黑龙江省哈三中等九州之巅合作体2023-2024学年高三第三次测评英语试卷含解析

黑龙江省哈三中等九州之巅合作体2023-2024学年高三第三次测评英语试卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．Withsomesnowontopofit,theYellowMountainlookedfantasticthiswinter.Actually,IdoubtwhetherwecouldvisitmountaininChina.A．amostbeautiful B．themostbeautifulC．amorebeautiful D．abeautiful2．Thekidiscrying,forhe______jumpovertheditchonhisown.A．daresnotto B．darenotto C．doesn’tdareto D．daresnot3．Youwon’tfindpapercuttingdifficult_____youkeeppracticingit.A．evenifB．aslongasC．asifD．eversince4．Wewerescaredtodeathwhenthefire______.Fortunately,itwasputoutbeforeitcausedmuchdamage.A．brokeout​​ B．cameoutC．gaveout​​ D．turnedout5．SometimesIactasalisteningearforfellowstudents________whatisbotheringthem.A．totalkover B．talkedoverC．talkover D．havingtalkedover6．BillyCrystalhostedtheAcademyAwardsagainthisyear,andhisperformancesalways________theexpectationsofmostaudience.A．signupfor B．dropoutofC．bebenton D．liveupto7．Thestudentshavedecidedonafinaldatebywhicheveryone________readingthebooksassignedbytheirprofessor.A．finishes B．finishedC．havefinished D．willhavefinished8．Iquicklyloweredmyself,duckingmyheadtoavoidlookingdirectlyintohiseyessothathewouldn'tfeel________.A．challenged B．challengingC．tobechallenged D．havingchallenged9．Ahurricanesweptthroughmyvillage.Justaswewerebeginningtolosehope,itsuddenlystopped.Itisreally“”.A．All’swellthatendswellB．LightningneverstrikestwiceinthesameplaceC．ItneverrainsbutifpoursD．Afriendinneedisafriendindeed10．Asoftenhappensafterlongsleeplessness,hewas________byanunreasoningpanic.A．seizedB．fascinatedC．impressedD．embarrassed11．—Bobsayshewilldrawlessonsfromhisfailureandcontinuetotry.—I’mdelightedthathe________takethatview.A．willB．mayC．shouldD．could12．Sallylikesgoingtoschool______shehasgotmanygoodfriendsthere.A．or B．because C．unless D．so13．Amythisanaccountofthedeedsofagodorsupernaturalbeings,usuallyexpressedintermsof______thought.A．primary B．capital C．initial D．primitive14．Somepeoplecreatejobs,fosterexcitementandbasicallymakethesystemwork.Theyseepossibilities________othersseeonlyproblems.A．that B．what C．which D．where15．Theirflight______duetobadweather.Theywouldliketoknowwhentheflightwilltakeoff.A．hadbeendelayedB．wasdelayedC．hasbeendelayedD．willbedelayed16．Don’tleavematchesorcigarettesonthetablewithin______ofchildren.A．stretch B．expand C．reach D．extend17．Aftertheflooding,peopleweresufferinginthatarea,________urgentlyneededcleanwater,medicineandsheltertosurvive.A．which B．whoC．where D．what18．InApril,2009,PresidentHuinspectedthewarshipsinQingdao,____the60thanniversaryofthefoundingofthePLANavy.A．marking B．markedC．havingmarked D．beingmarked19．---Whatcausedthepartytobeputoff?---______theinvitations.A．Tomdelayedsending B．Tom’sdelayingsendingC．Tomdelayingtosend D．Tomdelayedtosend20．Thereisawide________ofreferencebookstobefound,so________youlookforsomematerialneeded,youcanturntome.A．kind;thelasttime B．sort;everytimeC．variety;nexttime D．type;themoment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）Anewstudyof8，000youngpeopleintheJournalofHealthandSocialBehaviorshowsthatalthoughlovecanmakeadultslivehealthilyandhappily，itisabadthingforyoungpeople.Puppylove(早恋)maybringstressforyoungpeopleandcanleadtodepression.Thestudyshowsthatgirlsbecomemoredepressedthanboys，andyoungergirlsaretheworstofall.Thepossiblereasonfortheconnectionbetweenloveandhigherriskofdepressionforgirlsis“lossofself”．