2025屆湖南省衡陽(yáng)市重點(diǎn)名校高三第一次模擬考試英語(yǔ)試卷含解析

2025屆湖南省衡陽(yáng)市重點(diǎn)名校高三第一次模擬考試英語(yǔ)試卷考生須知：1．全卷分選擇題和非選擇題兩部分，全部在答題紙上作答。選擇題必須用2B鉛筆填涂；非選擇題的答案必須用黑色字跡的鋼筆或答字筆寫(xiě)在“答題紙”相應(yīng)位置上。2．請(qǐng)用黑色字跡的鋼筆或答字筆在“答題紙”上先填寫(xiě)姓名和準(zhǔn)考證號(hào)。3．保持卡面清潔，不要折疊，不要弄破、弄皺，在草稿紙、試題卷上答題無(wú)效。第一部分（共20小題，每小題1.5分，滿(mǎn)分30分）1．IamabetterreaderthisyearthanIwaslastyearbecauseI________tohundredsofnewconceptsandideas.A．haveexposedB．hadbeenexposedC．havebeenexposedD．wasexposed2．Whetherthebuildingsinthisareashouldbepulleddownhasremained____；peoplearestilllookingforotherpossiblesolutions.A．unchallenged B．relevantC．controversial D．contradictory3．_____thatitwassoldoutwhenitcameout. A．Sowashersuccessfulbook B．Sosuccessfulwasherbook C．Soherbookwassuccessful D．Sosuccessfulherbookwas4．Wedidhaveaquarrelaboutmoneylastnight，butnowwehavealready_____________.A．takenup B．putupC．madeup D．broughtup5．Thedoctor’streatmenthasworkedmarvels:thepatienthascompletely．A．repeated B．returned C．recovered D．reminded6．Theyaredeterminedtogointothedarkcave,________mywarningofdanger.A．regardlessofB．becauseofC．a(chǎn)partfromD．insteadof7．Weallsighedwith________reliefwhen________planefinallylandedsafely.A．a(chǎn);/ B．/;theC．a(chǎn);a D．a(chǎn);the8．Followingthegirl,wewentintoahall;on__________wallshungafewpicturesofsomefamousscientists.A．itsB．whichC．whoseD．those9．---DoyouknowwhatTomdoesallday?----IknowhespendsatleastasmuchtimewatchingTVashe____________hislessons.A．isdoing B．does C．spendstodo D．doesdoing10．Howlongdoyousupposeitis________________hearrivedandbegantoworkthere？A．when B．beforeC．a(chǎn)fter D．since11．Everygreataccomplishmentrestsontheofwhatcamebeforeit;whenyoutraceitback,you’llseeonesmallstepthatstarteditall.A．reputationB．expectationC．recreationD．foundation12．ifIhadarrivedyesterdaywithoutlettingyouknowbeforehand?A．Wouldyoubesurprised B．WereyousurprisedC．Hadyoubeensurprised D．Wouldyouhavebeensurprised13．ThemainissueattheAPECmeetingwasaclimate-changeplan_____byAustralia’sHowardandbackedbyBush.A．putout B．putoffC．putaway D．putforward14．Thisbookissaidtobeaspecialone,asit____manyeventsnotfoundinotherhistorybooks.A．writes B．prints C．covers D．reads15．Runningisoftentiringandalotofhardwork,butnothing________thefeelingyougetafterfinishingalongworkoutaroundthetrack.A．breaks B．blocksC．bonds D．beats16．Doyouknowthat______chairmanofthemeetinghasannouncedthatMrHodgehasbeenmade______managerofthisfactory?A．the,the B．/,the C．the,/ D．a(chǎn),a17．Eversincethenewparkwasopenedtothepubliclastmonth,I______awalkiniteverymorning.A．a(chǎn)mtaking B．takeC．havetaken D．havebeentaking18．Manypeoplecomplainedaboutthestoneslyingonaroad,but_______didanythingaboutgettingthestonesoutoftheway.A．both B．noone C．none D．a(chǎn)ll19．Lifeteachesusnottoregretoveryesterday,forit________andisbeyondourcontrol.A．passed B．willpassC．haspassed D．hadpassed20．Takethenoteasareminder______youforgottobuysomesweetsforthekidswhileshoppingthere.A．how B．thatC．incase D．