新視野大學(xué)英語(yǔ)第三冊(cè)練習(xí)和答案

Book3Unit1MemoryLaneIsn*tWhatItUsedtoBeAboutthistimeeveryyear,Igetverynostalgic.Walkingthroughmyneighborhoodonafallafternoonremindsmeofatimenottoolongagowhensoundsofchildrenfilledtheair,childrenplayinggamesonahill,andthrowingleavesaroundinthestreetbelow,Iwasoneofthosechildren,carefreeandhappy.Iliveonastreetthatisonlyoneblocklong.Ihavelivedonthesamestreetforsixteenyears.Ilovemystreet.Onesidehassixhousesonit,andtheotherhasonlytwohouses,withasmallhillinthemiddleandahugecottonwoodtreeononeend.WhenIthinkofhome,Ithinkofmystreet,onlyIseeitasitwasbefore.Unfortunately,thingschange.Oneday,notlongago,Ilookedaroundandsawhowdifferenteverythinghasbecome.Lifeonmystreetwillneverbethesamebecauseneighborsarequicklygrowingold,friendsaregrowingupandleaving,andthecityisplanningtodestroymyprecioushillandsellthepropertytocontractors.Itishardformetoacceptthatmanyofmywonderfulneighborsarcgrowingoldandwon*tbearoundmuchlonger.Ihavefondmemoriesofthecoupleacrossthestreet,whosattogetherontheirporchswingalmosteveryevening,thewidownextdoorwhoyelledatmybrotherandmeforbeingtooloud,andthecrazyoldmaninablacksuitwhodroveanoldcar.Incontrasttothosepeople,thepeopleIseetodayareveryoldneighborswhohaveseenbetterdays.Themanintheblacksuitsayshewantstodie,andanotherneighborjustsoldhishouseandmovedintoanursinghome.Theladywhousedtoyellatusistootiredtobotheranymore,andthecoupleacrossthestreetrarelygoouttotheirfrontporchthesedays.ItisdifficulttowatchthesepreciouspeopleastheyneartheendoftheirlivesbecauseatonetimeIthoughttheywouldliveforever.The“comingsandgoings“oftheyoungergenerationofmystreetarenowmostly“going”asfriendsandpeersmoveon.Onceuponatime,mylifeandthelivesofmypeersrevolvearoundhome.Theboundaryofourworldwasthegutterattheendofthestreet.Wegotpleasurefromplayingnightgames,orfromabreathtakingrideonabicycle.Thingsaredifferentnow,asmyfriendsbecomeadultsandmoveon.Childrenwhorodetricyclesnowdrivecars.Thekidswhoonceplayedwithmenowhavenewinterestsandvaluesastheygotheirseparateways.Somehavegoneawaytocollege,afewgotmarried,twowentintothearmy,andonewenttoprison.Watchingallthesepeoplegrowupandgoawayonlymakesmelongforthegoodolddays.Perhapsthebiggestchangeonmystreetisthefactthatthecityisgoingtoturnmyprecioushillintoseverallotsfornewhomes.Forsixteenyears,theviewoutofmykitchenwindowhasbeenaviewofthathill.Thehillwasafundamentalpartofmychildhoodlife;itwasthehubofsocialactivityforthechildrenofmystreet.Wespenthourstherebuildingforts,sledding,andplayingtag.Theviewoutofmykitchenwindownowisverydifferent;itisoneoftractorsanddumptruckstearingupthehill.Whenthehillgoes,theneighborhoodwillnotbethesame.Itisapieceofmychildhood.Itisavisualreminderofbeingakid.Withoutthehill,mystreetwillbejustanotherpeainthepod.Therewasatimewhenmystreetwasmyworld,andIthoughtmyworldwouldneverchange.Butsomethinghappened.Peoplegrowup,andpeoplegrowold.Placeschange,andwiththechangecomestheheartacheofknowingIcannevergobacktothetimesIloved.Inayearorso,Iwillbegonejustlikemanyofmyneighbors.Iwillalwayslookbacktomyyearsasachild,buttheplaceIrememberwillnotbethesilentstreetwhosepeaceisinterruptedbythesoundsofconstruction.Itwillbethehappy,noisy,somewhatstrange,butwonderfulstreetIknewasachild.StatementsBysaying“nostalgic”,thewritermeansthathemisseshisparentsverymuch.Thewriterfeelssentimentaleverytimehewalksalonghisstreeteveryyearwhenautumncomes.Thewriterhasbeenlivingonthesamestreetforsixteenyearssincehewasborn.Thewriterfindsithardtoacceptthefactthatmanyofhisgoodneighborsaremovingout.Theladywhousedtoyellatthewriterandhisbrotherforbeingtooloudhasceasedtolive.Thewriterthinksofthepastallthemorewhenheseesthosewhohadgrownupwithhimleavetheneighborhoodtheygrewupin.Noneofthewriter'sfriendsandpeersstilllivesonthestreetnow.Thebiggestchangeonthewriter'sstreetisremovingthehilltomakewayforresidentialdevelopment.Whenthewritersaysthathisstreetwillheanotherpeainthepod,hemeansthathisstreetwillhavesomenewattractions.Thewriterwillmoveoutofhisstreetlikemanyofhisneighborsinayearorso.Key:1-5FTNFF6-10TFTFTPassageoneTheworldpopulationgrowthrateisexpectedtodeclineinthe2000s,fallingfrom1.8%currently(in2000)to1.5%intheyear2010,accordingtotheUSBureauoftheCensus.However,totalpopulationwillincreasebyonebillionduringeachofthenextthreedecades.“Globalpopulationwasestimatedat5.3billionpeoplein1994.75%oftheearth,sinhabitantslivedindevelopingnations,andthatproportionisgoingtoreachover80%bytheyear2020,“saystheCensusBureau."Evenwithareducedgrowthrate,populationincreasescontinuetobelargebecausethepopulationitselfissolarge,"pointsoutthePopulationReferenceBureau(PRB).TheUnitedNations'high,medium,andlowforecastsfortheworld'spopulationarebasedonspecificassumptionsaboutfertilityandmortality(死亡率).Forinstance,ifmortalitycontinuestodeclineandcurrentfamily-planningprogramsandothersocioeconomicpoliciescontinuetolowerfertility,theworld'spopulationcouldstopgrowingafterreachingabout10-11billionpeopleinthelatterhalfofthenextcentury.Iffertilitydeclinesatafasterpace,worldpopulationcouldstopgrowingin2040at8billion.Butiffertilitydeclinesataslowerpace,thepopulationwillgrowuntil2130to14billionaccordingtoPRB.Rural-to-urbanmigration,combinedwithnaturalincrease,isleadingtoadisproportionate(不成比例的)growthinurbanpopulation,especiallyindevelopingnations,saysPRB.In1950,onlythreecitieshadpopulationsover10million.Nowthereare11suchcities,andthatnumberisgrowing.Currently,41%oftheworld*spopulationsliveinurbanareas.In2020,thisproportionisexpectedtoincreaseto60%.Urbanpopulationsindevelopingcountriesaregrowingattwicetheruralrate,accordingtotheCensusBureau.ButruralpopulationsintheThirdWorldarestillgrowingfasterthanurbanpopulationsinindustrializednations.StatementsItisestimatedthattheworldpopulationgrowthratebetween2000and2010isgoingtodecrease.AccordingtoParagraph2,bytheyear2020therewillbeover80%oftheworldpopulationlivingindevelopednations.Alargepopulationbaseisthecauseoftheincreaseoftheworldpopulation.Thereare11citieswithpopulationsover10millionindevelopingnations.In2020,60%oftheworld'spopulationisthoughttoliveinurbanarea.PassageTwoInAfricaandAsiathereisaveryseriousdiseasecalledschistosomiasis（血吸蟲(chóng)?。?Itiscausedbyatinywormwhichcanpenetratetheskinofahumanbeingandcauseapotentiallyseriousillness.Thelarvae（幼蟲(chóng)）ofthesewormsliveincertaintypesofsnails（蝸牛）.Whentheyareready,thelarvae（幼蟲(chóng)）leavethesnailsandenterthebodiesofmenandanimals.InmanyAfricanriversthereisalargeanimalcalledahippopotamus（河馬）.Itlooksratherlikeanenormoussausagewithshortlegsandabigmouth.Hipposspendmuchoftheirtimeintheriverandtheydonotseemtoserveanypurpose.Becauseofthis,someAfricangovernmentsorderedthatthegreatanimalsshouldbeshotonsighttoprovidemeatforlocalpeople.Whenhunterskilledmostofthehipposinsomeareas,thenumberofcasesofthediseaseincreasedrapidly.Therewereoutbreaksofthediseaseinareaswhichhadnotpreviouslyexperiencedit.Atfirst,thehealthauthoritiescouldnotunderstandthereasonwhythediseasehadspread.Theymadeinvestigationsanddiscoveredsomeverysurprisingfacts.Whentheyareinthewater,hipposkeepthemuddywaterinmotionbecausetheymoveaboutfrequently.Whentheyclimbupontheriverbank,theygoinsinglefile,makingnaturalchannelsdownwhichrainwatercanflowintotheriver.Withoutthehippos,mudgatheredintheriversandcausedthemtorunovertheirbanks.Atthesametime,rainwaterwasunabletodrainintotheriverseasily,andthisalsohelpedtoproducefloods.Certaintypesofwatersnailbreedrapidlyonfloodedland,carryingwiththemthelarvaewhichspreadschistosomiasis.NowAfricangovernmentsareimportinghippossothatNaturecandoherworkproperlyandkeepthewatersnailsundercontrol.ThisisoneexampleofwhathappenswhenManinterfereswiththeworkofNature.StatementsSchistosomiasisiscausedwhentheskinofahumanbeingispenetratedbycertainkindsofsnails.Whenhipposareconsidereduseless,someAfricangovernmentsorderedthatthegreatanimalsbesenttozoos.Schistosomiasisspreadinsomeareaswhenhunterskilled90%ofthehipposinsomeareas.Rainwaterwasabletodrainintotheriversthroughthechannelsmadebyhippos.10.NaturecannotdoherworkinasatisfactorywayifManinterfereswithitswork.Key:1-5TFTNF6-10FFNTTDirections:Educationalresearchershavefoundthatthereisastrongrelationshipbetweenreadingandacademicsuccess.Inotherwords,astudentwhoisagoodreaderismore]todowellinschoo1andpassexamsthanastudentwhoisaweakreader.Goodreaderscanunderstandtheindividualsentencesandtheorganizationalstructureofapieceofwriting.Theycancomprehendideas,2_arguments,anddetectimplications.Theyknowmostofthewordsinthetextalready,buttheycanalsodeterminethemeaningofmanyofthe3wordsfromthecontext—failingthis,theycanusetheirdictionaryeffectivelytodoso.Insummary,goodreaderscanobtainfromthewritingwhatisimportantfortheparticulartasktheyareemployedin（從事于）.Andtheycandoitquickly!Educationalresearchershavealsofoundastrongrelationshipbetweenreadingandvocabularyacquaintance.Inotherwords,studentswhohavealargevocabularyareusuallygoodreaders.Thisisnotverysurprising,sincethebestwaytoacquirealargevocabularyistoreadalot.Andifyouread4_youarelike1ytobeorbecomeagoodreader!Soifyouwantyourchildtobesuccessfulatschool,encouragehimorhertoread.Readingnon-fiction俳小說(shuō)類(lèi)文學(xué)）inEnglishisprobablythemostimportant,butEnglishfictionandanyreadinginthemother5-ifdoneatlength一willhelpyourchilddevelopthereadingcompetencethatisessentialforacademicachievement.Goodbooklistscanbefoundinjustaboutanylibrary. A.extensivelyB.likely C.followD.earnE,acquire F.inspire G.tongue H.unfamiliar Key:BCHAGNotayearaftermymother'sdeath,thefollowingsummer,myfatherbroughtmealongtopickupaguest.HernamewasAmana.Shewascomingtovisitfromoutoftown.Shewasabig,beautiful,middle-agedblackwomanwhowasasinger.Shehadother]aswell.Thesetalentsreachedbeyond2.Amanahadoneofthesweetest3Ihadeverseen.IdidnotknowmanyblackpeopleatthatagethoughIhadnotbeen4asaracistintheleast.AndtherewerenoblackkidsattheschoolsIhad5.WepickedherupattheSanFranciscoairport.Whenwereachedourcar,mydad6formetogetintothebackseat.