四川省成都市双流区棠湖中学高三第四次模拟考试新高考英语试卷及答案解析

四川省成都市双流区棠湖中学高三第四次模拟考试新高考英语试卷注意事项：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．Thereisnoreasontobedisappointed.________,thiscouldberatheramusing.A．Aboveall B．AsaresultC．Apartfromthat D．Asamatteroffact2．Childrenexposedtoairpollutionaremoretosufferingfromdifferentdiseases.A．possible B．probable C．likely D．certainly3．Thedoctor’sdilemmawas_____heshouldtellthepatientthetruth.A．whether B．whichC．that D．what4．—John,doyouknowwhythesuspectwassetfree?—Forlackof________evidence.A．solidB．apparentC．ambiguousD．concrete5．---IwenttoseeTheWanderingEarthlastnight.Itwasfantastic!---Youweresolucky!HowIwishI_____thetickettoo.A．get B．gotC．hadgot D．wouldget6．Peopletendtoloveagriculturalproducts________withouttheuseoffertilizers,pesticidesorchemicaladditives.A．growing B．grownC．beinggrown D．havingbeengrown7．______hewas12,Einsteinhadlearnedadvancedmathematicsbyhimself.A．ThefirsttimeB．AtthetimeC．BythetimeD．Duringthetime8．Ifhe________histeacher’ssuggestion,hewouldhavewontheEnglishSpeechContest.A．hadfollowed B．shouldfollowC．wastofollow D．followed9．---________Isaysomethingtoyou?Youwerereally,reallysomethingbackthere.Incredible!---Areyoutalkingto---me?Whoa!A．Must B．Can C．Need D．Should10．PeoplebelievethattheChinaDreamisnotverydifficult________solongasthewholenationworkshardforit.A．realizing B．toberealizedC．realized D．torealize11．---Howwasyourevening?---WewenttoJoe’sandhad____.Wereallyenjoyedourselves.A．awhiteelephant B．asquaremeal C．asacredcow D．thesaltoftheearth12．Today'shomeworkwaseasy_______soIfinisheditquicklyandwentouttoplay． A．tobedone B．done C．doing D．todo13．__________62%ofallluxuryconsumersalesinEuropein2015,shoppersfromtheChinesemainlandspent$7.2billionoverseasduringtheSpringFestival.A．Accountingfor B．AddingtoC．Consistingof D．Makingup14．Theinfrastructureprojecthasconsumedsomuchmoneythatwecan'tfindanyfinancialsupportandhaveto______.A．pullout B．pullthroughC．catchup D．catchon15．Thewholenationisstrugglingtoworkoutaninexpensive______effectivesolutiontosmog.A．yet B．still C．or D．though16．---Hewassatisfiedwiththeresult,wasn'the?---No.Itwassodifficultthathe__________havepassedit.A．shouldn't B．mustn'tC．couldn't D．wouldn't17．Mikeislookingforanotherjobbecausehefeelsthatnothinghedoeshisboss.A．serves B．satisfiesC．promises D．supports18．Thatstudentadmittedinthemathexam,thathewouldneverdothatagaininthefuture.A．tohavecheated,promising B．cheating,promisedC．tocheating,promised D．havingcheated,promising19．Iusuallydothewashingupandleavethecookingtomywife，______she’sabettercookthanme．A．unless B．as C．eventhough D．incase20．Theresearcherswhostudyjokeswanttofindout_______peoplefromdifferentnationsandculturesfindfunny.A．why B．thatC．what D．whether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）Inrecentyears,agrowingbodyofresearchhasshownthatourappetiteandfoodintakeareinfluencedbyalargenumberoffactorsbesidesourbiologicalneedforenergy,includingoureatingenvironmentandourperception（感知）ofthefoodinfrontofus.Studieshaveshown,forinstance,thateatinginfrontoftheTV(orasimilardistraction)canincreasebothhungerandtheamountoffoodconsumed.Evensimplevisualclues,likeplatesizeandlighting,havebeenshowntoaffectportionsizeandconsumption.Anewstudysuggestedthatourshort-termmemoryalsomayplayaroleinappetite.Severalhoursafterameal,people'shungerlevelswerepredictednotbyhowmuchthey’deatenbutratherbyhowmuchfoodthey'dseeninfrontofthem—inotherwords,howmuchtheyrememberedeating.Thisdisparity(新旧研究的差异）suggeststhememoryofourpreviousmealmayhaveabiggerinfluenceonourappetitethantheactualsizeofthemeal,saysJeffreyM.Brunstrom,aprofessorofexperimentalpsychologyattheUniversityofBristol."Hungerisn'tcontrolledindividuallybythephysicalcharacteristicsofarecentmeal.Wehaveidentifiedanindependentroleformemoryforthatmeal，"Brunstromsays."Thisshowsthattherelationshipbetweenhungerandfoodintakeismorecomplexthanwethought."Thesefindingsechoearlierresearchthatsuggestsourperceptionoffoodcansometimestrickourbody’sresponsetothefooditself.Ina2011study,forinstance,peoplewhodrankthesame380-caloriemilkshakeontwoseparateoccasionsproduceddifferentlevelsofhunger-relatedhormones（荷尔蒙），dependingonwhethertheshake’slabelsaiditcontained620or140calories.Moreover,theparticipantsreportedfeelingmorefullwhentheythoughtthey'dconsumedahigher-calorieshake.Whatdoesthismeanforoureatinghabits?Althoughithardlyseemspracticaltotrickourselvesintoeatingless,thenewfindingsdohighlightthebenefitsoffocusingonourfoodandavoidingTVandmultitaskingwhileeating.Theso-calledmindful-eatingstrategiescanfightdistractionsandhelpuscontrolourappetite,Brunstromsays.1、Whatissaidtobeafactoraffectingourappetiteandfoodintake?A．Howwefeelthefoodweeat.B．Whenweeatourmeals.C．Whatelementthefoodcontains.D．Howfastweeatourmeals.2、Whatwouldhappenatmealtimeifyourememberedeatingalotinthepreviousmeal?A．Youwouldprobablybemoreparticularaboutfood.B．Youwouldnotfeellikeeatingthesamefood.C．Youwouldhaveagoodappetite.D．Youwouldnotfeelsohungry.3、Whatdowelearnfromthe2011study?A．Foodlabelsmaymisleadconsumersintheirpurchases.B．Foodlabelsmayinfluenceourbody’sresponsetofood.C．Hungerlevelsdependonone'sconsumptionofcalories.D．Peopletendtotakeinalotmorecaloriesthannecessary.4、WhatdoesBrunstromsuggestwedotocontrolourappetite?A．Trickourselvesintoeatingless.B．Choosefoodwithfewercalories.C．Concentrateonfoodwhileeating.D．Pickdishesoftherightsize.5、Whatisthemainideaofthepassage?A．Eatingdistractionsoftenaffectourfooddigestion.B．Psychologicalfactorsinfluenceourhungerlevels.C．Ourfoodintakeisdeterminedbyourbiologicalneeds.D．Goodeatinghabitswillcontributetoourhealth.23．（8分）Todaywetalkaboutatimewhenhalftheworldiswakingfromthedark,coldwintermonths.Spring!Weoftendescribe“spring”asatimeofrebirth,renewalandawakening.Manytreesareblossomingandearlyflowersarepushingthroughtheearth.Thingsarecomingtolife!Buttheword“spring”isnotjustaseason.Itisalsoaverbthatmeanssomethinggoingonorcomingoutquickly.Whenyouput“spring”and“life”together,youwillget“springtolife”.Thisexpressionmeanssomethingsuddenlybecomesveryactiveorperhapsseemsmorealive!Youmay“springtolife”afterhearingthatadistantfriendwillbevisitingyou.Ormaybeyourfavoritesoccerteamfinally“sprangtolife”inthesecondhalf,playedwellandwonthematch.Now,besidesbeingaseasonandaverbthenoun“spring”referstoametalcoil(线圈)thatiswoundtightly.Whenthecoilunwinds,itoftenjumps.So,weoftensayaperson“hasaspringinhisstep”ifheislivelyandactive.Hemightevenappeartojump,orbouncealittlewhenhewalks.Thereisanotherwayweuse“spring”asadescription.Inthecaseofa“springchicken”,“spring”meansyoung.However,“springchicken”isalsoaninformal,humorouswaytorefertosomeonewhoisn’tyoungatall.So,weusethisexpressioninthenegativeform,asin“nospringchicken”.Forexample,let’ssayyouknowan85-year-oldmanwhodecidestorunamarathon,eventhoughhehasneverexercisedbefore.Youcouldsay,“That’samazing!Afterall,he’snospringchicken.”Butbecarefulwhenusingthisexpression.Itcouldbealittledisrespectful.Let’ssayyourbossshowsyouapictureofhiswife,andyousay,“Wow,she’snospringchicken.”Thatresponsewouldbedisrespectfulandabadcareermove.1、Whatdoes“spring”meanintheexpression“springtolife”?A．