evenif第二部分閱讀理解（滿(mǎn)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）AccordingtotheInternationalEcotourismSociety,eco-travelis“responsibletraveltonaturalareasthatprotectstheenvironment,maintainsthewell-beingsandinvolveseducation”.Eco-travelisontherise,asmoreandmorepeoplebecomeconsciousabouttheircarbonfootprint.ExpertfromBoundlessJourneys,MattHolmes,whoworks-ontravelexperiencestowardsconservingareassaid,“Asscientistsandnon-scientistslearnmoreabouthowwehumanbeingsareimpactingtheplanet,Ithink.morepeoplewanttodowhattheycanwhilestillexploringtheworld.Ourguestsaredefinitelyinterestedinthataspectofourjourneys.TravelerscanfarmtheirownfoodinItaly,managingtheiruseofwaterandusingsolarorwindpower.Theycanalsovisitnfamily-runcampthatcaresforretiredloggingelephantsinMyanmar,knowaparkentryfeegoestoaconservationorganizationinCostaRica,employandtrainmembersofthelocalcommunityorpartnerwithaprotectiongroup.Therearelotsofoptionsforseekingoutgreenerholiday.”Mostpeoplebelievethateco-travelisexpensiveanditistrue.Mattexplained“Anti-poachingpatrols(巡邏)needtobepaid,solarenergyequipmentcostsalottoinstall,buildingwithenvironmentallyfriendly,materialsismoreexpensiveandsoon.Theextracostisnecessary,asyourepayingtominimizeyourfootprintandprotecttheplacesyouvisit,whichisexactlywhateco-travelisabout.Thefinancialsuccessandsustainability(可持續(xù)性)ofaneco-focusedoperationdoesn’tcomefromthinair.”Theindustryistryingtomakeeco-travelaffordableandmakeitaccessibletothecommonpeople.1、Whatisthepositiveinfluenceofeco-friendlytravel?A．ItenablestravelerstoprotecttheenvironmentwhiletravelingB．Itkeepshumanbeingshealthyandhappyinafriendlyatmosphere.C．Itteachesustoberesponsibleforthedevelopmentofeconomy.D．Itofferssomevaluableeducationabouttheknowledgeofgardening.2、AccordingtoMattHolmes,travelerswillbeinterestedin________.A．eatingdeliciousfoodinItaly B．visitingelephantsinthezooC．workingtogetherwithaprotectiongroup D．raisingparkentryfeeinCostaRica3、Whatwillprobablybetalkedaboutinthenextparagraphofthepassage?A．Whyeco-travelisexpensive.B．Howwecanmakeeco-travellessexpensive.C．Whatmaterialareusedineco-travel.D．Wherewecangoforeco-travel.22．（8分）Icanhearthesoundofinsectsandfeelautumnisnearing.ThismeansmyyearofstudyatNaraUniversityofEducationiscomingtoanend.ThetimeI'vespentherehasflownbysoquickly.ItseemsasifIcamehereamonthago，butinrealityIhavetogohomesoon.WhenIcamehere，Imissedmyfamilyandfriendsbackhomeandfoundithardtoovercomeloneliness，butontheotherhand，Iwasinterestedinthenewenvironmentandhadalotoffun.IhadvisitedJapanthreetimesbeforecomingtostudyatthisuniversity，butwhenIstartedlivinginJapan，manydayswerefilledwithamixtureofanxietyandexcitement.Isometimesmadesillymistakes，butIthoughtthiswasthebestwaytolearnaboutJapaneseculture.IwasnottheonlyonethatwasnotaccustomedtothedifferentcustomsofJapanesepeople.MyplanbeforecomingtoJapanwastomakefriendswithsomeJapanesestudentsinuniversities.However，Ifoundmybestfriendswerethosewhocamefromothercountries.Ididn'tknowmuchaboutothercountriesbutIcametobemoreinterestedinthemthroughmakingfriendsfromdifferentplaces，whichmademeawareofmanydifferentandsometimeshard-to-understandcustoms.Furthermore，IwassurprisedtoseemyselfthinkingmoreaboutmyowncultureandrealizedIshouldcometoknowitbetter.IamreallyhappythatIcametoNara.Duringmystay，IfeltthecloserconnectionbetweenhumansandnatureherethaninEurope.1、Whatcanweinferfromthethirdparagraph?A．Theauthorfeltpuzzledallthetime.B．Theauthorisadjustedtothelife.C．ManyforeignersliveinthecityofNara.D．Manystudentsliketheauthorfeltanxious.2、Whatdoestheunderlinedword“them”inParagraph4referto?A．Differentcountries.B．Differentcultures.C．Manydifferentplaces.D．Foreignstudents.3、WhatdoweknowabouttheJapaneseaccordingtothetext?A．Theyvaluetheirlivesmuchmore.B．Theyaredifficulttogetalongwith.C．Theyaremindfulofprotectingtheenvironment.D．