Tobeginwith,"muzak"(音樂廣播網)wasintendedsimplytocreateasoothing(安慰)atmosphere.Recently,however,it'secomebigbusiness—thanksinparttorecentresearch.Dr.RonaldMilliman,anAmericanmarketingexpert,hasshownthatmusiccanboostsalesorincreasefactoryroductionbyasmuchasathird.But,ithastobelightmusic.Afastonehasnoeffectatallonsales.Slowmusiccanincreasereceiptsby38%.Thisisprobablybecauseshoppersslowdownandhavemoreopportunitytospotitemstheyliketobuy.Yet,slowmusicisn'talwaysanswer.Dr.Millimanfound,forexample,thatinrestaurantsslowmusicmeantcustomerstooklongertoeattheirmeals,whichreducedoverallsales.Sorestaurantsownersmightbewelladvisedtoplayup-tempomusictokeepthecustomersmoving—unlessofcourse,theresultingindigestionleadstocomplaints!
練習:
1.Thereasonwhybackgroundmusicissopopularisthat______.
A.itcanhaveapowerfuleffectonthosewhohearit
B.itcanhelptocreateasoothingatmosphere
C.itcanboostsalesorincreasefactoryproductionerywhere
D.itcanmakecustomerseattheirmealsquickly
2.Backgroundmusicmeans________.
A.lightmusicthatcustomersenjoymostB.fastmusicthatmakespeoplemovefast
C.slowmusicthatcanmakecustomersenjoytheirmeals
D.themusicyouarelisteningtowhileyouaredoingomething
3.Restaurantownerscomplainaboutbackgroundmusicbecause______.
A.itresultsinindigestion
B.itincreasestheirsales
C.itkeepscustomersmoving
D.itdecreasestheirsales
4.Theword"up-tempomusic"probablymeans_____.
A.slowmusic
B.fastmusic
C.lightmusic
D.classicalmusic
1、B ;2、D ;3、D; 4、B
暫無解析
Tobeginwith,"muzak"(音樂廣播網)wasintendedsimplytocreateasoothing(安慰)atmosphere.Recently,however,it'secomebigbusiness—thanksinparttorecentresearch.Dr.RonaldMilliman,anAmericanmarketingexpert,hasshownthatmusiccanboostsalesorincreasefactoryroductionbyasmuchasathird.But,ithastobelightmusic.Afastonehasnoeffectatallonsales.Slowmusiccanincreasereceiptsby38%.Thisisprobablybecauseshoppersslowdownandhavemoreopportunitytospotitemstheyliketobuy.Yet,slowmusicisn'talwaysanswer.Dr.Millimanfound,forexample,thatinrestaurantsslowmusicmeantcustomerstooklongertoeattheirmeals,whichreducedoverallsales.Sorestaurantsownersmightbewelladvisedtoplayup-tempomusictokeepthecustomersmoving—unlessofcourse,theresultingindigestionleadstocomplaints!
練習:
1.Thereasonwhybackgroundmusicissopopularisthat______.
A.itcanhaveapowerfuleffectonthosewhohearit
B.itcanhelptocreateasoothingatmosphere
C.itcanboostsalesorincreasefactoryproductionerywhere
D.itcanmakecustomerseattheirmealsquickly
2.Backgroundmusicmeans________.
A.lightmusicthatcustomersenjoymostB.fastmusicthatmakespeoplemovefast
C.slowmusicthatcanmakecustomersenjoytheirmeals
D.themusicyouarelisteningtowhileyouaredoingomething
3.Restaurantownerscomplainaboutbackgroundmusicbecause______.
A.itresultsinindigestion
B.itincreasestheirsales
C.itkeepscustomersmoving
D.itdecreasestheirsales
4.Theword"up-tempomusic"probablymeans_____.
A.slowmusic
B.fastmusic
C.lightmusic
D.classicalmusic
FelicityLawrence
ThursdayDecember28,2006
TheGuardian
1.ConsumersaretobepresentedwithtworivalnewyearadvertisingcampaignsastheFoodStandardsAgencygoespublicinitsbattlewiththeindustryoverthelabellingofunhealthyfoods.
