上海市華東師大一附中2025屆高考英語考前最后一卷預(yù)測卷含解析

上海市華東師大一附中2025屆高考英語考前最后一卷預(yù)測卷考生須知：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在“答題紙”相應(yīng)位置上。2．請用黑色字跡的鋼筆或答字筆在“答題紙”上先填寫姓名和準(zhǔn)考證號。3．保持卡面清潔，不要折疊，不要弄破、弄皺，在草稿紙、試題卷上答題無效。第一部分（共20小題，每小題1.5分，滿分30分）1．F/friendshipsfadeawayifthereisn’t___goodbalancebetweenthegiveandthetake．A．The;/ B．/;a C．The;a D．/;the2．That’s

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lightB．cometolifeC．comeacross3．Ihopemyteacherwilltakeinto_______thefactthatIwasilljustbeforetheexamswhenshemarksmypaper.A．idea B．considered C．a(chǎn)ccount D．thought4．Ourbossistoostrictwithus.Ican’t_____inwiththeworksituationhere.A．fit B．get C．make D．take5．Myteacheroftensaysthatsuccessinmakingmoneyisnotalwaysagood______ofsuccessinlife.A．beliefB．elementC．criterionD．instance6．I’mnotquitesurehowtogetthere,----------I’dbetter_____amap.A．watch B．lookup C．consult D．read7．Shewassuchaproudpersonthatshewoulddieshewouldadmitshewaswrong.A．sinceB．whenC．unlessD．before8．Herdoctorindicatedthatevenaddinga(n)_____amountofdailyexercisewoulddramaticallyimproveherhealth.A．modestB．equalC．considerableD．exact9．—Youshouldn’thavetreatedmethatway.Myheartisbroken.—I’msorry,Paul.Ididn’tmeanyou.A．hurting B．tohurt C．hurt D．havinghurt10．Thewaitressattherestaurantwasusuallyveryconsiderate,butonthisoccasionsheseemedto________thediners.A．ignore B．identify C．a(chǎn)pplaud D．satisfy11．—Howdoyoufindthehealthclub?—IwouldratherI______it.Ifeelitsmanagementisgoingfrombadtoworse.A．haven’tjoined B．hadn’tjoinedC．didn’tjoin D．hadjoined12．Becauseoftheheavysnow,wehadtodelaythevisituntilthisweekendtotheartgallery____inthecenterofourcitythesedays.A．beingheld B．holding C．tobeheld D．held13．Theoldcouple,________countrylife,wereunwillingtomovetothecitytolivewithhisson.A．a(chǎn)ccustomedto B．buriedinC．a(chǎn)ddictedto D．exposedto14．Althoughtheusedcarseemsingood______,itcannotrunfast.A．state B．situationC．condition D．occasion15．RecentlysomehospitalsinChinahaveadopted______theycallarobot-doctor,______willbeusedtooperateonpatientswithmoreaccuracy.A．what;thatB．that;whichC．what;whichD．which;what16．Thefollowing________________chosenasthecandidatesofthecompetition.A．is B．a(chǎn)reC．has D．have17．—Goodmorning.MayIhelpyou?—No,thankyou.I’mjustlookingaround.—________A．It’suptoyou. B．Howareyoufeelingtoday?C．Thanksforcomingtoseeme. D．Takeyourtimethen.18．Thoughafarmer,Zhuzhiwenhasbecameahugesuccessasasinger,whosestoryisreally________ofgreatinspiration.A．everything B．nothing C．theone D．one19．Catherinecamehomehappily,whichsuggestedthatshethefinalexam.A．hadpassed B．pass C．wouldpass D．shouldpass20．—Doyouhaveanyproblemsifyou______thisjob?—Well,I’mthinkingaboutthesalary….A．offerB．willofferC．a(chǎn)reofferedD．willbeoffered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四個選項中，選出最佳選項。21．