Accordingtothestudy，eventhoughboyswouldsay“losethemselvesinaromanticrelationship”，this“lossofself”ismuchmorelikelytoleadtodepressionwhenithappenstogirls.Younggirlswhohaveromanticrelationshipsusuallylikehidingtheirfeelingsandopinions.Theywon'ttellthattotheirparents.DrMarianmKaufman，anexpertonyoungpeopleproblems，says15%to20%youngpeoplewillhavedepressionduringtheirgrowing.Tryingromanceoftencausesthedepression.Sheadviseskidsnottojumpintoromancetooearly.Duringgrowingup，itisimportantforyoungpeopletobuildstrongfriendshipsandastrongsenseofself.Shealsosuggeststheparentsshouldencouragetheirkidstokeepclosetotheirfriends，attendmoreinterestingschoolactivitiesandspendenoughtimewithfamily.Parentsshouldwatchforsignsofdepression—eatingormoodchanges—andiftheyseesignsfromtheirdaughtersorsons，theyneedtogivehelp.Thegoodnewsisthattheconnectionbetweenromanceanddepressionseemstobecomeweakwithage.Lovewillalwaysmakeusfeelyoung，butonlymaturitygivesusachancetoavoiditsbadsideeffects.1、What'sthemainideaofthepassage?A．Romanceisatwo-edgedswordforadults.B．Parentsshouldforbidtheirchildren'slove.C．Romanceisgoodforyoungpeople.D．Puppylovemaybringyoungpeopledepression.2、Whichofthefollowingismorelikelytohavedepression?A．Carelessparentswhosechildrenaredeepinlove.B．Youngpeoplewhohaveastrongsenseofselfishness.C．Younggirlswhoalwayshidetheirfeelingsandopinions.D．Youngboyswhoseparentswatchfortheirbehavior.3、Whatcanbeinferredfromthepassage?A．Theolderawomanis，thelesslikelysheseemstoloseherselfinromance.B．Lackinglovecanleadyoungpeopletogrowupmorequickly.C．Earlylovemakesyoungpeoplekeepclosetotheirfriendsandparents.D．Parentsshouldhelptheirchildrentobeawareofthesignsofdepression.4、What'stheauthor'sattitudetowardspuppylove?A．Confused. B．Disapproving.C．Neutral. D．Scared.22．（8分）Inawinforliteraryfictionamiddecliningsales,SallyRooney'snovelNormalPeoplehasbeennamedWaterstonesbookoftheyearin2018.Rooney'ssecondnovel,whichfollowstwoyoungpeoplefallinginloveinIreland,hassold41,000copiesinhardbackintheUKsinceitwasreleasedinAugust-fivetimesthehardbacksalesofher2017debut,ConversationsWithFriends.At27,Rooneyisnowtheyoungestwinneroftheaward,whichisgivenbytheUK'sbiggestbookshopchain,Waterstones.NormalPeoplereceivedalmostuniversalapplauseuponitsrelease.LonglistedfortheManBookerprize,thebookwonnoveloftheyearattheAnPostIrishbookawardsinNovemberof2018andhasalsobeenshortlistedfortheCostanoveloftheyear,announcedinJanuaryof2019.ThereaderresponsetoNormalPeoplehadbeenastonishing.Aswellastheuniversalpraise,ithasbeenahugeword-of-mouth(口头的)hit.There'recustomersreturningtobuymultiplecopiesasgifts.NormalPeoplestrengthenedSallyRooney'sreputationasthevoiceofhergenerationandoneofthemostexcitingnovelistsaroundtoday.Itssuccessisatestamenttothehealthofliteraryfictionandindicatesthatthereisstillsignificantappetiteforexcellentstorytelling.Theaward,establishedin2012,tendstogotobooksthatarealreadybestsellersnearChristmas.IthaspreviouslybeenwonbythelateAmericanauthorJohnWilliams'sStoner,thecookbookPolpobyRussellNorman,andlastyear'schoice,PhilipPullman'sLaBelleSauvage.JamesDaunt,Waterstones'managingdirector,saidRooney'swinwasasignofthehealthystateofliteraryfiction,whichhasseensalesdecreaseoverthelastdecade."Wearedelightedtonameitourbookoftheyear,"hesaid.1、Whatdoweknowaboutthecurrentsituationofliteraryfiction?A．