2.TheGuardianhaslearnedthattheFSAwilllaunchaseriesof10-secondtelevisionadvertsinJanuarytellingshoppershowtofollowared,amberandgreentrafficlightlabellingsystemonthefrontoffoodpacks,whichisdesignedtotackleBritain’sobesityepidemic.
3.Thecampaignisadirectresponsetoaconcertedattemptbyleadingfoodmanufacturersandretailers,includingKellogg’sandTesco,toderailthesystem.Theindustryfearsthattrafficlightswoulddemoniseentirecategoriesoffoodsandcouldseriouslydamagethemarketforthosethatarefatty,saltyorhighinsugar.
4.TheUKmarketforbreakfastcerealsisworth£1.27bnayearandthemanufacturersfearitwillbeseverelydentedifredlightlabelsareputonpackagingdrawingattentiontothefactthatthemajorityarehighinsaltand/orsugar.
5.Theindustryisplanningamajormarketingcampaignforacompetinglabellingsystemwhichavoidscolour-codinginfavourofinformationaboutthepercentageof"guidelinedailyamounts"(GDAs)offat,saltandsugarcontainedintheirproducts.
6.Thebattleforthenation’sdietcomesasnewrulesontelevisionadvertisingcomeintoforceinJanuarywhichwillbaradvertsforunhealthyfoodsfromcommercialbreaksduringprogrammesaimedatchildren.SourcesattheTVregulatorsarebracedforalegalchallengefromtheindustryandhavedescribedthelobbyingeffortstoblockanynewadbanorcolour-codedlabellingas"themostferociouswe’veeverexperienced".
7.Ofcom’schiefexecutive,EdRichards,said:"Wearepreparedtofaceuptoanylegalactionfromtheindustry,butweverymuchhopeitwillnotbenecessary."TheFSAsaiditwasexpectinganonslaughtfromtheindustryinJanuary.SeniorFSAofficialssaidthemanufacturers’effortstoundermineitsproposalsonlabellingcouldthreatentheagency’scredibility.
8.TerrenceCollis,FSAdirectorofcommunications,dismissedclaimsthattheproposalswerenotbasedonscience."WehavesomeofthemostrespectedscientistsinEurope,bothwithintheFSAandinourindependentadvisorycommittees.ItisunjustifiedandnonsensicaltoattacktheFSA’sscientificreputationandtotrytoundermineitscredibility."
9.TheFSAisunderstoodtohavebriefeditsadagency,United,beforeChristmas,andwillaimtoairadsthatare"non-confrontational,humorousandfactual"asacounterweighttoindustry’seffortsaboutthesametime.Theagency,however,willhaveatinyfractionofthebudgetavailabletotheindustry.
10.GavinNeath,chairmanofUnileverUKandpresidentoftheFoodandDrinkFederation,hassaidthattheindustryhasmadeenormousprogressbutcouldnotacceptred"stop"signsonitsfood.
11.AlastairSykes,chiefexecutiveofNestléUK,saidthatundertheFSAproposalsallhiscompany’sconfectioneryandmostofitscerealswouldscoreared."Arewesayingpeopleshouldn’teatconfectionery?We’redrivenbyconsumersandwhattheywant,andmuchofwhatwedohasbeentomakeourproductshealthier,"hesaid.
12.ChrisWermann,directorofcommunicationsatKellogg’s,said:"Inprinciplewecouldneveraccepttrafficlightlabelling."
13.TherivallabellingschemeintroducedbyKellogg’s,Danone,Unilever,Nestlé,KraftandTescoandnowfavouredby21manufacturers,usesanindustry-devisedsystembasedonidentifyingGDAsofkeynutrients.TescosaysithastestedbothtrafficlightsandGDAlabelsinitsstoresandthatthelatterincreasedsalesofhealthierfoods.
14.ButtheFSAsaiditcouldnotlivewiththisGDAsystemalonebecauseitwas"notscientific"oreasyforshopperstounderstandataglance.
Questions1-6
AnswerthequestionsbelowusingNOMORETHANTHREEWORDSfromthepassageforeachanswer.