“Comeandsitinthefront.There'splentyof_7here,andyoumaysitrightinthemiddle,''Amanasaid.Ismiledandwithoutlookingtomyfatherfor8Igotinandmovedquicklytothemiddleofthehugewhiteleatherseats.kkThere,that'sbetter,''shesaidasshesatdown_9me.WedroveuptoNorthBeachtoaseafoodplace.Thethreeofussatthereandtalked.WehadthemostenormousA.capacitiesinstinctstalentsgeniusA.matchcomparecontrastcompetitionA.expressionsoverlooksexhibitionsindicationsA. grown B. broughtC. taught D.raisedA. attended B.takenC. intended D.goneA.inquiredB.motionedC. indicated D.identifiedA. place B.seatC. room D.gapA. sanctionorderfavorapprovalA.toward B.besideC.inside D.besidesA.imaginepictureassumesuspectA.enoughB.plenty

lobsterfeastyoucouldever10.Theselobstersweresobigthatjustthemeatintheirclawswas11tomakeameal.IwasgladthatIwasquitehungrywhenI12.Amanatoowassurprisedatthefeast.Asformyfather,hewashappytohearthecomplimentswewere13himforfindingsuchaplaceandtakingustodinnerthere.ItwasadinnerIwillalwaysremember,becauseofthewonderfulfoodandAmana,whowasas14inspeakingwithmeasshewasintalkingwithmyfather.What'smore,myfatherwasinabetter15thanIhadseenhiminsometime.Thatnightwedrovesouth,backtoPebbleBeach.Amanawasgoingtobeourhouseguest,Idiscovered,muchtomy16.Whenwearrivedhome,Ihelpedourguestwithherbagsand17hermysister'soldroom.Itwas_18nexttomine.Thiswaswheredadsaidshewouldbe19 .TheroomwasonceformysisterSherynandsinceshehadmovedawayitwastheonemost20forhouseguestsnow.ThoughIusuallyhadmoreenergythantherewastimeinthedaytoexpenditon,Ibidmynewfriendgoodnightandshegavemeabighugandkiss.adequateabundantA.droveinB.walkedinC.servedinD.brokeinadequateabundantA.droveinB.walkedinC.servedinD.brokeinA.givingindicatinggrantingrewardingA.concernedpreoccupiedinterestedattractedA.mind B.atmosphereC.temper D.moodA.fascinationimpressionpassionexcitementA.displayedB.showedC.accompaniedD.presentedA.directB.exactC.rightD.accurateA.occupying B.keepingC.remaining D.stayingA.used B.constructedC.employed D.operatedDoyounoticethataretardedchildoftenshowsa/anlook?A.hollowB.emptyC.bareD.vacant(Key:C)Inmanymajorcitiestherearemoreapartmentsthantherearehomelesspeople.A.blankB.emptyC.vacantD.bare(Key:C)Itisinterestingthatmanyanimalscantheirearsandnoses.Butit'snoteasyforhumanbeingstodoso.A.trembleB.shiverC.quiverD.quicken(Key:B)AcomputerofApplebrandcostsfarmoreinChinathanabroad.A.comparativeB.comparableC.comparingD.compared(Key:D)Weshouldbeofthecomfortofoldpeople.A.concernedB.carefulC.considerableD.considerate(Key:D)Theleaderoftheexpeditioneveryonetofollowhisexample.A.promotedB.aspiredC.sparkedD.inspired(Key:C)AftertheEnglishevening,thestudentssaid“Goodnight"tooneanotherandwenthome.A.respectablyB.respectfullyC.respectivelyD.respectedly(Key:D)Allproductsforsaleoronsaleshouldbeasfarasqualityisconcerned.A.protectedB.pledgedC.guardedD.guaranteed(Key:D)Thepresidentcalledthepeopleofhiscountrytoworkhardfornationalunity.A.upB.forC.outD.on(Key:C)Itisnoteasyforchainsmokerstofromsmoking.A.restrainB.checkC.refrainD.retain(Key:C)Youshouldtrytoyourambitionandbemorerealistic.A.reserveB.refrainC.restrainD.retain(Key:A)Tomakegoodfriends,onehastobea(n)person.A.uprightB.erectC.upwardD.straight(Key:B)Shecutherhairshortandtriedtoherselfasaman.A.decorateB.disguiseC.pretendD.fake(Key:A)Ourguideallofusandwecouldnotfindourwaybacktothehotel.A.misledB.forgaveC.forbadeD.approached(Key:B)Havingfinishedtheirmorningwork,theclerksstoodupbehindtheirdesks,themselves.A.expandingB.stretchingC.enlargingD.extending(Key:D)Afterfouryearsinthesamejob,hisenthusiasmsfinally.A.worsenedB.boomedC.decayedD.drained(Key:C)Althoughthetwoplayersareinthetenniscourt,theyarereallygoodfriends.A.partnersB.enemiesC.rivals