（6分）AnoticeatIKEAShanghaihasbeensharedwidelyamongnetizensonChinesesocialmedia.Itstatesthatthestorescafeterianowrequirescustomerstoorderfoodbeforesittingdownincafeteriaseats.Thepolicyisinresponsetoanelderlyblinddatinggroupthatoccupiesseatsforalongtime,consumingonlytheirownfoodbroughtfromhome.DoyousupportIKEA’snewregulation?ChinaDailyreaderssharetheiropinionswithus.LeeXin(China)Theelderlyareharmless.Theyarelonelyandareprobablyhopingtofindsomecompanyagain.Ifanything,thestoreshouldatleastsympathizewiththeseoldpeople.Mbursian(US)Thisismoreforsocializingthanforromance.Ireallydon’tthinkahomefurnishingstoreisagooddatingplaceforseniors.IKEAcouldalsopostareasonabletimelimitpervisitduringpeakhours.Orinsteadoftablesandchairs,theycouldusethosestandingtablesandgetridofthechairsaltogether.AtleastIKEA’scafeteriaisn’toccupiedbythedancinggranniesandtheirportablePAsystems(音響).SEARU(Australia)Romanceisthemostimportantthingwhileeatingisnotthatimportant!Soanoblemanalwaysleavesmorespaceforseniors’loveaffairs!Mr.Qiu(Shanghai,China65yearsold)WehavebeentofastfoodoutletslikeMcDonalds,buttherearebarelyanypeersthere.Wefeellikealienssurroundedbyyoungsters.IfthereisanotherplaceinShanghaiwhereelderlypeoplecangather,wearemorethanreadytopaytwiceasmuchandtravelfurther.TedM(UK)Romancecanariseinmanyplaces,evenIKEA．However,thisdebatearoseasaresultofmanypeopletakingadvantageofIKEA’sgenerousdrinkoffersandgoingtheretomeetandstaywithfriendswithoutbuyinganything.IKEAisashop;itexiststoprovideaserviceforareasonableprofit.Itisnotapublicpark.Michel(NewZealand)Toeveryoneromanticizingthis,pleasealsoconsiderthatthestorehasanimagetoupholdwhileprotectingtheinterestsofotherpayingcustomers.Itisuglytotakeupseatsforsuchlongdurationswhileyoumakeotherswait.1、Howmanypeopleareinsupportofthisnewregulation?A．2. B．3.C．4. D．5.2、Whatisthemajorcauseofthisnewregulation?A．Seniorblinddatesinfluencingtheirbusiness.B．IKEAhaszerotoleranceforromanticbehavior.C．Thestrongreactionofnetizensonsocialmedia.D．Oldpeopleeatingtheirownfoodtosavemoney.3、Peoplewhoareagainstthenewregulationwillprobablyagreethat.A．seniors’loveaffairscancontributetothestore’simageB．IKEAistheonlyplacewhereseniorscanfindtheirpeersC．thesocietyisbeingtoojudgmentalandlacksunderstandingD．IKEAshouldnotreserveaspecialareafortheoldpeopletodate22．（8分）Whenastormiscoming,mostpeopleleavetheareaasquicklyadpossibleandheadforsafety.Butthereareafewpeoplewhowillgetintotheircarsandgostraightforthecenterofthestorm.Thesepeoplearewillingtoriskbeingkilledbyfloodsor100-kilometer-an-hourwindsfortheexcitementofwatchingthestormcloseup.“Stormchasing”isbecominganincreasinglypopularhobby,especiallyintheMidwestoftheUnitedStates,wheretherearefrequentstormsbetweenMarchandJuly.AstormchaserbeginsthedaybycheckingtheInternetforthelatestweatherreports,andthendrivesupto1,000kilometerstowherethestormwillbeandwaitsforittodevelop.Althoughanyonecandoit,stormchasingisextremelydangerous.Thepowerofabigstormcanthrowacowintotheairordestroyawholehouseinseconds.Stormchasersarealsooftenhurtinaccidentscausedbydrivinginaheavyrain.Ifyouareabeginner,itismuchsafertojoinagroupforstorm-chasingvacationsduringthestormseason.Eventhen,stormchasingisnotalladventureandexcitement.“Stormchasingis95%driving,”saysDanielLynch,whospendsmostofhissummerstorm-chasing.“Sometimesyoucansitaroundforhourswaitingforsomethingtohappen,andallyougetisblueskyandafewlightshowers.”However,forstormchasers,itisallworthit.“Whenyougetclosetoastorm,itisthemostexcitingsightyouwilleverseeinyourlife,”saysJasperMorley.“Everystormisanexampleofthepowerofnature,ItisthegreatestshowonEarth.”1、Forstormchasing,thefirstthingstormchasersdoisto.A．