1.Whenwillinstructionsbegivenonreadingthecolor-codedlabels?
2.Wherecancustomersfindtheredlightlabels?
3.WhatproblemistheFSAtryingtohandlewiththelabelingsystem?
4.Whichproductsellswellbutmaynotbehealthy?
5.Whatinformation,accordingtothemanufacturers,canbelabeledonproducts?
6.Whatcannotbeadvertisedduringchildren’sprogrammes?
Questions7-13
Usetheinformationinthetexttomatchthepeople(listedA-E)withtheopinions(listed7-13)below.Writetheappropriateletter(A-E)forquestions1-7.
NBYoumayuseanylettermorethanonce.
AEdRichard
BTerrenceCollis
CGavinNeath
DAlastairSykes
EChrisWermann
7.Generallywewillnotagreetousetheredlightlabels.
8.ItisunreasonabletodoubtifFSAistrustworthy.
9.Wearetryingtomeetourconsumers’needs.
10.Thefoodindustryhasbeenimprovinggreatly.
11.Thecolor-codedlabelingsystemisscientific.
12.OurproductswillbelabeledunhealthybytheFSA.
13.Wearereadytoconfrontthemanufacturers.
HowaFrenchmanisrevivingMcDonald’sinEurope
A.WhenDenisHennequintookoverastheEuropeanbossofMcDonald’sinJanuary2004,theworld’sbiggestrestaurantchainwasshowingsignsofrecoveryinAmericaandAustralia,butsalesinEuropeweresluggishordeclining.OneexceptionwasFrance,whereMrHennequinhaddoneasterlingjobasheadofthegroup’sFrenchsubsidiarytosellmoreBigMacstohiscompatriots.Histaskwastoreplicatethissuccessinall41oftheEuropeancountrieswhereanti-globalisers’favouriteenemyoperates.
B.SofarMrHennequinisdoingwell.LastyearEuropeansalesincreasedby5.8%andthenumberofcustomersby3.4%,thebestannualresultsinnearly15years.Europeaccountedfor36%ofthegroup’sprofitsandfor28%ofitssales.DecemberwasanespeciallygoodmonthascustomerstooktoseasonalmenuofferingsinFranceandBritain,andtoapromotioninGermanybasedonthegameofMonopoly.
C.MrHennequin’srecipeforrevivalistobemoreopenabouthiscompany’soperations,tobe“locallyrelevant”,andtoimprovetheexperienceofvisitinghis6,400restaurants.McDonald’sisblamedformakingpeoplefat,exploitingworkers,treatinganimalscruelly,pollutingtheenvironmentandsimplyforbeingAmerican.MrHennequinsayshewantstoengageinadialoguewiththepublictoaddresstheseconcerns.
D.Heintroduced“opendoor”visitordaysineachcountrywhichbecamehugelypopular.InPolandalonesome50,000visitorscametoMcDonald’sthroughthevisitors’programmelastyear.TheNutritionInformationInitiative,launchedlastyear,putdetailedlabelsonMcDonald’spackagingwithdataoncalories,protein,fat,carbohydratesandsaltcontent.Thedetailsarealsoprintedontray-liners.
E.MrHennequinalsowantspeopletoknowthat“McJobs”,thelow-paidmenialjobsatMcDonald’srestaurants,aremuchbetterthanpeoplethink.Butsomeofhiseffortshavebackfired:lastyearhesparkedacontroversywiththeintroductionofa“McPassport”thatallowsMcDonald’semployeestoworkanywhereintheEuropeanUnion.PoliticiansaccusedthefirmofaploytomakecheaplabourfromeasternEuropemoreeasilyavailabletoMcDonald’smanagersacrossthecontinent.
F.Tostayintouchwithlocalneedsandpreferences,McDonald’semployslocalbossesasmuchaspossible.ARussianisrunningMcDonald’sinRussia,thoughaSerbisinchargeofGermany.Thegroupbuysmainlyfromlocalsuppliers.Four-fifthsofitssuppliesinFrancecomefromlocalfarmers,forexample.(SomeoftheFrenchfarmerswhocampaignedagainstthecompanyinthelate1990ssubsequentlydiscoveredthatitwas,infact,buyingtheirproduce.)AndithirescelebritiessuchasHeidiKlum,aGermanmodel,aslocalbrandambassadors.