ManyEuropeanslovetomakefriendswiththem.4、Whatistheauthor'spurposeinwritingthetext?A．Tolookbackonhisstudy.B．TocallonreaderstovisitNara.C．ToshowthebeautyofJapaneseculture.D．Tosharehisexperienceofstudyingabroad.23．（8分）閱讀理解Onthefirstdayofschoolourprofessorintroducedhimselfandchallengedustogettoknowsomeonewedidn'tknow.Ilookedroundwhenagentlehandtouchedmyshoulder.Iturnedaroundtofindawrinkled,littleoldladywithasmile.Shesaid,“Hi,handsome.MynameisRose.I'meighty-sevenyearsold.CanIgiveyouahug？”Ilaughedandenthusiasticallyresponded,“Ofcourseyoumay！”Shegavemeagiantsqueeze.“Whyareyouincollegeatsuchayoung，innocentage？”Iasked.“IalwaysdreamedofhavingacollegeeducationandnowI'mgettingone！”shetoldme.AfterclasswewalkedtotheStudentUnionbuildingandsharedachocolatemilkshake.Webecameinstantfriends.Everydayofthenextthreemonthswewouldleaveclasstogetherandtalknon-stop.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(歌詞)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．Rosewastalentedandhard-workingD．Rosewascourageousandherwordswereinspiring4、WhichsayingmightRosepossiblysupport________.A．Oneisnevertoooldtolearn.B．Afriendinneedisafriendindeed.C．Romewasn'tbuiltinaday.D．Itisnousecryingoverspiltmilk.24．（8分）Ifyouareastudent,youmaybeprobablyrequiredbyyourteachertoreadquicklyinclass.Youhavebeentaughttoskimorscan,tolookforkeywordssoastounderstandthemainideaofthearticleandtheimportantpointsinthearticle.Skimmingandscanningisagoodstrategywhenyouarepressedfortime,suchaswhenyouaretakinganexam,buttoday,manypeopleskimandscaneverythingandtheyhavelosttheabilitytoenjoyreading.Inresponsetothis,somethingcalledthe"slowreadingmovement"hasbecomepopular.Theideaisthatpeopleshouldshutofftheircomputersandmobilephonesforhalfanhourorforty-fiveminuteseachdayandenjoythepleasurereadingagoodbook—slowly!Inmanycitiesthereareevenslowreadingclubswheremembersgotoacafe,notdiscussbooks,buttositquietlywitheachother,drinkcoffeeandjustread.Researchershavefoundthatreadingslowly,especiallybooksoffiction,helpspeopleconcentrate,relaxandthinkaboutwhattheyarereading.Italsohelpspeopleempathize.Thislastpointisimportant.Whenyoureadanovelslowly,yougettounderstandthecharacters’emotionsandtoseetheworldthroughtheireyes.Reading,ofcourse,isn'teasy.Youhavetositstill,foronething.Anditcanseemboringwhencomparedtotheexcitementofplayingvideogames.But,forme,readinghasbeenanenduringpleasureinmylife.Fromtheageoften,whenIgotmyfirstlibrarycard,I’veenjoyedthecompanyofpiratesandheroes,ofevilcriminalsandcleverdetectives,ofthousandsofinterestingpeopleIwouldhavenevermetinreallife.Readingprovidedmewithescape,butitalsoenabledmetounderstandtheworldaroundme.Itwasaneducationinaclassroomthathadnowalls.Inyourclassroom,youhavelearnedtoread“fast”.Outsideoftheclassroom,youshouldtrytolearntoread“slowly”.Youmaybesurprisedathowmuchyouenjoyit.1、Whenyouarehavinganexam,it'sacknowledgedthat________.A．readingslowlyisthebestwayB．readingwordforwordisagoodmethodC．readingfastisagoodstrategyD．readingcasuallyisawonderfulchoice2、WhichofthefollowingisNOToneofthecharacteristicsof"slowreadingmovement"?A．Enjoyingthepleasureofreadingagoodbookslowly.B．Helpingpeoplerefreshandrelax.C．Understandingthecharacters'emotionsmoreaccurately.D．Gettingthemainideaofthearticlequickly.3、Whatdoestheunderlinedword“empathize”(para.3)mean?A．Benefitfromsomething.B．Feelsympathyforsomebody.C．Beinterestedinsomething.D．