西安市重點(diǎn)中學(xué)2026屆英語(yǔ)高三上期末質(zhì)量檢測(cè)模擬試題注意事項(xiàng):1．答題前，考生先將自己的姓名、準(zhǔn)考證號(hào)碼填寫清楚，將條形碼準(zhǔn)確粘貼在條形碼區(qū)域內(nèi)。2．答題時(shí)請(qǐng)按要求用筆。3．請(qǐng)按照題號(hào)順序在答題卡各題目的答題區(qū)域內(nèi)作答，超出答題區(qū)域書寫的答案無(wú)效；在草稿紙、試卷上答題無(wú)效。4．作圖可先使用鉛筆畫出，確定后必須用黑色字跡的簽字筆描黑。5．保持卡面清潔，不要折暴、不要弄破、弄皺，不準(zhǔn)使用涂改液、修正帶、刮紙刀。第一部分（共20小題，每小題1.5分，滿分30分）1．—WhatisyourimpressionofyourformercolleagueNick?—He’shelpful,andhe________giveusahandatwork.A．must B．wouldC．may D．should2．Smoking______inthekitcheninmyhouse.A．doesn’tallowB．didn’tallowC．isn’tallowedD．won’tallow3．SorryI’msolate,butyoucannotimagine________greattroubleItooktofindyourhouse.A．whichB．howC．whatD．that4．________they’vemanagedtogeteverythingfinishedsoquicklyisnotcleartous.A．WhichB．WhatC．ThatD．How5．—________yourpurchasesintime,makesuretheexpresscompanyknowsyouraddressexactly.A．Toreceive B．ReceivedC．Receiving D．Havingreceived6．___________theeffectofcultureshock,heistryingtoreadalotaboutitbeforegoingtoFranceforfurtherstudy.A．ToreduceB．ReducedC．ReducingD．Havingreduced7．Lonelinessisafeeling_______peopleexperienceapowerfulrushofemptinessandsolitude.A．which B．where C．that D．how8．—You’veagreedtogo,sowhyaren’tyougettingready?—ButI________thatIwasexpectedtosetoffatonce.A．don’trealizeB．didn’trealizeC．haven’trealizedD．hadn’trealized9．Thegirlissogratefulwheneversheremembersmybrotherandme____herfromtheicywater.A．tohavesaved B．tosave C．saving D．saved10．Thesurveyshowsthatspeedatleast30percentofroadtrafficanddeaths.A．contributestoB．resultsfromC．liesinD．relieson11．Look!Here’saphoto______inmyclassroomatprimaryschool.Canyourecognizemeinit?A．taken B．takingC．totake D．beingtaken12．---Mom,canyougivemeanextra200yuanamonth?---Son,wehavejustboughtahouse,andfromnowonweneedtopractisestrict.A．economyB．medicineC．self-controlD．patience13．Itisusuallythoughtalittlechildsaysistruth.A．WhatthatB．thatwhatC．whichD．that14．—MayIgoouttoplaybasketball,Mum?—________Dowhatyoulike.A．Goahead! B．You’vegotit.C．It’syourturn. D．Notatall!15．Touristsarerequiredto_________localcustomsandmindtheirmannerswhentravellingabroad.A．spot B．confirmC．observe D．spread16．—________thewomanwiththebabycomeover?Wehaveaseathere.—Thankyou,sir.ActuallyIdohavemyseathere.Butmybabylikestolookoutofthewindow.A．Would B．ShallC．Must D．May17．—Let’sgoandhavedinnerthisevening.—_____.Haveyoucomeoutfirstintheexam?A．Thanksalot.B．Whynot?C．Whatfor?D．Yes,I’dliketo.18．—Hello,Paul,doyouliketojoinusinplayingfootball?Weneedonemorepersonto____ateam.—Yes,I’dliketo.A．pickup B．pickout C．makeup D．makeout19．We___havehurriedallthewaytotheairport—theflightwascalledoffbecauseofthefoggyweather.A．mustn’t B．couldn’t C．needn’t D．wouldn’t20．-----Myroomgetsverycoldatnight.-----_________________.A．Soismine B．Somineis C．Sodoesmine D．