G.InhispreviousjobMrHennequinestablisheda“designstudio”inFrancetospruceuphiscompany’sdrabrestaurantsandadapttheinteriortolocaltastes.ThestudioisnowmastermindingimprovementseverywhereinEurope.Healsosetupa“foodstudio”,wherecooksdevisenewrecipesinresponsetolocaltrends.
H.GivenFrance’sreputationasthemostanti-AmericancountryinEurope,itseemsoddthatMcDonald’srevivalinEuropeisbeingledbyaFrenchman,usingideascookedupintheFrenchmarket.ButFranceisinfactthecompany’smostprofitablemarketafterAmerica.ThemarketwhereMcDonald’sisweakestinEuropeisnotFrance,butBritain.
I.“FixingBritainshouldbehispriority,”saysDavidPalmer,arestaurantanalystatUBS.Almosttwo-thirdsofthe1,214McDonald’srestaurantsinBritainarecompany-owned,comparedwith40%inEuropeand15%inAmerica.Thecompanysuffersfromthevolatilityofsalesatitsownrestaurants,butcanrelyonsteadyincomefromfranchisees.Soitshouldsellasmanyunderperformingoutletsaspossible,saysMrPalmer.
J.M.MarkWiltamuth,ananalystatMorganStanley,estimatesthatEuropeancompany-ownedrestaurants’marginswillincreaseslightlyto16.4%in2007.Thisisstilllessthaninthelate1990sandbelowAmerica’s18-19%today.ButitismuchbetterthanbeforeMrHennequin’sreign.HeisalreadybeingtippedasthefirstEuropeancandidateforthegroup’stopjobinIllinois.NobodywouldcallthataMcJob.
NotestoReadingPassage1
1.sterling高質量的
e.g.Hehasmanysterlingqualities.他身上有許多優秀的品質。
2.menial不體面的,乏味的(工作、職業)
3.spruceup打扮整齊、漂亮、裝飾
4.mastermind指揮、謀劃(一個計劃或活動)
e.g.Thepoliceknowwhomastermindedtherobbery.警察知道是誰策劃了那次搶劫。
5.underperform表現不佳表現出低于標準的工作水平、企業出現虧本
Questions1-6
DothefollowingstatementsreflecttheclaimsofthewriterinReadingPassage1?
WriteyouranswerinBoxes1-6onyouranswersheet.
TRUEifthestatementreflectstheclaimsofthewriter
FALSEifthestatementcontradictstheclaimsofthewriter
NOTGIVENifitisimpossibletosaywhatthewriterthinksaboutthis
1.McDonaldwasshowingthesignofrecoveryinallEuropeancountriesexceptFranceafterDenisHennequintookofficeasthebossofEuro-markets.
2.Startingfromlastyear,detailedlabelsareputonMcDonald’spackaginganddetailedinformationisalsoprintedontray-liners.
3.Franceissaidtobethemostanti-AmericancountryinEurope,buttheideasofthe“opendoor”visitingdaysand“McPassport”areinventedintheFrenchmarket.
4.BritainpossessestheweakestMcDonaldmarketamongEuropeancountriesandapproximately1214McDonald’srestaurantsarecompany-owned.
5.AccordingtoDavidPalmer,arestaurantanalystatUBS,DavidHennequinshouldtreattheproblemaboutMcDonaldinBritainasthemostimportantthing.
6.DavidPalmersuggestedthatthemanagementofMcDonalodinItalyshouldsellasmanyitsoutletswhichlosemoneyinbusinessaspossibleforrevival.
Questions7-10
ChoosetheappropriatelettersA-Dandwritetheminboxes7-10onyouranswesheet.
7.Theword“sterling”inline3ofParagraphAmeans__________.
A.difficult
B.menial
C.terrible
D.excellent
8.WhichofthefollowingstatementsontheaccusationofMacDonaldisNOTTRUE?