D.companions(Key:A)Theprospectofincreasedpriceshasalreadyworries.A.provokedB.prohibitedC.inspiredD.encouragedV.WBThenextpostalisat2o'clock,(deliver)(Key:delivery)Thereisaplaceovertherewherewecanparkourcar.(vacancy)(Key:vacant)Thedogremainedtohismaster,(faith)(Key:faithfumplicity)Pleasemakeawrittenofallthegoodsyouboughtabroad,(declare)(Key:declaration)Sellingyourhousecanbeaandtime-consumingbusiness,(cost)(Key:costly)Acarwouldcostfarmoreabroad,(comparison)(Key:comparable)ProfessorHawkingisasoneoftheworld*sgreatestlivingphysicians.(acknowledgement)(Key:acknowledged)Yourchildrenarealwaysverytowardsoldpeople,(consideration)(Key:considerate)10.1hadto myselffromtellinghimwhatIthoughtofhim.(restraint)(Key:restrain)VI.TranslationDirections:TranslatetheEnglishsentencesintoChinese.Whensomeonedoessomethingforyou,nomatterhowsmallandnomatterwhetherheissuperiororinferior,itispropertosay“Thankyou”tohim.答案:每當(dāng)有人幫助你,不論事情大小,無(wú)論他地位高低,你都應(yīng)對(duì)他說(shuō)聲“謝謝'Theboy,whoseliferevolvedaroundhisbrother,hadnodifficultyworkingoutwhatheshoulddotopleasehim.答案:這個(gè)男孩的生活天天圍著哥哥轉(zhuǎn),完全明白做什么來(lái)使哥哥高興。Sheclaimedthatincreasesin"greenhousegases“suchascarbondioxideareparallelingthegrowthincarownership.答案:她表示,二氧化碳等“溫室氣體’‘正隨著汽車(chē)保有量的增長(zhǎng)而增加。Asateacheryouhavetoadjustyourmethodstosuittheneedsofslowerchildren.答案:作為教師,必須適時(shí)調(diào)整方法,以滿足接受能力較差的孩子的需要。NomatterhowhardItriedtopleaseher,shehadavacantexpressiononherface.答案:不論我如何努力取悅她,她還是面無(wú)表情。Ifyou'reagreeabletoourproposal,we'llgoahead.答案：如果你同意我們的建議,我們就進(jìn)行了。Bytheendofthegame,thestadiumwasalmostvacant.答案：到比賽結(jié)束的時(shí)候,體育館幾乎空了。VII.GW(GuidedWriting)Directions:Forthispart,youareallowed30minutestowriteacompositiononNetAddictionaccordingtotheChineseoutline,andyoumustuseatleast120words..近年來(lái)青少年上網(wǎng)成癮已經(jīng)成為社會(huì)問(wèn)題;.青少年上網(wǎng)成癮的主要原因是…；.對(duì)此問(wèn)題的解決辦法范文：NetAddictionInternetaddictionamongyoungpeoplehaslongbeenrecognizedasasocialprobleminChina.It'sacommonknownfactthatInternetaddictioncanhaveadevastatingeffectonyoungpeoples'healthandsociallives.Studentsmaywastetoomuchoftheiryouthinfrontofacomputerscreen.Manyyoutharetheonlychildintheirfamilies.Theydon'thaveenoughchancetoassociatewithparents.Also,thelackofactivitiesforthemcanleadtointernetaddiction.Whenpeoplegrowup,iftheydon'tspendtimeonsportsorotherpositiveintereststheyoftenturntotheInternettokilltime.Howdowedealwiththisproblem?Associatingmorewithfamily,friendsandnaturecanreallyhelpinternetaddictskickthehabit.Everyoneunderstandsthatparentsnowadaysarebusy,butiftheyjustspendmoretimecommunicatingwiththeirkids,theycanhelpavoidtheirchildrenfrombecomingaddictedtotheinternet.Butmorethanthis,allofsocietyshouldbecomeconcernedaboutthenegativesidesoftheInternet.Thoroughlyeradicatingtheproblemofinternetaddictioninvolvesmanybranchesofsociety.Weneedmorepositiveculturalproducts,weneedtocommunicatewithothersmoreintherealworld,andwealsoneedtothinkaboutbalancingeconomicprosperitywiththefuturesofourkids.