Sominedoes第二部分閱讀理解（滿分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）PoliceForcepresentsCommunityRoadshow2019Wanttofindoutmoreaboutpolicework?ComeandvisitusatthevariouslocationsacrossSingapore.EnjoytheperformancesbythefriendlydogsfromthePoliceK9UnitandthePoliceBand.Comewithyourfamilyandtakepartinthefunactivities.DetailsofRoadshowDate:16-17June2019Time:10am-7pmVenues:PunggolArcadeSerangoonCentreTampinesHubShuttlebusserviceswillbeavailabletoandfromthenearestMRTstations.Eachcanbepromisedafunpackwhichconsistsof:·miniaturepolicecar·keychain·notepad·penPerformances·K9Showat11amand3pm·PoliceBandat6pmActivities·RockClimbing·BouncyCastle(forchildrenbelowtheageof12years)·ArtCompetitionTotakepartintheArtCompetition,participantsmustregisteronlineatby12June2019.Thiseventissponsoredby:·ArtforUs·DallyMinlMart·RockClimbCompanyLuckyDrawTimings:1pmand5pm(daily)1stprize:$300voucher(購(gòu)物券)2ndprize:$150voucher3rdprize:$100voucher10consolationprizesof$20eachWinnerswhoarenotpresentduringthedrawwillbenotifiedviaemailby19June2019.OrganizedbytheSingaporePoliceForce1、WhatshalleachparticipantgetinCommunityRoadshow2019?A．Afunpack. B．Someprize.C．SomeVoucher. D．BouncyCastle.2、HowshouldapersonsignupforArtCompetition?A．Onsite. B．Byemail.C．Byphone. D．ThroughtheInternet.3、Whichofthefollowingorganizedtheactivity?A．SerangoonCentre. B．RockClimbCompany.C．SingaporePoliceForce. D．PoliceortCompany.22．（8分）TalesFromAnimalHospitalDavidGrantDavidGranthasbecomeafamiliarfacetomillionsoffansofAnimalHospital.HereDrGranttellsustheverybestofhispersonalstoriesabouttheanimalshehastreated,includingfamiliarpatientssuchasthedogsSnowyandDuchess,thedelightfulcatMarigoldSerendipityDiamond.HealsotakesthereaderbehindthescenesatHarmsworthMemorialAnimalHospitalashedescribeshisday,fromordinarymedicalcheck-upstosurgery（外科手術(shù)）.TalesFromAnimalHospitalwilldelightallfansoftheprogrammeandanyonewhohasalivelyinterestintheirpet,whetheritbecat,dogorsnake!￡14.99Hardback272ppSimonSchusterISBN0751304417IsaacNewton:TheLastSorcererMichaelWhiteFromtheauthorofStephenHawking:ALifeinScience,comesthiscolourfuldescriptionofthelifeoftheworld'sfirstmodernscientist.Interestingyetbasedonfact,MichaelWhite'snewbookoffersatruepictureofNewtoncompletelydifferentfromwhatpeoplecommonlyknowabouthim.Newtonisshownasagiftedscientistwithveryhumanweaknesseswhostoodatthepointinhistorywheremagicendedandsciencebegan.￡18.99Hardback320ppFourthEstateISBN1857024168Fermat'sLastTheoremSimonSinghIn1963aschoolboycalledAndrewWilesreadinginhisschoollibrarycameacrosstheworld'sgreatestmathematicalproblem:Fermat'sLastTheorem（費(fèi)馬大定理）.FirstputforwardbytheFrenchmathematicianPierredeFermatinthe17thcentury,thetheoremhadbaffledandbeatenthefinestmathematicalminds,includingaFrenchwomanscientistwhomadeamajoradvanceinworkingouttheproblem,andwhohadtodresslikeamaninordertobeabletostudyattheEcolePolytechnique（巴黎綜合理工大學(xué)）.ThroughunbelievabledeterminationAndrewWilesfinallyworkedouttheproblemin1995.Anunusualstoryofhumaneffortoverthreecenturies,Fermat'sLastTheoremwilldelightspecialistsandgeneralreadersalike.￡12.99Hardback384ppFourthEstateISBWhatisAnimalHospital?A．Anewsstory. B．Apopularbook.C．Aresearchreport. D．ATVprogramme.2、InMichaelWhite'sbook,Newtonisdescribedas_____.A．a(chǎn)personwhodidnotlookthesameasinmanypicturesB．a(chǎn)personwholivedacolourfulandmeaningfullifeC．a(chǎn)greatbutnotperfectmanD．a(chǎn)nold-timemagician3、Whichofthefollowingbestexplainsthemeaningoftheword“baffle”asitisusedinthetext?A．Toencouragepeopletoraisequestions.B．Tocausedifficultyinunderstanding.C．