreventaffectedwomentransmittingdiseasetotheirchildren.”ProfSirDougTurnbull,thedirectoroftheWelcomeCentreforMitochondrialResearchatNewcastleUniversity,said,“Wearedelightedbytoday’sdecision.Wewillalsoprovidelong-termfollowupofanychildrenborn.”NHSEnglandhasagreedtofundthetreatmentcostsofthefirsttrialofthree-personIVFforthosewomenwhomeettheHFEAcriteria,aslongastheyagreetolong-termfollowupoftheirchildrenaftertheyareborn.1、Whyisithistoricallyimportanttoapprovebabiesmadefromthreepeople?A．Ithelpscoupleswholosetheabilitytogivebirthtoababy.B．Itmarksafoundationstonetochangebabies’appearancesbeforebirth.C．Itstopsdeadlygeneticdiseasespassingdowntonewly-bornbabies.D．ItturnsouttobeanadvancedformofInVitroFertilization.2、WhichofthefollowingisTRUEaboutmitochondrialdiseases?A．Theypassdownontobabiesfromtheirparents.B．Theypreventpeople’sheartfromfunctioningnormally.C．Somechildreninfectedcanbecuredwithpropertreatment.D．Babiescanbeinfectedwiththemthroughadonor’segg.3、Howcanaclinicorapatientbeapprovedofapplyingthethree-personbabytechnique?A．Onlywhenthebabytobebornneedsittosurvive.B．Onlywhenthepatientgetsfinanciallyprepared.C．Onlywhentheclinicgetsscientificallyready.D．Onlywhenthetechniqueisethnicallyaccepted.4、Whatistheauthor’sattitudetowardstheapprovalofbabiesmadefromthreepeople?A．Supportive B．Indifferent C．Worried D．Objective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）Formany,justtakingpartinasinglemarathonistheachievementofalifetime.ButforJulieWeiss,ithasbecomea1routine.Shehasrun52marathons-onceaweek-forthepastyearinmemoryofherdadwho2just35daysafterhewas3withpancreaticcancer(胰腺癌)．WhenJulieWeisslostherfatherin2010,shewas4tofindtheresearchforpancreaticcancerissoshortoffund."Itmademefeel5”shesaid,“IknewIhadtodosomething."Sothismarathonqueen,6shecallsherself,didwhatshedidbest:Shewentrunning.Havingcompleted25marathonsduringthe7twoyears,Julienowvowed(发誓)torun52marathonsin52weeksin8ofherfather.Afteraskingpeopleto9moneyforeachmarathon,she10awebsite,marathon,tocollectmoneyforthePancreaticCancerActionNetwork(PANCAN),anonprofitorganization.raceevery11insomecityacrossNorthAmerica.12leavingworkat5p,m.onFridayshewouldbereadytobeginthenextrace,beforeshe13hometoCaliforniaonSunday.Juliefinishedherl,362.4-milejourneyinMarch2013,14morethan$200,000intheprocessforPANCAN.Whilerunning,shestucktoastricttrainingschedule."Mybody'sgettingusedtothis.I'mchangingmydiet,becomingmorehealthyandlearningtorunmore15."shesaid.Whenhermusclesbeganto16,shekepther17inmind."Whenyoudowhatyoulove,forthoseyoulove,thatiswherethe18happen.Togetherwecanmakea(n)19,andpavethewayforahappy,healthy,cancerfreelife."shesaid.1、A．weekly B．monthly C．daily D．yearly2、A．passedby B．passedaway C．diedoff D．diedout3、A．connected B．diagnosed C．treated D．dealt4、A．inspired B．exhausted C．interested D．shocked5、A．desirable B．helpless C．hopeful D．wishful6、A．while B．what C．as D．since7、A．previous B．precious C．present D．precise8、A．search B．need C．honor D．place9、A．pay B．donate C．make D．earn10、A．setup B．madeup C．heldup D．brokeup11、A．experiment B．stage C．road D．journey12、A．day B．morning C．weekend D．weekday13、A．At B．By C．With D．On14、A．parted B．left C．headed D．missed15、A．raising B．earning C．spending D．wasting16、A．merrily B．efficiently C．specifically D．casually17、A．swell B．stress C．burn D．ache18、A．strength B．relief C．motivation D．interest19、A．miracles B．accidents C．challenges D．events20、A．offer B．sacrifice C．promise D．difference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）Teachingrobotstodothesimplestthings1．(be)bothdifficultandtime-consuming.But2．computerscienceteamattheUniversityofMarylandatCollegeParkisworkingtohelprobotsperformbetterbyusingexperiencefrom3．(they)pastactions.Forinstance,theysaysmartphoneswillbeable4．(analyze)thesituation.Ifyou'retryingtofigure5．yourlocation,youcantakeapictureofyour6．(surrounding)andtheequipmentwilltellyouwhereyouare.Anotherdramaticchangeisrobots'eyes.Scientistssay,theyarenotjustplayingcamerasanymore,butalsodynamicvisionsensors7．respondtomovementandlight.Themechanismbehinditworks8．(similar)tothoseofhumaneyesendingnon-stopsignalstotheroboticbrainthatgetsrecordedandstored,9．(form)theequivalentofliveexperience.Andscientistssaythatbringsrobotsalot10．(close)tohumans.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：在错的词下画一横线，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限一词；2.只允许修改10处，多者(从第11处起)不计分。Alittlekidfellintothelakewhileshewasplayingwithherlittlefriends.Theyweretoofrighteningtoknowwhattodonext.Unfortunately,aprettyladyandamanpassedbyandsawthedrowninggirl.Themanimmediatedivedintothewaterandtookthegirltothebankatasametime.Theladycalledtheambulanceontime.Beforetheambulancecame,thelady,whoprovedtobeanurse,performingfirstaidtothekid.Afewofminuteslater,thekidsenttothenearesthospitalandfinallysaved.Thestoryisagoodexamplewherefirstaidcanmakealotofdifferences.Fromit,weknowitisnecessarytoknowbasicfirstaidskillssothatwecanbebetterpreparingforanemergency.第二节书面表达（满分25分）29．（25分）假设你是红星中学高三学生李华。你的英国好友Jim打算暑假期间来北京、天津和上海旅游，发来邮件询问相关信息。请你给他回复邮件，内容包括：1.交通出行；2.必备衣物。注意：1.词数不少于50；2.开头和结尾已经给出，不计入总词数。DearJim,________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua

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、D3、A4、A5、C6、B7、B8、A9、D10、A11、D12、B13、D14、B15、B16、D17、B18、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、Everyday,peoplecomeintocontactwiththousandsofchemicals.Thesechemicalsaresaidtobeharmlesstohumanhealth.Infact，thechemicalsareconsideredsosafethatwewashwiththem.Weputthemonourbodiesandevenourfaces.Otherchemicalproductsareusedthroughoutourhomes.Bythetimeyouwalkoutofyourfrontdoor,youhavealreadybeenexposedtothousandsofchemicals.Onitsown,eachchemicalseemsharmless.Butincombinationwithotherchemicals,theymaybecomedeadly.Thatisthefindingofatwo-yearstudybyahigh-profiletaskforceofscientists.Thetaskforcewastoldtoinvestigatethecancer-causingpossibilityofchemicalmixtures.LindaGulliverwasoneof174scientistsonthetaskforce.Theirjobwastostudythecancer-causingpotentialof85chemicals.All85aresaidtobecommonintheenvironment.Ms.Gulliverexplainsthatchemicalshavethepotentialorytoformdangerousmixtures.Evensimplemineralscanbecomedangerouswhenmixedw