英語(yǔ)讀寫(xiě)(3)第二單元I.RF(1)SheWantedtoTeachArailroadwasbeingbuiltallthewaydowntheeastcoastoffFlorida,fromJacksonvilletoMiamiandNegroworkerswereemployedbecausetheywerecheap.AgreatmanyofthemwereinDaytona.Mostofthemhadchildren.TheywerelivinginshacksworsethanthoseintheTerryinAugusta.Thechildrenwererunningwildinthestreets.MaryBethuneseemedtohearavoicesay,“Whatistheplace?Buildyourschoolthere.”Herhusband,Albertus,wasn'tsosureaboutherschool.HethoughtPalatkawasaprettygoodplaceforthemtolive.Marylistenedbutshenevergaveupheridea.SheknewthatifshewenttoDaytona,Albertuswouldcometoo.OnedayshebeggedarideforherselfandherlittleboywithafamilythatwasgoingtoDaytona.Itwasonlyseventymilesaway.Butin1904thesandwasdeeponFloridaroads.Practicallynoonehadanautomobile-certainlynotthepoorfamilythatgaveMaryandlittleAlbertaride.SoitwasthreedustydaysaftertheyleftPalatkabeforetheyreachedDaytona.ThereMaryhunteduptheonlypersonsheknew,andsheandlittleAlbertstayedwiththisfriendforafewdays.AsshehaddoneinTheTerryinAugusta,MarywalkedupanddownthepoorstreetsofDaytona.Shewaslookingfortwothings一abuildingfortheschoolshewasdeterminedtostartandsomepupilsforthatschool.Afteradayortwo,shefoundanemptyshackonOakStreet.Shethoughtthiswoulddo.Theownersaidshecouldrentitfor$11.00amonth.Butitwasn'tworththatmuch.Thepainthadpeeledoff,thefrontstepswobbled（搖晃）sothatshehadtohangontotheshakyrailingtokeepfromfalling,thehousewasdirty,ithadaleakyroof.Inmostofthewindowsthepanesofglasswerebrokenorcracked.Elevendollarsamonth!Marysaidsheonlyhad$1.50.Shepromisedtopaytherentassoonasshecouldearnthemoney.Theownertrustedher.Bythetimeshewassureshecouldhavethebuilding,shehadfivelittlegirlsfromtheneighborhoodasherpupils.Whataschool!Aricketyoldhouseandfivelittlegirls!Thelittlegirlspitchedinandcleanedthehouse.Theneighborshelpedwithscrubbingbrushes,brooms,hammers,nails,andsaws.Soonthecottagecouldbelivedin,buttherewerenochairs,notables,nobeds.Therewasnostove.However,therewerenopotsandpanstocookin,eveniftherehadbeenastove.Marysetaboutchangingthesethings.Shefoundthingsintrashpilesandthecitydump.NobodybutMarywouldhavethoughtofmakingtablesandchairsanddesksfromtheoldcratesshepickedupandbroughthome.Behindthehotelsonthebeachshefoundcrackeddishes,oldlamps,evensomeoldclothes.Shetookthemhometoo.Everythingwasscouredandmendedandused."Keepthingscleanandneat"washermottothen;andaslongasshelivedthepupilsinherschoolhadtoliveuptothatmotto.Herlittlepupilshadnopencils.Theywrotewithpiecesofcharcoalmadefromburnedlogs.Theirinkwaselderberryjuice.Whatgoodwasinkorapenciliftherewasnopapertowriteon?Marytookcareofthattoo.Everytimeshewenttothestoretogetalittlefood,orafewpotsandpans,shehadeacharticlewrappedseparately.Thepiecesofwrappingpaperwerecarefullyremovedandsmoothedout.Thelittlegirlsusedthispapertowritetheirlessonswiththeircharcoalpencils.Sheneededacookstoveverybadlybutshecouldn'tpayforone.Whatshouldshedo?Herlittlepupilshadtohavewarmfood.Unexpectedly,theproblemwassolvedforher.Onedayawrinkledoldwhiteneighborsaidtoher,“Canyouread?”Marysaid,"Yes.”