A.Ittendstomakepeoplefat.
B.Itsoperationsareveryvague.
C.Ittendstoexploitworkers.
D.Ittendstotreatanimalscruelly.
9.WhichofthefollowingmeasurestakenbyDenisHennequinproducedundesiredresult?
A.“FoodStudio”scheme.
B.“OpenDoor”visitordays.
C.The“McPassport”scheme.
D.TheNutritionInformationInitiative.
10.WhatdidDenisHennequindosoastorespondtolocaltrends?
A.setupa“FoodStudio”.
B.establisheda“DesignStudio”.
C.hiredcelebritiesaslocalbrandambassadors.
D.employedlocalbossesasmuchaspossible.
Questions11-14
Completeeachofthefollowingstatements(Questions11-14)withwordsornumbertakenfromReadingPassage1.
WriteNOMORETHANTHREEWORDSforeachanswer.
Writeyouranswersinboxes11-14onyouranswersheet.
11.AfterJanuary2004,McDonaldwasmakingimprovementfollowingaperiodofslumpinAmericaandAustralia,butsalesinEuropewere………………………….
12.BusinessofMcDonaldinFranceandBritainwasparticularlygoodinDecembersincecustomerstookto……………………………..
13.Comparedwithothercountries,FranceisMcDonald’s……………………….nexttoAmerica.
14.…………………….ofMcDonald’srestaurantsinAmericaarecompanied–ownedandthefigureismuchlowerthanthatinBritain.
1.AEuropeanspacecrafttookofftodaytospearheadthesearchforanother"Earth"amongthestars.
2.TheCorotspacetelescopeblastedoffaboardaRussianSoyuzrocketfromtheBaikonurcosmodromeinKazakhstanshortlyafter2.20pm.
3.Corot,shortforconvectionrotationandplanetarytransits,isthefirstinstrumentcapableoffindingsmallrockyplanetsbeyondthesolarsystem.Anysuchplanetsituatedintherightorbitstandsagoodchanceofhavingliquidwateronitssurface,andquitepossiblylife,althoughaleadingscientistinvolvedintheprojectsaiditwasunlikelytofind"anylittlegreenmen".
4.DevelopedbytheFrenchspaceagency,CNES,andpartneredbytheEuropeanSpaceAgency(ESA),Austria,Belgium,Germany,BrazilandSpain,Corotwillmonitoraround120,000starswithits27cmtelescopefromapolarorbit514milesabovetheEarth.Overtwoandahalfyears,itwillfocusonfivetosixdifferentareasofthesky,measuringthebrightnessofabout10,000starsevery512seconds.
5."Atthepresentmomentwearehopingtofindoutmoreaboutthenatureofplanetsaroundstarswhicharepotentialhabitats.Wearelookingathabitableplanets,notinhabitedplanets.Wearenotgoingtofindanylittlegreenmen,"ProfessorIanRoxburgh,anESAscientistwhohasbeeninvolvedwithCorotsinceitsinception,toldtheBBCRadio4Todayprogramme.
6.ProfRoxburghsaiditwashopedCorotwouldfind"rockyplanetsthatcoulddevelopanatmosphereand,iftheyaretherightdistancefromtheirparentstar,theycouldhavewater".
7.Tosearchforplanets,thetelescopewilllookforthedimmingofstarlightcausedwhenanobjectpassesinfrontofastar,knownasa"transit".Althoughitwilltakemoresophisticatedspacetelescopesplannedinthenext10yearstoconfirmthepresenceofanEarth-likeplanetwithoxygenandliquidwater,Corotwillletscientistsknowwheretopointtheirlenses.
8.MeasurementsofminutechangesinbrightnesswillenablescientiststodetectgiantJupiter-likegasplanetsaswellassmallrockyones.Itistherockyplanets-thatcouldbenobiggerthanabouttwicethesizeoftheEarth-whichwillcausethemostexcitement.Scientistsexpecttofindbetween10and40ofthesesmallerplanets.
9.Corotwillalsoprobeintostellarinteriorsbystudyingtheacousticwavesthatrippleacrossthesurfaceofstars,atechniquecalled"asteroseismology".
