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每日一练03Darioandhismotherlovedtheirnewapartment.Thelivingroomwaslargeenoughfortheirpiano.Thatnight,thetwoofthem1sidebysideatthepiano.Theyplayedjazzmusictocelebratetheirnewhome.Theloud2filledtheroomandmadethemfeelveryhappy.Thenextmorning,3,theirhappinessdisappeared.Someonehadlefta4undertheirdoorduringthenight.Oneoftheirneighborhadwrittentocomplain(埋怨)aboutthesoundofthepiano.Laterthatmorning,Dariosuggestedthattheyinvitethemtocometheirnewhomefora5.Theybothlovedthe6.Overthenextfewdays,theysentoutinvitationsandprepareddesserts7theirguests.Finally,thedayoftheparty8.Someguestsbroughtpresents.Othersbroughtflowers.Someevenbroughtdessertsto9.Onewoman,Mrs.Gilbert,10Dario’smotherwithabookofpianomusicbyChopin.“Iheardyouplayingtheothernight,”shesaid.“Thesoundswokemeoutofbed.I11thatyoumightplaylikethiseverynight.SoIwroteashortnote.Ihopeyoudon’tthinkIdislikedtheplaying.”Dario’smothersmiledatMrs.Gilbert.“Ithinkmaybewe12youanapology.”shesaid.“Ididn’t13howlateitwaswhenwewereplaying.Maybeweshouldplaysomequietermusicatnight.“Youplay,youplay!”Mrs.Gilbertsaid.“Ilikewhatyouplay!Justnotsoloudatnight.”“Wewon’tplaysoloudorlate!”Dariosaid.Hewasalreadylookingforwardto14thenewmusic.Morethanthat,however,hewashappytoseethebigsmileonhismother’sface.Itgavehimafeelingof15andmadehimfeelthattheywerehomeatlast.A.sat B.stood C.lay D.walkedA.voice B.ring C.music D.cryA.therefore B.however C.otherwise D.insteadA.note B.poster C.bill D.reportA.party B.concert C.show D.playA.experience B.idea C.performance D.actionA.to B.with C.for D.fromA.continued B.arrived C.passed D.finishedA.order B.sell C.share D.advertiseA.treated B.presented C.helped D.servedA.promised B.admitted C.agreed D.worriedA.give B.send C.offer D.oweA.realize B.remember C.understand D.acceptA.changing B.practicing C.recording D.writingA.equality B.freedom C.warmth D.sympathyIn1863thefirstundergroundpassengerrailwayintheworldopenedinLondon.It16(run)forjustundersevenkilometersandallowedpeopletoavoidterriblecrowdsontheroadsaboveastheytravelledtoand17work.Ittookthreeyearstocompleteandwasbuiltusinganinterestingmethod.Thisincluded18(dig)uptheroad,layingthetrackandthenbuildingastrongroofoverthetop.Whenallthosehadbeendone,theroadsurface19(replace).Steamengineswereusedtopullthecarriagesanditmusthavebeenfairly20(pleasant)forthepassengers,withallthesmokeandnoise.However,therailwayquicklyprovedtobe21greatsuccessandwithinsixmonths,morethan25,000peoplewereusing22everyday.Later,engineersmanagedtoconstructrailwaysinasystemofdeeptunnels(隧道),23__becameknowntothetube.Thisdevelopmentwasonlypossiblewiththe24(introduce)ofelectric-poweredenginesandlifts.ThecentralLondonRailwaywasoneofthemostsuccessfulofthesenewlines,andwasopenedin1900.Ithadwhite-paintedtunnelsandbrightredcarriages,andproved25(extreme)popularwiththepublic.Whenaleafyplantisunderattack,itdoesn’tsitquietly.Backin1983,twoscientists,JackSchultzandIanBaldwin,reportedthatyoungmapletreesgettingbittenbyinsectssendoutaparticularsmellthatneighboringplantscanget.Thesechemicalscomefromtheinjuredpartsoftheplantandseemtobeanalarm.Whattheplantspumpthroughtheairisamixtureofchemicalsknownasvolatileorganiccompounds,VOCsforshort.ScientistshavefoundthatallkindsofplantsgiveoutVOCswhenbeingattacked.It’saplant’swayofcryingout.Butisanyonelistening?Apparently.Becausewecanwatchtheneighbors’react.Someplantspumpoutsmellychemicalstokeepinsectsaway.Butothersdodoubleduty.Theypumpoutperfumesdesignedtoattractdifferentinsectswhoarenaturalenemiestotheattackers.Oncetheyarrive,thetablesareturned.Theattackerwhowaslunchingnowbecomeslunch.Instudyafterstudy,itappearsthatthesechemicalconversationshelptheneighbors.Thedamageisusuallymoreseriousonthefirstplant,buttheneighbors,relativelyspeaking,staysaferbecausetheyheardthealarmandknewwhattodo.Doesthismeanthatplantstalktoeachother?Scientistsdon’tknow.Maybethefirstplantjustmadeacryofpainorwassendingamessagetoitsownbranches,andso,ineffect,wastalkingtoitself.Perhapstheneighborsjusthappenedto“overhear”thecry.Soinformationwasexchanged,butitwasn’tatrue,intentionalbackandforth.CharlesDarwin,over150yearsago,imaginedaworldfarbusier,noisierandmoreintimate(密切的)thantheworldwecanseeandhear.Oursensesareweak.There’sawholelotgoingon.26.Whatdoesaplantdowhenitisunderattack?A.Itmakesnoises. B.Itgetshelpfromotherplants. C.Itstandsquietly D.Itsendsoutcertainchemicals.27.Whatdoestheauthormeanby“thetablesareturned”inparagraph3?A.Theattackersgetattacked. B.Theinsectsgatherunderthetable.C.Theplantsgetreadytofightback. D.Th
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