Theseasonafterwinter.B．Beingyoungandhealthy.C．Atightlywoundmetalcoil.D．Tooccurorappearquickly.2、Whatisthepassagemainlyabout?A．Theoriginoftheword“spring”B．Themeaningoftheseason“spring”.C．Someexpressionswiththeword“spring”.D．Somecharacteristicsoftheseason“spring”.3、Howdoessomeonefeelwhenhe“hasaspringinhisstep”？A．AngryB．SurprisedC．HappyD．Frightened4、Whatcanbeinferredfromthelastparagraph?A．Beingyoungisagreatadvantageincareerdevelopment.B．Womenmayfeeloffendedwhendescribedas“nospringchicken”.C．Using“spring-related”expressionsinconversationsseemsimpolite.D．Expressionswiththeword“spring”arealwaysdisrespectfultoothers.24．（8分）TimeTravelIfyoucouldtravelintime,wherewouldyougo?PerhapsyouwouldwatchanoriginalperformanceofaShakespeare’splayinElizabethanEngland?WhatabouthangingoutwithLaoziintheSpringandAutumnPeriod?Ormaybeyou'dvoyagefaraheadofthepresentdaytoseewhatthefutureholds.Thepossibilityoftimetravelisindeedappealing.Storiesexploringthesubjecthavebeenaroundforhundredsofyears.Perhapsthebestknownexampleissciencefictionnovel.TheTimeMachine,whichwaswrittenbyH.G.Wellsandpublishedin1895forthefirsttime.Itwasadaptedintoatleasttwofeaturefilmsofthesamename,aswellastwotelevisionversions,andalargenumberofcomicbookadaptations.Itisgenerallycreditedwiththepopularizationoftheconceptoftimetravelusingavehiclethatallowsanoperatortotravelpurposefullyandselectively.Theterm"timemachine",coinedbyWells,isnowuniversallyusedtorefertoavehicletransportingpeopleintothefarfuture.Butcouldtimetravelactuallybepossible?Somescientistssayyes,intheory.Theyproposeusingcracksintimeandspacecalled“wormholes”,whichcouldbeusedasshortcutstootherperiods.Einstein’stheoryofrelativityallowstimetravelinextremecircumstances.AndBritishphysicistStephenHawkingsaysyoucouldtravelintothefuturewithareallyfastspaceshipgoingatnearlythespeedoflight.Thoughbuildingsuchaspaceshipwouldofcoursebenosimpletask.Evenifyoucouldtravelintothepast,thereissomethingcalledthe“grandfatherparadox”.Itaskswhatwouldhappenifatimetravelerweretogobackintimeandhavehisowngrandfatherkilledforsomereason,andthereforepreventhimselffrombeingborn.Ifthetimetravelerwasn’tborn,howwouldhetravelbackintime?Andwouldyoureallyliketovisitthefuture?InH.G.Wells’book,themaincharactertravelsintodistanttimewherehearrivesatabeachandisattackedbygiantcrabs.Hethenvoyages30millionyearsintothefuturewheretheonlylivingthingisablackobjectwithtentacles(触角).Ifthat’swhat’sinstore,maybewearebetterjustlivinginthepresentdayafterall.1、ThenovelTheTimeMachinementionedinParagraph2aimstoshow______.A．thecontributionofH.G.Wells B．thestory’sdifferentfeaturesC．thelonghistoryoftimetravel D．people’sinterestintimemachine2、Einstein’sandHawking’stheories_____.A．suggestthepossibilitytoinventthetimemachineB．pushtheinventionofthefirstspaceshipC．haveprovedwrongbysometimetravelersD．havesimilaritiesinmanyway3、InParagraph4,“grandfatherparadox”probablyreferstotheideathat______.A．thetravelerispreventedfrommeetinghisgrandfatherB．thegrandfather’sdeathmakesthetraveler’sbirthimpossibleC．thetravelergoesbackintimetoseekforhisgrandfatherD．thereunionofthetravelerandhisgrandfatherbringshappiness4、Accordingtothepassage,whatisprobablytheauthor’sattitudetowardstimetravel?A．Skeptical. B．Unclear.C．Supportive. D．Unconcerned.25．