ItsellswellinWaterstones.B．Itdoesn'tenjoypopularity.C．Itmainlytellslovestories.D．Itisabigwinnerin2018.2、WhatcanweinferaboutNormalPeople?A．ItwasBritain'smostpopularbookin2018.B．Itwondifferentawardsinalotofcountries.C．Itreceivedpraisesoonafteritwaspublished.D．Itmadeitsauthorthevoiceofyoungpeople.3、Theunderlinedword"testament"isclosestinmeaningto"".A．examination B．evidenceC．concern D．statement4、WhatisthemainfunctionofParagraph5?A．Toattractreaders'attention.B．TointroduceotherprizewinnersC．Toserveasbackgroundinformation.D．TocompareSally'snovelwithotherbooks.23．（8分）Theworld’sinsectsaregoingdownthepathofextinction，threateninga“catastrophiccollapseofnature’secosystems”，accordingtothefirstglobalscientificreview．Morethan40％ofinsectspeciesaredecliningandthirdareendangered，theanalysisfound．Therateofextinctioniseighttimesfasterthanthatofmammals，birdsandreptiles．“Itshouldbeofhugeconcerntoallofus，forinsectsareattheheartofeveryfoodweb．Theypollinate(授粉)thelargemajorityofplantspecies，keepthesoilhealthy，recyclenutrients，controlpests，andmuchmore．Lovethemor1oathethem，wehumanscannotsurvivewithoutinsects，”saidProfDaveGoulsonattheUniversityofSussexintheUK．Theanalysis，publishedinthejournalBiologicalConservation，saysintensive(集约型)agricultureisthemaindriverofthedeclines，particularlytheheavyuseofpesticides．Urbanisationandclimatechangearealsosignificantfactors．“Ifinsectspecieslossescannotbestopped，thiswillhavecatastrophicconsequencesforboththeplanet’secosystemsandforthesurvivalofmankind．Itisveryrapid．In10yearsyouwillhaveaquarterless，in50yearsonlyhalfleftandin100yearsyouwillhavenone，”saidreviewauthorFranciscoSánchez-Bayo，attheUniversityofSydney，Australia．Oneofthebiggestimpactsofinsectlossisonmanybirds，reptiles，amphibiansandfishthateatinsects．“Ifthisfoodsourceistakenaway，alltheseanimalsstarvetodeath，”hesaid．SucheffectshavealreadybeenseeninPuertoRico，wherearecentstudyrevealeda98％fallingroundinsectsover35years．MattShardlow，attheconservationcharityBuglife，said：“Itisthoughtfultoseethisevidencethatshowsthepitifulstateoftheworld’sinsectpopulations．Itisincreasinglyobviousthattheplanet’secologyisbreakingandthereisaneedforastrongandglobalefforttopreventandchangetheseterribletrends．”1、Whyarepeopleworriedabouttheinsectdecline?A．Theyarevitaltoecosystems． B．Theyprovidefoodforpests．C．Theypollinateallplants． D．Theyenrichthesoil．2、Whatisthemaincauseofinsectlosses?A．Moreandmoretrees． B．Restrictionsonpesticides．C．Upgradingagriculture． D．Friendlyenvironment．3、Wherecanyoufindtheexacttimeofinsectlosses?A．Inparagraph1． B．Inparagraph2．C．Inparagraph3． D．Inparagraph4．4、Whatcanbeasuitabletitleforthetext?A．HumanscansurvivethepunishmentofnatureB．Insectdecliningisbreakingnature’secosystemsC．Nature’secosystemsareinfluencedbyhumansD．InsectsandanimalsaredyingoutinPuertoRico24．