Toprovideapersonwithanexplanation.D．Tolimitpeople'simagination.4、Whatisthepurposeofwritingthesethreetexts?A．Tomakethebookseasiertoread.B．Toshowtheimportanceofscience.C．Tointroducenewauthors.D．Tosellthebooks.23．（8分）OnSeptember10,2018,JackMa,founderandchairmanofChinesee-commercegiantAlibaba,announcedhissuccessor(繼任者)atthecompanyhefounded19yearsago.Surprisingly,inacountrywhere70to80percentofprivatecompaniesarestillfamilyrun,Mr.Madidnotnameafamilymember.Rather,oneoftheworld’slargeste-commercecompanieswillbeledbyDanielZhang,an11-yearAlibabaoldhandchosenonlyforhis“professionaltalent.”Thehistoryofmanycountriescanbemarkedbyatrendawayfromdependenceonfamilysuccessioninbusiness,orthebeliefthatqualitiesofleadershipflowthroughbloodlines.Maisatrueinnovator(創(chuàng)新者)inmanyways,mostfamouslyforbuildinganinnovativeonlineshoppingmarketworthmorethantheeconomiesofmostcountries.Buthislegacy(遺產(chǎn))maylieinshowinghowChinaaswellasmuchofAsiacanproducefoundersofsuccessfulorganizationsunwillingtopassthetorchtorelatives.“AlibabawasneveraboutJackMa,”hestatedinannouncinghissuccessionplan.Instead,theformerschoolteacherwhocamefromlowlyoriginsissteppingbackfromday-to-dayoperationsbecausehehasbuiltasystemthattakesrootinacompanyculturebasedoninnovation,transparency,andresponsibility.“Forthelast10years,wekeptworkingontheseingredients,”hestated.Thecompany’sfuturewilldependondevelopingawealthoftalentthatdrivesinnovation,hesaid.Andinasocietywithalongtraditionofcautiousdistrusttowardthoseoutsidethefamilycircle,Mahasbuiltan“architectureoftrust”withcustomers,whonumberoverhalfabillion.ChinesenowreadilyrelyonAlibaba’sonlinepaymentsystem,itsratingsofproductsandservices,andothertrust-buildingsystemsormethodspioneeredbythecompany.China’srapidgrowthnowproducesanewbillionairealmosteveryday.Manyofthem,likeMa,havefavoredsystemsofmanagementbasedontalentandhonesty.Asmanycountrieshavediscoveredastheyprogress,itisbettertoswiminatalentpool,notagene(基因)pool.1、WhatdoweknowaboutDanielZhangfromthepassage?A．He’satalentedprofessor.B．He’sanexperiencedmanager.C．He’sasuccessfulfounder.D．He’sChairmanofAlibaba.2、WheredoesMa’slegacyliein?A．Becomingasuccessfulinnovativefounder.B．Castingdoubtontraditionalsuccessionplan.C．Providingcreativeanswerstosuccessionproblems.D．Representingtrendstowardsnon-family-runcompanies.3、Whatseemstobetherecipeforthecompany’sfuturesuccess?A．Trust-buildingmethods.B．The“architectureoftrust”.C．Acultureoftalentdevelopment.D．Thelatestsuccessfulinnovations.4、Whatcanbeasuitabletitleforthetext?A．PreferQualitiestoBlood.B．TrainaPotentialSuccessor.C．FavorGenesoverTalents.D．ProvideNewManagement.24．（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.25．