“Thenwillyoureadmethisletterfrommyson?Ican'tfindmyglasses"Maryreadthelettertoher."Thanks,"saidthemother.Maryturnedtogo."You'rewelcome."Theoldwomanstoodbyheropendoorandthoughtamoment.Thenshesaid,“IgotanoldcookstoveandIdon'tneedit.Wouldyouwantit?"StatementsAccordingtothepassage,weknowthatarailroadwasunderconstructionanditwouldconnectJacksonvillewithMiami.ThechildrenoftheNegroworkerscouldn7attendschoolbecauseNegroeshadlowsocialstatus.Mary'shusband,Albertus,wasinfavorofherideaofgoingtoDaytona.MaryandlittleAlberttookacarandreachedDaytonathreedaysaftertheyleftPalatka.Marywasmakingpreparationsforherschool.TheemptyshackonOakStreetwasinpoorcondition.WecaninferthatMarysucceededinrentingtheshackfromtheownerandsheenrolledfivegirlstudents.Marycouldn'tfindasolutiontofurnishherschoolwithtables,chairsanddesks.Mary'spupilsusedelderberryjuicetowritewithbecausetheypreferredittoink.AnoldwomanofferedanoldcookstovetoMaryandMarysolvedherproblemunexpectedly.Key:1-5TNFFT6-10TTFFT（2）Passage1By2020,youmaybedrivingapollution-free,recyclablecar,eatinggeneticallyengineeredfoodgrownwithoutpesticides（殺蟲(chóng)劑）;avoidingrush-hourtrafficjamsbyworkingandshoppingatyourhomecomputer,andlightingyourhomewithwindpower.Thesurpriseisthatinthe20thcentruy,technologysometimesseemedintentondestroyingtheenvironmentwithamessofsmog-belchingcars,toxicwastesandpollutedwaters.Increasingly,technologyhasthepotentialtohelpcleanupthemess.Weareonthevergeofa“greenrevolution"inthewayautomobilesarefueledandenergyisgenerated.And,bestofall,therevolutionmayberelativelypainless,sparingaffluentconsumerstheneedtosacrificecomfortablelifestyles.Theinnovationcreatingthemostexcitementisthedevelopmentof“fuelcell"technology,whichuseshydrogen（氫）andoxygen（氧）tosetoffachemicalreactionthatproduceselectricity.Thefuelcell,originallydevelopedfortheUSspaceprogramandcurrentlyinuseinthespaceshuttle,hasthepotentialtoreplacethesortofenginethatispresentlyusedincarsandcreatemotorvehiclesthatspewharmlesswatervaporfromtheirtailpipes（排氣管）.Motoristswouldrefuelatservicestations,pumpingmethanol（甲酉學(xué)ノthatwouldbeconvertedtohydrogeninsidetheirvehicles.Fuelcellsalsocouldactasminipowerplantsproducingcleanelectricityandhotwaterinhomesandoffices.StatementsBy2020,thetechnologywilldestroytheenvironmentwithamessofsmog-belchingcars,toxicwasteandpollutedwaters.The**greenrevolution“inthewayautomobilesarefueledandenergyisgeneratedmaybepainful.The“fuelcellnisthetechnologyoriginallydevelopedfortheUSspaceprogram.“FuelcellMistheonlysafetechnologyusedinthemotorcompanies.Electricityandhotwaterinhomesandofficesmaybeproducedby"fuelcellPassage2HarvardisAmerica'soldestinstitutionofhigherlearning,foundedin1636,140yearsbeforetheDeclarationofIndependencewassigned,andwasnamedforitsfirstbenefactor,JohnHarvardofCharlestown.JohnHarvardwasayoungministerwho,uponhisdeathin1638,lefthislibraryandhalfhisestatetothenewinstitution.Itsmission,toadvancenewideasandpromoteenduringknowledge,haskepttheUniversityyoung.Theexpression"everytubonitsownbottom”isoftenusedtodescribethedecentralizedorganizationandfinancialarrangementofHarvard'sprincipalacademicunits:ninefacultiesoverseeingHarvard's12schoolsandcollegesandtheRadcliffInstituteforAdvancedStudy.Eachunitisheadedbyadean,whoisappointedbythepresident,andeachisdirectlyresponsibleforitsownfinancesandorganization.TheUniversityadmini