Sharefeelingswithsomebody.4、Whydoesthewritercallreading“aneducationinaclassroomthathadnowalls”?A．Becausethereisnoneedtobuildwallsforthebooks.B．Becausealibrarycardiswhatyouneedtoenjoyreadinginthelibrary.C．Becausereadingenablespeopletobetterunderstandtheworldaroundthem.D．Becausetherearethousandsofinterestingpeopleinthebookswhocanhelpyouescape.25．（10分）Onacollegecampingtrip,curiosityaboutwavesandsandcausedRobThielertostudyshorelinesaroundtheworld.ThirtyyearslaterandnowaU.S.GeologicalSurveyresearchgeologist,Thieler,iscombiningscienceandsmartphonetechnologytohelpstudyabird,whichisdyingout,theAtlanticCoastpipingplover.ThepipingploverisashorebirdthatlivesalongtheAtlanticCoast,theGreatLakesandtheGreatPlains.Risingsealevelassociatedwithclimatechange,aswellasincreaseddevelopmentoftheirbeachhabitats（棲息地）,threatensthespecies.Tohelptrackchangesinpipingploverhabitats,ThielerdevelopedafreeappcallediPloverin2012.Thisisamarkedchangefromthetypicalwayscientistscollectdata.SincereleasingiPlover,scientistshavegathereddataacross1,500kmofbreedingrange.ThatequalsaboutathirdofthedistanceacrosstheU.S.,whichisalargeareatocoverforonlytwothousandbreedingpairsofpipingploversontheeastcoast.Insteadofhavingtotravelandspenddaysateachsite,anumberofcooperatorsinthefieldusetheapptocollectandsenddata,allowingscientiststogatherdatamoreefficiently.Italsoallowsthemtocollectdataatthesametimeduringeachbreedingseason,providingabetterpictureofchangesthathappenoverlongerperiodsoftime.Andfast,centralizedaccessmeansscientistscanlookatdataquicklytogetareal-timeideaofwhereandhowpipingploversareusingtheirhabitats.WhileiPloverisusedbytrainedfieldstaff,otherappsliketheU.S.GeologicalSurvey’sweb-based“iCoast—DidtheCoastChange?”invitecitizenscientiststoidentifycoastalchangesbycomparingaerial（從飛機(jī)上的）photographstakenbeforeandafterstorms.Alltheinformationscientistsandcitizenscientistsalikecollecthelpsfederalandstateagenciescreatepolicyplansforaddressingclimatechangeimpacts（影響）worldwide.1、Whatcanweknowaboutthepipingplover?A．Itsbehaviourischanging.B．Itshabitatisgrowingbigger.C．Itslivingenvironmentisbecomingworse.D．ItsbreedingrangeislimitedtotheAtlanticCoast.2、WhydidThielerdevelopiPlover？A．TostudyshorelinesacrossAmerica.B．Toadvanceinformationtechnology.C．Tostudyglobalclimatechange.D．Tomonitorchangesofpipingploverhabitats.3、Whichofthefollowingbenefitstheshorebird?A．Thecampingequipment. B．Researchonsmartphones.C．Thechangeablecoast. D．Progressintechnology.4、Whatwouldbethebesttitleofthetext?A．ProtectingEndangeredShorebirds B．RobThieler,aCreativeScientistC．iPlover,aToolforTrainingFieldStaff D．DifferencesBetweeniPloverandiCoast第三部分語(yǔ)言知識(shí)運(yùn)用（共兩節(jié)）第一節(jié)（每小題1.5分，滿(mǎn)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（本題共10小題，閱讀下面短文，然后從各題所給的四個(gè)選項(xiàng)中選出一個(gè)最佳答案。Willtheskyeverfall?Theanswerisno.Butifit________,there’snoneedtobeafraid!ChickenLittleisanAmericancartoonfilm.It’sverypopulararoundtheworld.Itsstoryteachesus:don’tworrytoomuchinyour________.OnedayChickenLittleisintheforestwhenanacorn（橡果）fallsonhishead!Thismakeshim________.Hethinksapieceoftheskyisfalling!Hecan’twaittotell________aboutit.Theyrunfortheirlives!Whenpeople________thetruth,noonelikesChickenLittle.Theylaughathim.Hegetsabadnameinthetown.It’stimeforhimtochangeothers’________.ChickenLittlebeginstoplaybaseball.Heisnotbiggerthanaball,________heplaysitverywell!Hehelpshisteam________.Nowtheythinkhe’sgreat.Justthen,aspaceshipreallydoesfallfromthe________!Thealiens（外星人）havebadplans.Onceagainhemusttellpeopleaboutit.Willhegethelpfromhisfriendsinthetown?Canheshowhimselfa/an________person?Youwillgettheanswerfromthecartoonfilm.1、A．