（10分）Crossingyourlegsisanextremelycommonhabit;mostpeopledon’tevennoticethatthey’redoingitwhentheysitdown.Whileyoumayfinditcomfortabletositwithonekneecrossedovertheother,itmightbecausinghealthproblemsthatyouarenotawareof.AstudypublishedinBloodPressureMonitoringstatedthatsittingwithyourlegscrossedcanincreaseyourbloodpressure.Thereasonthishappensisbecausethebloodinyourlegshastoworkagainstgravitytobepumpedbacktoyourheart,crossingonelegovertheotherincreasesresistance,makingitevenharderforthebloodtocirculate.Thiscausesyourbodytoincreaseyourbloodpressuretopushthebloodbacktotheheart.Crossingyourlegscanalsoleadtoneckandbackpain.Whenyousitwithyourlegscrossed,yourhipsareinatwistedposition,whichcancauseoneofyourpelvic(骨盆的)bonestorotate.Sinceyourpelvicbonesupportsyourneckandspine,thiscancausepressureonyourlowerandmiddlebackandneck.Youalsomightnoticethatwhenyousitwithyourlegscrossedforlongperiodsoftime,yourfeetandlegsgettinglyorhavethefeelingofbeingasleep.Thisisbecausewhenonelegsitsontopoftheother,itcausespressureontheveins(血管)andnervesinyourlegsandfeet.Itcancausenumbnessand/ortemporaryparalysisinthelegs,ankles,orfeet.Sonexttimeyousitdown,trytogetyourselfinthehabitofsittingwithbothofyourfeetonthefloor.Notonlywillithelpyourpostureandstability,butitwillalsosaveyourhealthinthelongrun.1、Crossinglegsmayleadtothefollowinghealthproblemsexcept________.A．ItcanincreaseyourbloodpressureB．ItcancausepressureonyourlowerandmiddlebackandneckC．ItwillmakeyourneckandspinetwistedD．Itcancauseparalysisforthetimebeing2、Whycancrossingyourlegsincreaseyourbloodpressure?A．Becausethebloodinyourlegshastoworkagainstbeingpumpedbacktoyourheart.B．Becauseitwillpreventthebloodcirculating.C．Becausecrossinglegsresultsinlessresistanceforthebloodtocirculate.D．Becausehigherbloodpressurecontributestopushingthebloodbacktotheheart.3、Whatisthepurposeofwritingthisarticle?A．Topersuadeusnottocrossourlegsanylonger.B．Tomakeusawareofthehealthproblemscausedbycrossinglegs.C．Totellusthebenefitsofsittingwithourfeetonthefloor.D．Toshowthatcrossinglegsisanextremelycommonhabit.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）Whenyourfriendyawnsasyouchat,don'tbeangry.For,farfrombeingasignofboredom,yawningmaysignalempathy(同感).Scientistsbelievethatcontagious(容易感染他人的)yawning—yawning1someoneelsedoes—isasignofbeingvery2inthefirstperson'sthoughtsandfeelings.ThisisthetheoryofItalianresearcherswho3morethan100menandwomenfromfourcontinentsastheywenttowork,ateinrestaurantsandsatinthewaitingroom.Whenoneofthe4yawned,theresearchersnotedwhetheranyonewithin10feetyawnedwithinthenextthree5Theirresultsshowedthatraceand6hadnoeffectonwhethertheuncontrollableurgetoyawnwas7Buthowwellthetwopeoplekneweachotherdid.Areciprocal(相互的)yawnwasmost8tooccuramongfamilymembers,then9,thenacquaintances.Thephenomenonwas10commonamongstrangers,thejournalPLoSONEreports.TheUniversityofPisateamconcludedthatcontagiousyawningisdrivenbyhowemotionally(感情上的)11wearetosomeoneandsohowlikelyweareto12thesamefeelingwiththem.Theysaythereareotherreasonstolinkyawningwithempathy13,westartto"catch"yawnsfromtheageoffourorfive,aroundthetimewhenwe14theabilitytoidentifyeachother'semotions15Studiesalsoshowthatthoseeasily16bycontagiousyawningarebetteratknowing17othersarethinkingaboutfromtheirfaces.Mostanimals,includingsnakesandfish,yawn,18itisonlycontagiousinhumansandchimps(猩猩)and,accordingtoarecentstudy,dogs.Theresearchers,fromtheUniversityofLondon'sBirbeckCollege,put2919inaroomwithayawningmanandfoundthat21,or72%,alsostartedtoyawn.Theysaidtheskillmayallowthepettobuildstronger20withtheirowners.1、A．when B．before C．while D．a(chǎn)fter2、A．