（10分）"Actingistheleastmysteriousofallcrafts,"MarionBrandooncesaid.Butforscientists,workingoutwhatisgoingoninanactor'sheadhasalwaysbeensomethingofapuzzle.Now,researchershavesaidactorsshowdifferentpatternsofbrainactivitydependingonwhethertheyareincharacterornot.DrStevenBrown,fromMcMasterUniversityinCanada,said,"Itlookslikewhenyouareacting,youaresuppressing(压制)yourself;almostlikethecharacterispossessingyou."Brownandcolleaguesreporthow15actors,mainlytheatrestudents,weretrainedtotakeonaShakespearerole—eitherRomeoorJuliet—inatheatreworkshop.Theyweretheninvitedintothelaboratory,wheretheirbrainswerescannedinaseriesofexperiments.OnceinsidetheMRIscanner,theactorswereaskedtoansweranumberofquestions,suchas:wouldtheygototheparty?Andwouldtheytelltheirparentsthattheyhadfalleninlove?Eachactorwasaskedtorespondtodifferentquestions,basedontwodifferentpremises(前提).Inone,theywereaskedfortheirownperspective,whileintheother,theywereaskedtorespondasthoughtheywereeitherRomeoorJuliet.Theresultsrevealedthatthebrainactivitydiffereddependingonthesituationbeingtested.Theteamfoundthatwhentheactorswereincharacter,theyusesomethird-personknowledgeorinferencesabouttheircharacter.Theteamsaidtheyalsofoundadditionalreductioninactivityintworegionsoftheprefrontalcortex(前额皮质)linkedtothesenseofself,comparedwithwhentheactorswererespondingasthemselves.However,PhilipDavis,aprofessorattheUniversityofLiverpool,wasunimpressedbytheresearch,sayingactingisaboutfarmorethan"pretending"tobesomeone—itinvolvesembodying(体现)thetextandlanguage.1、HowdidDrBrown'steamconducttheirresearch?A．Byscanningthebrainactivityofsomeactors.B．Bydoingasurveywithsometheatregoers.C．Byinterviewingsometheatreteachers.D．Byconsultingsomeexperiencedresearchers.2、WhatisthefindingofDrBrown'sresearch?A．Actingisnotasmysteriousaspeoplethink.B．Actors'brainactivitydifferswhentheyareacting.C．Actingisfarmorethanpretendingtobethecharacter.D．Actors'brainactivityismoreactivewhentheyareincharacter.3、HowdidPhilipDavisreacttotheresearch?A．Hesupportedit. B．Hedoubtedit.C．Heexplainedit. D．Headvocatedit.4、Whatisthetextmainlyabout?A．Adebateofhowthebrainfunctions.B．AplaywrittenbyShakespeare.C．Aresearchonthebrainactivityofactors.D．Areportofthecooperationofscientistsandactors.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）WhenIwasachild,mymomlikedtomakefoodfordinnereverynowandthen.AndIrememberonenight1whenshemadedinnerafteralong,2dayatwork.Onthateveningsolongago,mymomplacedaplateofeggs,sausage,andextremelyburnedtoastinfrontofmydad.Irememberwaitingtoseeifanyone3!Yetallmydaddidwasto4histoast,smileatmymom,andaskmehowmydaywasatschool.Idon’trememberwhatI5himthatnight,butIdoremember6himsmear(涂上)butteronthattoastandeat7bite!8Igotupfromthetablethatevening,Irememberhearingmymom9tomydadforburningthetoast.10I’llneverforgetwhathesaid:“Baby,I11burnttoast.”Laterthatnight,IwenttokissDaddy12andIaskedhimifhereallylikedhistoastburned.Hewrappedmeinhisarmsandsaid,“Son,yourmom13aharddayatworktodayandshe’sreally14Andbesides,alittleburnttoastnever15anyone!”Youknow,lifeisfullofimperfectthings…andimperfectpeople.I’mnotthebesthousekeeperorcook.WhatI’velearnedovertheyearsisthatlearningtoaccepteachother’s16andchoosingtocelebrateeachother’sdifferencesisoneofthemostimportantkeystocreatingahealthyand17relationship.Andthisismyprayerforyoutoday:you’lllearntotakethegood,thebad,andtheuglypartsofyourlifeand18thematthefeetofGod,because19,he’stheonlyonewhowillbeabletogiveyouarelationshipwhereburnttoastisn’tadeal-breaker(煞风景)！Wecouldextend(推广)thistoanyrelationshipinfact20understandingisthebaseofanyrelationship,beitahusband-wifeorparent-childorfriendship!1、A．