（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）StanfordUniversityhasbegunaninvestigationfollowingclaimsthatsomeofitsstaffknewlongagoofChinesescientistHeJiankui’splanstocreatetheworld’sfirstgene-editedbabies.AuniversityofficialsaidareviewwasunderwayofinteractionssomefacultymembershadwithHe.whowaseducatedatStanford.SeveralprofessorsincludingHe’sformerresearchadviserhavesaidthattheykneworstronglysuspectedthatHewantedtotrygeneeditingonembryos(胚胎).TheChinesegeneticscientistpostedavideoonYouTubeinNovember2018.Heclaimedinthevideothathehadusedagene-editingtoolCrispr-Cas9tomodify(修改)aparticulargeneintwoembryosbeforetheywereplacedintheirmother’swomb(子宫).He,whoworksinalabinthesouthernChinesecityofShenzhen,saidthetwingirls,knownasLuluandNana,werebornusinganeggthatwasmodified.HefocusedonHIVinfectionpreventionbecausethefatherisHIVpositive.“Nowthefatherhasareasontolive,areasontowork,hehasapurpose,”Hesaid.Editingthegenesofembryos,whichcanchangeothergenes,isbannedinmanycountriesbecauseDNAchangesarepassedtofuturegenerationsandcouldhaveunforeseeneffectsontheentiregenepool.China’snationalhealthcommissionorderedofficialsto“seriouslyinvestigate”He’sclaims.Shenzhen’shealthandfamilyplanningcommissionsaiditwasinvestigatingthereviewprocessaroundHe’swork.ResearchinstitutionsconnectedtoHehavedistancedthemselvesfromhim.“ThisresearchworkwascarriedoutbyProfessorHeJiankuioutsideoftheschool,”saidtheSouthernUniversityofScienceandTechnologyinShenzhen.Itcalledhisresearcha“seriousviolationofacademicethics(道德)”.1、WhatdidHeJiankuiclaiminthevideopostedonYouTube?A．Hewaswrongintryinggeneeditingonembryos.B．Hepreventedthetwinsfromdevelopingcancer.C．HemodifiedageneinLuluandNana’sembryos.D．HewasinfluencedbyhisresearchadviserinStanford.2、Whyisgeneeditingofembryosbannedinmanycountries?A．TheeffectofDNAchangesonthegenepoolisunforeseeable.B．Itcausesdisabilitiestothegene-editedbabies.C．Thefuturegenerationswillrelyongeneediting.D．Itwillaffectallthehealthygenesoftheembryos.3、HowdidtheuniversityinShenzhenreacttoHe’svideoclaim?A．Itorderedinvestigationstobeconducted.B．Itcalledtheincidentabigshameforthenation.C．ItdeclarednotrelatedtoHe’sresearch.D．Itkeptadistancefromthemedia.4、Whichcanbeasuitabletitleforthetext?A．TheUSABansGene-editingB．WhataretheEthicsofMedicalTreatment?C．ScientistsFindtheIdeaofGene-editedBabiesCrazyD．StanfordInvestigatesLinkstoScientistinGeneEditing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）Onewinternineyearsago,IvolunteeredatahomelessshelterinLosAngeles,1mealsforpeople.ThereImetAlbert,whosaidhelikedmy2.“Wanttoseemine?”heasked,liftinghis3.Hewasbarefoot.Hesaidhehadbeenhopingtogetapairbuthadnevermadeit.Ifelta4feelinginmystomach.Thenextday,5,Iwenttobuysocks-about$106.Thatnextmorning,I7myalarmfor5a.m.anddrovetothelocalpark,acommondestinationfor8people.Itwasstill9out.Itookoutabagofsocksand10agroupofmen,standingaroundatree,11withcold.WhenIhandedeachofthemapairofsocks,theylookedconfusedatfirst,12mymotives（动机）,buttookthem.Anhourlater,I13allthesocks.Mostpeopleweresleeping.IfeltlikeSanta.Whentheywould14,theywouldfindaverymeaningful15.EveryweekI'llhandoutmanysocks.IfI'mawayfor16aweek,Iwillbringsockswithmeandhandthemouttothehomelessinotherstatesandcountries.Inthepastyears,thishasbecomemy17.It'saddictive,Isuppose,andit'sincrediblysatisfyingtohelpmakesomepeople's18alittlebiteasier.PartofmehopestoseeAlbertoutthere,but19Idon't,I'dliketothinkoneofthepairswill20him.1、A．preparingB．