10.Thenatureoftheripplesallowsastronomerstocalculateastar’sprecisemass,ageandchemicalcomposition.
11."Aplanetpassinginfrontofastarcanbedetectedbythefallinlightfromthatstar.Smalloscillationsofthestaralsoproducechangesinthelightemitted,whichrevealwhatthestarismadeofandhowtheyarestructuredinternally.Thisdatawillprovideamajorboosttoourunderstandingofhowstarsformandevolve,"ProfRoxburghsaid.
12.Sincethediscoveryin1995ofthefirst"exoplanet"-aplanetorbitingastarotherthantheSun-morethan200othershavebeenfoundbyground-basedobservatories.
13.Untilnowtheusualmethodoffindingexoplanetshasbeentodetectthe"wobble"theirgravityimpartsonparentstars.ButonlygiantgaseousplanetsbiggerthanJupitercanbefoundthisway,andtheyareunlikelytoharbourlife.
14.Inthe2010s,ESAplanstolaunchDarwin,afleetoffourorfiveinterlinkedspacetelescopesthatwillnotonlyspotsmallrockyplanets,butanalysetheiratmospheresforsignsofbiologicalactivity.
15.Ataroundthesametime,theUSspaceagency,Nasa,willlaunchTerrestrialPlanetFinder,anotherspacetelescopedesignedtolocateEarth-likeplanets.
ChoosetheappropriateletterfromA-Dforquestion1.
1.Corotisaninstrumentwhich
(A)canhelptosearchforcertainplanets
(B)isusedtofindplanetsintheorbit
(C)canlocateplanetswithhumanbeings
(D)canspotanyplanetswithwater.
Dothefollowingstatementsagreewiththeinformationgiveninthereadingpassage?Forquestions2-5write
TRUEifthestatementagreeswiththeinformation
FALSEifthestatementcontraictstheinformation
NOTGIVENifthereisnoinformationonthisinthepassage
2.Scientistsaretryingtofindoutabouttheplanetsthatcanbeinhabited.
3.BBCRadio4recentlyfocusesonthebroadcastingofCorot.
4.Passingobjectsmightcauseafallinlight.
5.CorotcantellwhetherthereisanotherEarth-likeplanet.
Basedonyourreadingofthepassage,completethesentencesbelowwithwordstakenfromthepassage.UseNOMORETHANTHREEWORDSforeachanswer.
Withmeasurements,scientistswillbeabletosearchforsomegaseousandrockyplanets.Theywillbeextremelyexcitediftheycandiscoversomesmall6.__________,theexpectednumberofwhichcouldbeupto7.__________.
Corotwillenablescientiststostudythe8.__________ofstars.Inthisway,astar’smass,ageandchemicalcompositioncanbecalculated.
AccordingtoProfRoxburgh,changesinlightcanbecausedbypassingplanetsorstar9.__________.Therelatedstatisticscangainusabetter10.__________ofthestarformationandevolvement.
Observatorieshavefoundmanyexoplanets,whichare11.__________otherstarsthantheSun.Thecommonwayusedinfindingexoplanetscanonlydetecthugegasplanets,whichdonot12.___________.
WiththelaunchingofDarwin,astronomerswillbeabletoanalysewhetherthoserockyplanetshave13.__________forlife.
Roguetheoryofsmellgetsaboost
1.Acontroversialtheoryofhowwesmell,whichclaimsthatourfinesenseofodourdependsonquantummechanics,hasbeengiventhethumbsupbyateamofphysicists.
2.CalculationsbyresearchersatUniversityCollegeLondon(UCL)showthattheideathatwesmellodourmoleculesbysensingtheirmolecularvibrationsmakessenseintermsofthephysicsinvolved.
3.That'sstillsomewayfromprovingthatthetheory,proposedinthemid-1990sbybiophysicistLucaTurin,iscorrect.Butitshouldmakeotherscientiststaketheideamoreseriously.
4."Thisisabigstepforward,"saysTurin,whohasnowsetuphisownperfumecompanyFlexitralinVirginia.Hesaysthatsincehepublishedhistheory,"ithasbeenignoredratherthancriticized."