intime B．inturn C．infact D．inparticular2、A．comfortable B．hard C．boring D．happy3、A．noticed B．punished C．praised D．opposed4、A．enterfor B．answerfor C．reachfor D．makefor5、A．told B．asked C．explained D．promised6、A．helping B．hearing C．making D．watching7、A．one B．every C．another D．neither8、A．Until B．Since C．When D．Aslongas9、A．apologize B．congratulate C．apply D．introduce10、A．Or B．For C．However D．And11、A．hate B．respect C．love D．make12、A．morning B．goodnight C．evening D．night13、A．bringin B．putin C．getin D．takein14、A．lovely B．excellent C．hard-working D．tired15、A．hurt B．found C．expected D．stricken16、A．advantages B．values C．faults D．gifts17、A．lasting B．appreciative C．outstanding D．turning18、A．wrap B．play C．lay D．tie19、A．onthetop B．intheend C．insurprise D．inthelongterm20、A．if B．though C．when D．as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）语法填空EileenTaylorhadsomethingsweetonhermindinthedrive－throughlineatHeav'nlyDonuts.Justthedaybefore，astrangeraheadofherinlinehad1．(generous)paidforhercoffee.“Thegooddeedmadesuch2．bigdifferenceinmyday，”saysEileen.Shehadrecentlylostherjobasaphysician's3．(assist)，andmoneywastight.ButEileen4．(inspire)topaythe$12billofthefamilyinthecarbehindhers.5．shedidn'tknowwasthatherkindnesswouldsetoffachainreaction.Intwoandahalfhours，fifty－fivedriverspaidfortheorderofthepersonbehind6．(they)．Thedoughnutshop'semployees7．(see)thisbefore.ThisHeav'nlyDonuts，infact，isknownasaspecialplace，thecustomersof8．areconsideredas“thebestintheworld”．But，evenso，theworkerswere9．(amaze)thattheshophadmorethandoubleditspreviousrecordbytheendoftheday.Now10．(work)asachemist，EileenvisitsHeav'nlyDonutseverySaturdaymorning，pickingupacoffeeandpayingfortheorderofthecustomerbehindher.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短文。短文中共有10处错误，每句中最多有两处。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。Ihavejustgotsomegoodnewstotellyou.Iwinanationalprizeformypaintinglastweek.MyfatherwassopleasingthathesuggestedIwenttoEnglandforaholidaythissummer.I'dliketostayhereforhalfamonth,visitingsomeplacesofinterestandpractisemyEnglishaswell.Wehavekeptintoucheachotherfornearlyayearnow.Ihaveoftendreamedoftalkingfacetofacewithyou.Ihopeyou'llbeontheholidayatthattime,butI'msurewewillhavealottotalkabout.Ialsowanttobuysomesouvenirformyfriendsathome.IfIhaveanybetterideas,pleasesharethemwithme.第二节书面表达（满分25分）29．（25分）校英文报开设了“HEART-TO-HEART”专栏。假如你是该栏目的编辑李华，收到一封署名为Jamie的求助信。信中Jamie向你诉说了自己的困扰：近日容易发脾气，使正常的学习和生活受到了影响。请用英文给他写一封回信。内容要点如下：1.表示理解并给予安慰；2.提出建议并说明理由。注意：1.词数100左右；2.信中不能出现与本人相关的信息；3.信的开头与结尾已拟好，不计入总词数。参考词汇：tempern.脾气,情绪；loseone’stemper发脾气DearJamie,I’msorrytoknowthatyou’rehavingsuchabadtimeatthemoment.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、D2、C3、A4、A5、C6、B7、C8、A9、B10、D11、B12、D13、A14、A15、A16、C17、B18、D19、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、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.Shesaysthecurrentwaytoidentifywhetherchemicalscausecanceristotestthemoneatatime.Thismethodleads,sheadds,toalonglistofsupposedly“safe”chemicals.Sheandherteamsaythatapproachneedstochange.“Wedefinitelyneedcertainresearch…tofindoutwhatmixturesofchemicalswouldbemoreharmfulthanothers;whatgroupsofchemicals,whentogether,wouldproducemoreharmfuleffects.Andatthemoment,thatisnotknown.”Anestimatedoneinfivecancershasbeenlinkedtochemicalexposure.Itmayturnoutthatthecancer-causingvillain(恶棍)isnotasinglechemicalatall.5、Whateffectmayonesinglechemicalhaveonusaccordingtothetext?A．Itmayletu