headstraightforthecenterofthestormB．getintothecarforsafetyC．waitpatientlyforthestormtodevelopD．collectinformationaboutacomingstorm2、Beginnersofstormchasingareadvised.A．nottodriveinaheavyrainB．todoitinanorganizedwayC．nottogettooclosetoastormD．tospendmoretimeonitinsummer3、Bysaying“itisallworthit”inthelastparagraph,theauthormeansthat.A．stormchasingcostsalotofmoneyB．stormchasingisworthhoursofwaitingC．effortsinstormchasingarewellpaidD．a(chǎn)stormpresentsthegreatestshowonEarth4、Whatcanwelearnfromthetext?A．SometimesstormchasersgetnothingbutdisappointmentB．Manystormchasersgetkilledinthestorms.C．Stormchasingisbecomingpopulararoundtheworld.D．Stormchasingisonlyfitforyoungpeople.23．（8分）Areyoucontentwiththeshapeofyournose?Ifnot,theclimatemaybetoblame,notyourparents.AccordingtoarecentstudycarriedoutbyscientistsfromPennsylvaniaStateUniversity,US,climateplayedakeyroleinshapingournoses.Thefindingswerebasedonanexaminationofthesizeandshapeofnosesof476peoplefromfourregions—WestAfrica,EastAsia,SouthAsiaandNorthernEurope,using3-Dfacialimagingtechnology.“Peoplehavethoughtforalongtimethedifferenceinnoseshapeamonghumansacrosstheworldmayhavearisenasaresultofnaturalselectionbecauseofclimate，”ArslanZaidi,oneoftheleadauthorsofthestudy,toldTheGuardian.Butwhilepreviousstudieswerebasedonmeasurementsfromhumanskulls,Zaidiandhisteamlookedatnoseshapeitself.Theresultshowedthatwidernosesaremorecommoninwarmandhumidclimate,whilenarrowernosesaremorecommonincoldanddryclimate.That,Zaidisaid,couldbebecausenarrowernasalpassageshelptoincreasethemoisture(潮濕)contentofairandwarmit,whichiseasieronourlungs.This,inturn,ledtoagradualdecreaseinnosewidthinpopulationslivingfarawayfromtheequator.Morestudiesarestillneededtotestthelinkbetweenclimateandnoseshape,butZaidibelievesthecurrentfindingsarevaluableinunderstandingpotentialhealthissues.“Aswebecomemoreofaglobalcommunity,wearegoingtocomeacrossclimatethatwedonotadaptto，”hetoldTheGuardian.Thismeansmovingtoaverydifferentclimatemightincreasetheriskofbreathingproblems.However,headded,“Thismaynotbenecessarilytrueforvariousreasonssuchasofmodernmedicineandthefactthatourcurrentclimateisverydifferentfromwhatitusedtobe.”1、FromthepassageweknowmostpeoplefromSingaporehavenoses.A．widerB．narrowerC．smallerD．larger2、Narrowernosesarehelpfulto.A．cooltheairB．warmtheairC．takeinmoreoxygenD．drytheair3、Whatcanbelearnedaboutthestudy?A．Zaidi’steammeasuredhumanskullsusing3-Dtechnology.B．Theshapeofournosesisdeterminedbyourparents.C．Noseshapehelpspeopleadapttotheenvironment.D．It’scertainthatpeoplewillsufferfrommorebreathingproblems.4、Whichofthefollowingcanbethebesttitleforthepassage?A．Whatfactorsshapenoses?B．Howtomakeyournoseattractive?C．NoseshapecausesbreathingproblemsD．Climateshapesnoses24．