5.Mostscientistshaveassumedthatoursenseofsmelldependsonreceptorsinthenosedetectingtheshapeofincomingmolecules,whichtriggersasignaltothebrain.Thismolecular'lockandkey'processisthoughttoliebehindawiderangeofthebody'sdetectionsystems:itishowsomepartsoftheimmunesystemrecogniseinvaders,forexample,andhowthetonguerecognizessometastes.
6.ButTurinarguedthatsmelldoesn'tseemtofitthispictureverywell.Moleculesthatlookalmostidenticalcansmellverydifferent—suchasalcohols,whichsmelllikespirits,andthiols,whichsmelllikerotteneggs.Andmoleculeswithverydifferentstructurescansmellsimilar.Moststrikingly,somemoleculescansmelldifferent—toanimals,ifnotnecessarilytohumans—simplybecausetheycontaindifferentisotopes(atomsthatarechemicallyidenticalbuthaveadifferentmass).
7.Turin'sexplanationforthesesmellyfactsinvokestheideathatthesmellsignalinolfactoryreceptorproteinsistriggerednotbyanodourmolecule'sshape,butbyitsvibrations,whichcanenourageanelectrontojumpbetweentwopartsofthereceptorinaquantum-mechanicalprocesscalledtunnelling.Thiselectronmovementcouldinitiatethesmellsignalbeingsenttothebrain.
8.Thiswouldexplainwhyisotopescansmelldifferent:theirvibrationfrequenciesarechangediftheatomsareheavier.Turin'smechanism,saysMarshallStonehamoftheUCLteam,ismorelikeswipe-cardidentificationthanakeyfittingalock.
9.Vibration-assistedelectrontunnellingcanundoubtedlyoccur—itisusedinanexperimentaltechniqueformeasuringmolecularvibrations."Thequestioniswhetherthisispossibleinthenose,"saysStoneham'scolleague,AndrewHorsfield.
10.StonehamsaysthatwhenhefirstheardaboutTurin'sidea,whileTurinwashimselfbasedatUCL,"Ididn'tbelieveit".But,headds,"becauseitwasaninterestingidea,IthoughtIshouldproveitcouldn'twork.Ididsomesimplecalculations,andonlythenbegantofeelLucacouldberight."NowStonehamandhisco-workershavedonethejobmorethoroughly,inapapersoontobepublishedinPhysicalReviewLetters.
11.TheUCLteamcalculatedtheratesofelectronhoppinginanosereceptorthathasanodorantmoleculeboundtoit.Thisratedependsonvariouspropertiesofthebiomolecularsystemthatarenotknown,buttheresearcherscouldestimatetheseparametersbasedontypicalvaluesformoleculesofthissort.
12.Thekeyissueiswhetherthehoppingratewiththeodorantinplaceissignificantlygreaterthanthatwithoutit.Thecalculationsshowthatitis—whichmeansthatodouridentificationinthiswayseemstheoreticallypossible.
13.ButHorsfieldstressesthatthat'sdifferentfromaproofofTurin'sidea."Sofarthingslookplausible,butweneedproperexperimentalverification.We'rebeginningtothinkaboutwhatexperimentscouldbeperformed."
14.Meanwhile,Turinispressingaheadwithhishypothesis."AtFlexitralwehavebeendesigningodorantsexclusivelyonthebasisoftheircomputedvibrations,"hesays."Oursuccessrateatodorantdiscoveryistwoordersofmagnitudebetterthanthecompetition."Attheveryleast,heisputtinghismoneywherehisnoseis.
Questions5-9
Completethesentencesbelowwithwordsfromthepassage.UseNOMORETHANTHREEWORDSforeachanswer.
5.Thehypothesisthatwesmellbysensingthemolecularvibrationwasmadeby______.
6.Turin'scompanyisbasedin______.
7.Mostscientistsbelievedthatournoseworksinthesamewayasour______.
8.Differentisotopescansmelldifferentwhen______weighdifferently.
9.AccordingtoAudrewHorsfield,itisstilltobeprovedthat______couldreallyoccurinhumannose.