takes B．happens C．leaves D．works2、A．life B．family C．sports D．study3、A．happy B．excited C．surprised D．a(chǎn)fraid4、A．a(chǎn)nyone B．someone C．everyone D．noone5、A．forget B．write C．know D．a(chǎn)sk6、A．minds B．plans C．programs D．jobs7、A．a(chǎn)nd B．so C．but D．or8、A．lose B．beat C．miss D．win9、A．land B．water C．grass D．sky10、A．difficult B．different C．outgoing D．beautiful第二節(jié)（每小題1.5分，滿(mǎn)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）TikTok,1．launchedinChinaas“Douyin”inSeptember2016,describes2．(it)asaforumtocaptureandpresenttheworld’screativity,knowledge,andpreciouslifemoments3．(direct)fromthemobilephone.ItisownedbyBytedance,astartup4．(base)inChinathatisconsideredoneoftheworld’smostvaluableprivatecompanies.TikTokuserstapandhold5．(record)ashortvideoandcanaddmusicandvisualeffects.Thevideoscanthenbeuploadedwithhashtagstojoinavarietyoftopicsandtrends.Mostofthevideos,whichtendtolastaround15seconds,showsomeonedancing,lip-syncing(對(duì)口型)6．a(chǎn)songoravideoclip,orpullingsomekindofrunninggag(笑料),7．theapphasalsogainedfollowingsamongsomeparticulargroups,especiallymilitarypersonnel.Partofthecharmand8．(attract)ofTikTokisthatitsyoungerusershaveembraceditasaplacetoexperimentwiththekindofInternethumorthat9．(notsucceed)onotherplatformsyet.KevinRooseintheNewYorkTimescalledtheapparefreshingoutlierinthesocialmediauniversethatbroughthim10．raresensationof“happiness”.第四部分寫(xiě)作（共兩節(jié)）第一節(jié)短文改錯(cuò)（滿(mǎn)分10分）28．（10分）假定英語(yǔ)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(xiě)的以下作文。作文中共有10處語(yǔ)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(xiě)出該加的詞。刪除：把多余的詞用斜線(xiàn)（\）劃掉。修改：在錯(cuò)的詞下劃一橫線(xiàn)，并在該詞下面寫(xiě)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。DearBob,Theproblemyoufacewasverycommonnowadays.Ihaveworkingparentstoo.SoIwouldliketogivesomeadvicefrommyownexperience.Firstly,youmusttrytounderstandwhatyourparentsworksohard.Itissurebecausetheyloveyou.Theywanttogiveyouallthethingsyouneedforthegoodlife.Itispossibleforthemtostopworkingbecausediewholefamilydependsonyou.Secondly,youshouldbelieveinthatyourparentsdocareabouthowyoufeelandwantyoutobehappy.However,youjustneedtofindwaystospendtimewiththemandtellthemyoumissthem.Trynotcomplainaboutthingstoomuch.Instead,trytofindsolutiontogetherwithyourparents.Bestwishes,LiHua第二節(jié)書(shū)面表達(dá)（滿(mǎn)分25分）29．（25分）假如你是李華，上周在外教Mr.Jackson的口語(yǔ)課上使用手機(jī)被老師發(fā)現(xiàn)，手機(jī)被收走。請(qǐng)給外教寫(xiě)一封道歉信，內(nèi)容應(yīng)包括以下要點(diǎn)：1.表示歉意；2.解釋上課使用手機(jī)的原因；3.提出自己的請(qǐng)求并適當(dāng)表態(tài)。注意：1.可適當(dāng)添加細(xì)節(jié)使文章連貫；字?jǐn)?shù)100左右；2.信的開(kāi)頭和結(jié)尾已給出，不計(jì)入總詞數(shù)。DearMr.Jackson,_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yourssincerely,LiHua

參考答案第一部分（共20小題，每小題1.5分，滿(mǎn)分30分）1、C2、C3、B4、C5、C6、A7、B8、C9、D10、D11、D12、D13、D14、C15、D16、C17、D18、C19、C20、C第二部分閱讀理解（滿(mǎn)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、A2、C3、B22、1、D2、A3、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(惡性的)humancells.Shesaysthecurrentwaytoidentifywhetherchemicalscausecanceristotestthemoneatatime.Thismethodleads,sheadds,toalonglistofsupposedly“safe”chemicals.Sheandherteamsaythatapproachneedstochange.“Wedefinitelyneedcertai