（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）JustasJohnLubbocksaid,wemaysitinalibraryandyetbeinallquartersoftheearth.Herearesomeofthecoolestlibrariesoftheworld.StuttgartCityLibraryDespiteaclassicwhite-on-whitecolor,StuttgartCityLibraryisoneofthemostvisuallyappealingmodernlibraries.TheamazingmodemandsimplelookistheproductoftheKoreanarchitectYiEun-young.TheGermanlibraryopenedin2011,andcostnearly80millioneurostoconstruct.KanazawaUmimiraiLibraryArchitectsfromtheCoelacanthK&HArchitectsstudiodesignedtheKanazawaUmimiraiLibrarylocreatethebestreadingenvironment.Healedfloors,anoutpouringofnaturallight,andotherfeatureswerespecificallyincludedloachievethisgoal.Thewall,whichconsistsofthousandsoftinyopenings,allowsnaturallightingintothebuilding,improvingtheoverallfeelofthespace.ThisJapaneselibrarywasopenedin2011,andreflectstheappearanceofmanymodemandsimplespaces.LibraryofCongressIn1800,CongresssetuptheLibraryofCongressinWashingtonD．C．.Fifteenyearslater,ThomasJeffersonofferedhispersonallibrarytoreplacebooksthatwerelostwhentheBritishsetthebuildingonfirein1814.Hisbooks,whichtooknearly50yearstocollect,variedfromtextsonscience,literatureandphilosophy,tobooksinavarietyofforeignlanguages.Thesedays,theLibraryofCongressoffersmorethan155millionitemsandthelargestrarebookcollectioninNorthAmerica.StateLibraryofVictoriaTheSlateLibraryofVictoria,locatedinMelbourne,Australia,isoneofthelargestexhibitinglibrariesintheworld.Thoughitopenedin1856,majorrepairstookplacebetween1990and2004.TheLaTrobeReadingRoomisoneofthelibrary’smainattractionsduetoitsvisuallyamazingarchitecture.Thelawnatthelibrary’sfrontattractshundredsofcityfolkeachday,whogatherforlunchortoenjoythestatuesthere.Thelibrarycurrentlycontainsovertwomillionbooks,aswellasarmor(盔甲)ofNedKelly,afolkheroagainsttherulingclass.1、Whichlibraryhasthelongesthistory?A．StuttgartCityLibrary. B．KanazawaUmimiraiLibrary.C．LibraryofCongress. D．StateLibraryofVictoria.2、What’sspecialaboutStaleLibraryofVictoria?A．Ithasgreatarchitecture.B．Ithasafolkhero’sstatueinit.C．Itistheworld’slargestexhibitinglibrary.D．Itservesasameetingplaceforthecitizens.3、Whatdoesthefirsttwolibrarieshaveincommon?A．Theyareconstructedinthemodemstyle.B．Theycostalargeamountofmoney.C．TheyaredesignedbyKoreanarchitects.D．Theyfeatureprovidingreaderswithnaturallight.第三部分語言知識運用（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四個選項中，選出可以填入空白處的最佳選項．26．（30分）Mymedicalteamhadsaidmybraincouldnolongersendthesignalsforwalkingbecausethosenervesinmyspinalcord(脊髓)hadbeendestroyed．Though1unintentionally.mydoctorsdidtakesomethingveryimportantawayfromme：hope.Then．a(chǎn)friendofmine2metotrytohelpmyself．Iwasangry.Isaid,“They’refourofleadingneurologists．TheyallsaidI'dnevergetany3”“Theycouldhaveallbeenwrong.”．“Theysaidthere’s4Icando!I’mnot5anyeffortintotryingtowalkandthenbemiserablewhenI6.”“Tryingisneverfailure．”Iwasencouragedbyhim．ThatdayItriedwalking7．Isaidtomyself.“Whynot?”WhenI8IhaveaFrankenstein-stylegait(步態(tài))．Igetembarrassed,soIexplain.Imetagirlwhosaid，“Stop9yourself.Walkproudly!”She’s10oneofthemanywho'vetaughtmethatifIopenmyhearttoacceptance，theworldisfilledwith11teams.OnemorningmyhusbandBobsaidtherewasahugepresentformeinourdriveway.Itwasa300-poundcyclefor12．Theseatsweresidebyside．Hecouldpedal(踩踏板)whileI13byhimandenjoyedtheoutdoorsagain．Lastweekherepeated.“There’sahugepresentinourdriveway．”He14meoutside.Itwasaone-womanDynamoPowerBike.“Sweetheart,youknowIcan’trideabikebymyself．”I15．Helaughedsweetly.“Iknow.Andyoucan'twalkeither.Thenwhydoesthepedometer(計步器)Iboughtyouhave74milesonit?”Recently，hundredsofmileslater，after16hoursofefforts.forthefirsttimeinfiveyears，Iwentoutback，putmycane(拐杖)17andstartedwalking.I1842yards.Andso，Ihavemadea(n)19silentresolution--adeclarationthatIamprayingotherswillsaytothemselvesaswell．