a(chǎn)bsorbed B．concerned C．interested D．disappointed3、A．observed B．saw C．noticed D．watched4、A．workers B．customers C．researchers D．volunteers5、A．days B．weeks C．minutes D．hours6、A．a(chǎn)ge B．sex C．profession D．health7、A．passedon B．passedby C．passedaway D．passedthrough8、A．normal B．possible C．likely D．probable9、A．strangers B．friends C．teachers D．classmates10、A．most B．more C．less D．least11、A．distant B．different C．close D．fond12、A．share B．hurt C．lack D．mix13、A．Forexample B．Thatis C．Inaword D．Tobeginwith14、A．need B．lose C．control D．develop15、A．exactly B．properly C．particularly D．quickly16、A．disturbed B．caught C．influenced D．interrupted17、A．what B．which C．how D．who18、A．a(chǎn)nd B．but C．so D．otherwise19、A．snakes B．fish C．cats D．dogs20、A．beliefs B．bonds C．basis D．bodies第二節(jié)（每小題1.5分，滿分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）MymotherandmybrotherweretakingatriptoWashington,D．C．Theycamebackwiththemost1．(amaze)storyIhaveeverheard!WhentheypassedbyNewYork,theirtrainfailedtowork2．(proper),theconductorsaskedeveryonetomoveforwardtoanothertrain.Wheneveryone3．(seat),mymotherrealizedshedidn’thaveherhandbag,in4．washermoney,tickets,creditcardandlicense.Sherushedtoaconductor.“Excuseme,Ileftmybagontheothertrain.Canyoustopthetrain?”Theconductorreplied,“Oh,I’msorry,5．wecannotletyouoff.”Mymomquicklypickeduphercellphone,6．onlythingshehad,andstartedcallingsomeone7．helpbutinvain.Luckily,whenthetrainfinallystoppedinDelaware,amanleftthetrainandhandedmymom$112.Mymotherthankedhimandfeltgratefulforhis8．(kind).Shegottheman’saddressandpromised9．(find)awaytopayhimback.MymotherandmybrotherfinallyarrivedinWashington,D．C．,butdidnotgettodoallthethingsas10．(plan).Theygottotakeafewbikerides,buysouvenirs,andmore.Theymadethebestoftheworstvacation!第四部分寫作（共兩節(jié)）第一節(jié)短文改錯(cuò)（滿分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)你修改你同桌寫的以下作文。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)（∧），并在其下面寫出該加的詞。刪除：把多余的詞用斜線（\）劃掉。修改：在錯(cuò)的詞下劃一橫線，并在該詞下面寫出修改后的詞。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。Mr.Zhang,ourEnglishteacher,tellingusthattheabilitytowriteinEnglishisbecomingincreasinglyimportantinEnglishcommunicationaswellasinexaminations.Therefore,itwasworthfocusingourattention.Inordertowritethegoodessay,weshouldhaveanexcellentlycommandofover2,000frequently-usedEnglishwords.It’snecessaryandusefulforustoreadorevenrecitebeautifulEnglisharticleswhichwecanleamusefulstructuresofsentence.Asweallknow,thatpracticemakesperfect,soyoushouldtakeeverypossiblechancetowriteinEnglish.Accordingtomypersonalexperience,keepadiaryeverydayisagoodmeanstoachievetheaim.第二節(jié)書面表達(dá)（滿分25分）29．（25分）假定你是李華，你的外教老師Mr.Brown即將回國(guó)，請(qǐng)你給他寫一封感謝信。內(nèi)容包括:1.表達(dá)感激之情；2.回憶他在英語(yǔ)學(xué)習(xí)方面給你的幫助；3.祝他回國(guó)旅途愉快。注意：1.詞數(shù)80左右;2.可以適當(dāng)增加細(xì)節(jié)，以使行文連貫。___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

參考答案第一部分（共20小題，每小題1.5分，滿分30分）1、B2、C3、C4、D5、A6、A7、B8、B9、C10、A11、A12、A13、B14、A15、C16、A17、C18、C19、C20、C第二部分閱讀理解（滿分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、D3、C22、1、D2、C3、B4、D23、1、B2、D3、C4、A24、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.Shesaysthecurrentwaytoi