givingC．donatingD．buying2、A．carB．mealsC．socksD．help3、A．legB．armC．handD．head4、A．magicalB．sinkingC．comfortingD．surprising5、A．finallyB．inadditionC．howeverD．afterwork6、A．moneyB．worthC．valueD．worthy7、A．madeB．placedC．setD．fixed8、A．mercilessB．sleeplessC．joblessD．homeless9、A．darkB．rainyC．quietD．windy10、A．signaledtoB．shoutedatC．headedforD．wavedat11、A．tremblingB．smilingC．jumpingD．sleeping12、A．provingB．inquiringC．demandingD．questioning13、A．tookoffB．tookoutC．gaveoffD．gaveout14、A．situpB．wakeupC．riseupD．setup15、A．meatB．presentC．actD．kindness16、A．lessthanB．otherthanC．morethanD．ratherthan17、A．habitB．taskC．past-timeD．entertainment18、A．winterB．livesC．familiesD．difficulties19、A．unlessB．untilC．evenifD．asif20、A．suitB．fitC．matchD．find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）AsanelderlycouplewasabouttoshuttheirphonesoffonboardaflighttoAustraliaviaAbuDhabi,theynoticeda1．(miss)callfromtheirson-in-law.Theplanewasstartingtorollforwardontherunwaywhenthey2．(see)thetext:Theirgrandsonwasinspecialcarewith3．seriousillness.Iftheydidn’tgetbacksoon,theymightmisstheirchancetosaygoodbye.ThecouplegottheattentionoftheEtihadAirwayscrew,4．rushedtotellthepilot.Insteadof5．(ignore)theirbegtostayonschedule,thekindheartedpilotturnedtheplanebackaroundtotheManchesterAirportgate.Ahear-warming6．(arrange)wasmade.Fromthere,therestofthestaffjumpedintoget7．(they)homeasfastaspossible.Somecollectedtheirbagsandhelpedthecouplethroughtheairport,whileothersbroughttheircartoarrivalssothegrandparentscouldheadstraighthome.Theairlinesaidtheycouldusetheirticketsanothertime.“I’vebeeninthetravelbusinessfor8．(decade)andneverheardofthishappening,”thecouple’stravelagent,BeckyStephenson,toldtheBBC．Theywereaware9．theimportanceofsayinggoodbyeforthecouple,sotheyofferedtohelp.Theboypassedawaythenextday,whenhisgrandparentswouldhavebeeninAustralia,buttheyreachedhisbedsideintimetosaygoodbye.Thecouplefeltgreatly10．(thank).第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）文中共有10处错误，每句中最多有两处。每处错误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（∧），并在此符号下面写出该加的词。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。3.将改正后的答案按要求写在答题卡的相应位置。ItwasextremecoldlastMondaymorning.WhileIwaswalkinginmywaytoschool,Inoticedtwostreetcleanersweepingthestreet.Seeingthemareworkingsohardonsuchacoldmorning,Iwasmovedandmadeupmyminddosomethingforthem.Afterarrivingatschool,Idiscussedwithsomeclassmatesthatwecoulddo.Thenextday,wegotupearlyandpreparingporridgeathome.Whenwehandedthecleanersthehotporridgeandexpressedusappreciationfortheirhardwork,theylookedalittlesurprisingatfirst.Andthentheytooktheporridgeandthankedushappily.Sinceitwasverycold,weallfeltwarmatthatmoment.第二节书面表达（满分25分）29．（25分）1.画出阅读理解C篇的思维导图。2.根据写作任务，写出一篇连贯完整的短文。某英文杂志正在举办以“Fancyyourselfasaninterviewer”为主题的征文活动，请你以“AFamousChineseIWouldLiketoInterview”为题，写一篇英语短文。内容包括：1.采访的对象；2.采访的原因；3.想提的问题。注意：1．词数不少于60；2．标题已给出，不计入总词数。AFamousChineseIWouldLiketoInterview__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、C2、C3、B4、A5、A6、D7、D8、A9、A10、A11、C12、B13、D14、D15、C16、C17、B18、A19、B20、C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、D2、C3、A4、B22、1、B2、C3、B4、C23、1、A2、C3、D4、B24、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.Shesaysthecurrentwaytoidentifywhetherchemi