“Yes，Ican．”ChristopherReeveoncesaid，“Whenwehave20，wediscoverpowerswithinourselveswemayhaveneverknown．”1、A．regularlyB．surelyC．nowandthenD．sometimes2、A．urgedB．persuadedC．permittedD．·expected3、A．wiserB．strongerC．betterD．luckier4、A．whatB．muchC．reasonD．nothing5、A．puttingB．turningC．givingD．casting6、A．failB．tryC．walkD．cry7、A．inthelongrunB．a(chǎn)tbestC．a(chǎn)tnotimeD．onmyown8、A．raceB．walkC．crawlD．standup9、A．helpingB．excusingC．beingD．finding10、A．stillB．yetC．justD．even11、A．supportB．discouragementC．depressionD．optimism12、A．freeB．twoC．a(chǎn)llD．reference13、A．waitedB．walkedC．satD．1aughedaited14、A．ledB．waitedforC．pointedD．1ookedfor15、A．shoutedB．wonderedC．whisperedD．questioned16、A．a(chǎn)mazingB．impressiveC．hopelessD．exhausting17、A．a(chǎn)wayB．downC．overD．off18、A．helpeditB．putitC．a(chǎn)ppreciateditD．madeit19、A．satisfyingB．increasingC．best-designedD．often-repeated20、A．troubleB．skillsC．hopeD．friendship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個適當(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。27．（15分）ChopsticksplayanimportantroleinChinesefoodculture.They1．(call)“Zhu”inancienttimesinChina.Chinesepeoplehavebeenusingthemformorethan3,000years.WoodorbamboochopsticksarethemostpopularonesusedinChinesehomes,2．canbedatedtoabout1,000years3．(early)thanivory(象牙)chopsticks.Thereareafewthings4．(avoid)whenusingchopsticks.Chinesepeopleusually.Don’tbeattheirbowlswhile5．(eat),sincethebehaviorusedtobepracticedbybeggars.Alsodon’tputchopsticksinabowluprightbecauseitisacustomonlyusedinsacrifices(祭祀)6．iscommoninChinaforeveryonetousetheirownchopsticksforgettingfoodfromthe7．(dish)onthetable.Ifyouprefer,servingchopsticks8．(be)provided.Besides,don’tbeembarrassedbyusingchopsticks9．(poor).Whatmattersisthatyouenjoythefood.Foodis10．greatimportanceinChineseculture,andtheChineseissuchapracticalpeoplethatallaroundyouwillmostlikelybefinewithwhatevermethodyouusetoeat.第四部分寫作（共兩節(jié)）第一節(jié)短文改錯（滿分10分）28．（10分）假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處語言錯誤，每句中最多有兩處。每處錯誤僅涉及一個單詞的增加、刪除或修改。增加：在缺詞處加一個漏字符號（∧），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）不計分。Itwasamathtest,forwhichIhavepreparedforalongtime、SomuchimportanceIattachtoitthatIevenfeltalittlenervousbeforeatest、MyheartbegantobeatwildimmediatelyItookmyseatintheclassrooms、Lookingatthetestpaper,ourmindwentblank、Iattemptedtofocusmyattentionanditwasimpossible、SoIclosedmyeyesandtookadeepbreath,trytocalmdown、Itworked、GraduallyIrecoveredfrommycalmness、Feelingmorerelaxing,Ipickedupmypenandbegantowrite、第二節(jié)書面表達（滿分25分）29．（25分）4月23日是世界讀書日。假定你是李華，你的美國朋友John來信詢問你校讀書日的相關(guān)活動，請給他寫一封回信。內(nèi)容包括：1.主題：誦讀經(jīng)典名著，傳承中華文化；2.活動安排；3.活動的意義。注意：1.詞數(shù)100左右；2.可適增加細節(jié)，以使行文連貫；3.開頭和結(jié)尾已為你寫好。參考詞匯：經(jīng)典名著classicsDearJohn,_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua

參考答案第一部分（共20小題，每小題1.5分，滿分30分）1、B2、A3、C4、B5、C6、C7、D8、A9、B10、A11、B12、A13、A14、C15、C16、B17、D18、D19、A20、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四個選項中，選出最佳選項。21、1、B2、A3、C22、1、D2、B3、C4、A23、1、A2、B3、C4、D24、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.Sh