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PassageThree OneoftheindustrialgiantswhochangedAmericansocietywasHenryFordbornonafarminMichiganin1863andhegrewuptobringforthsomeofthemostrevolutionaryimprovementsinautomotivetechnologyintheearly20thcentury.Hisoutstandingmechanicalabilityledhimtobecomeinterestedinthenewautomobilesintheearly1900s.Thoughhedidnotinventtheautomobileheimproveduponeveryoneelse’sdesigns.Hewasapersonwhobelievedininexpensiveefficientproductionsoheestablishedstandardsforhisplantsandworkers.HealsostandardizedandproducedmanynewautopartsforhisFordMotorCompanycars.Thenhestudiedtheworkers’problemsandthousandsofautomobilesperyear.Infacthisplantshadproduced15millionModelTSby1927.Ford’spersonalitywasnotallthrift节俭efficiencyandinventivenesshowever.Hewasamanwhowascoldandwhocouldnotkeeppacewiththecompetitionduetohisownrigidity严格.Hiscompanysufferedbecauseofhisdesiretomaintaintheexistingstateinsteadofmeetingandbeatingthecompetitionbychanginghisproducts.Finallyhesawthathemustchangeorfailthereforeheintroducedanewtypeengineandonceagaintookovertheautomobilemarket.FordleftalegacyofmillionsofdollarsmillionsofjobsforAmericanworkersandmillionsofsatisfiedcustomers. Itcanbeinferredthat
PassageFive Anewkindofradarhasbeendevelopedforspaceshiptravelers.Aworkinglaboratorymodelofanewsystemofradarthatmakesuseofabeamoflightissaidtobetenthousandtimesmoreaccuratethanthebestcomparablesystemofradarthatusedmicrowaves. Themodelhasshownthatthisradarsystemknownaslaser-dopplerradarcanmeasurewithabsoluteprecisionspeedsvaryingfromspaceshiporbitalinjection进入velocities速度offivemilesperseconddowntovirtualstops--speedsoflessthanonetenthousandthofaninchpersecond.Accordingtothescientistswhoaredevelopingthissystemsuchfinemeasuresofvelocityareofprimeimportanceinspacemissions.Inarendezvous对接betweentwospaceshipsorinalandingapproachbyavehicleontoanorbitingspacestationabumpcouldripopenaship’sskinoranudgecouldknockthestationoutofitsorbit. Thelight-beamradarwhichoperatesatafrequencyoftrillions百万兆ofcyclespersecondcouldeasilydetectandmeasurethemovementofavehicleedginguptoasatellitespacestation.Acontrolsystemusingsopreciseasignalasthiswouldallowahugevehicletodockataspacestationaslightlyasafeather. Impliedbutnotstatedisthat
ArecentdevelopmentisthelocalareanetworkLAN.21itsnameimpliesitservesalocalarea-possiblyassmallasasingleroomtypicallyanarealikeanuniversitycampusorthepremisesofaparticularbusiness.Localareanetworksweredevelopedto22aneedspecifictomicrocomputersthesharingofexpensiveresources.Microcomputersarecheapbuthighcapacitydiscstoresfastand/orgoodqualityprintersetc.areexpensive.TheobjectoftheLANistoallow23microcomputerssharedaccesstotheseexpensiveresourcessincethemicrocomputersarecheapitisanecessaryfeatureofaLANthatthemethodofconnectiontothenetworkandthenetworkhardware24mustalsobecheap. Alocalareanetworklinksanumberofcomputersandanumberofserverswhichprovidecommunalfacilitiese.g.filestorage.Aserverusuallyincludesasmallmicroprocessorforcontrolpurposes.Thecomputersandserversareknownasstations.Therearetwomethodsof25incommonuseringsandbroadcastnetworks. IntheringmethodoftencalledaCambridgeRingallthestationsarelinkedinaring26includesonespecialstationthemonitorstation. Inbroadcastnetworksallthestationsare27toasinglelinearcableusuallycoaxcableandanytransmissionwillbereceivedbyallstations. 28technologyisusedlocalareanetworksareadevelopmentofthegreatestimportance.29asprogrammingissimplifiedbyanapproachthatthinksintermsofsmallproceduresorprogramseachdoingawell-definedjobthecomputersystemoftomorrowislikelytobe30lotsofsmallsystemseachdoingaspecificjoblinkedbyalocalareanetwork. 30
Whenwe______themuseumisnotdecided.
PassageThree OneoftheindustrialgiantswhochangedAmericansocietywasHenryFordbornonafarminMichiganin1863andhegrewuptobringforthsomeofthemostrevolutionaryimprovementsinautomotivetechnologyintheearly20thcentury.Hisoutstandingmechanicalabilityledhimtobecomeinterestedinthenewautomobilesintheearly1900s.Thoughhedidnotinventtheautomobileheimproveduponeveryoneelse’sdesigns.Hewasapersonwhobelievedininexpensiveefficientproductionsoheestablishedstandardsforhisplantsandworkers.HealsostandardizedandproducedmanynewautopartsforhisFordMotorCompanycars.Thenhestudiedtheworkers’problemsandthousandsofautomobilesperyear.Infacthisplantshadproduced15millionModelTSby1927.Ford’spersonalitywasnotallthrift节俭efficiencyandinventivenesshowever.Hewasamanwhowascoldandwhocouldnotkeeppacewiththecompetitionduetohisownrigidity严格.Hiscompanysufferedbecauseofhisdesiretomaintaintheexistingstateinsteadofmeetingandbeatingthecompetitionbychanginghisproducts.Finallyhesawthathemustchangeorfailthereforeheintroducedanewtypeengineandonceagaintookovertheautomobilemarket.FordleftalegacyofmillionsofdollarsmillionsofjobsforAmericanworkersandmillionsofsatisfiedcustomers. ItisHenryFord'sbeliefthat
PassageFour Bondhadwalkedforonlyafewminuteswhenitsuddenlyoccurredtohimthathewasbeingfollowed.Therewasnoevidenceforitexceptaslighttingling隐隐作痛ofthescalp头皮andanextraawarenessofthepeoplenearhimbuthehadfaithinhissixthsenseandheatoncestoppedinfrontoftheshopwindowhewaspassingandlookedcasuallybackalong46thStreet.Nothingbutalotofmiscellaneouspeoplemovingslowlyonthesidewalksmostlyonthesamesideashimselfthesidethatwasshelteredfromthesun.Therewasnosuddenmovementintoadoorwaynobodycasuallywipinghisfacewithahandkerchieftoavoidrecognitionnobodybendingdowntotieashoelace. BondexaminedtheSwisswatchesinhisshopwindowandthenturnedandsaunteredon.Afterafewyardshestoppedagain.Stillnothing.HewentonandturnedfightintotheAvenueoftheAmericansstoppinginthefirstdoorwaytheentrancetoawomen’sunderwearstorewhereamaninatansuitwithhisbacktohimwasexaminingtheblacklacepantsonaparticularlyrealisticdummy模型.Bondturnedandleantagainstapillarandgazedlazilybutwatchfullyoutintothestreet. Andthensomethinggrippedhispistolarmandavoicesnarled:"AllrightLimey.Takeiteasyunlessyouwantleadforlunch"andhefeltsomethingpressintohisbackjustabovethekidney. WhatwastherefamiliaraboutthatvoiceThelawThegunBondglanceddowntoseewhatwasholdinghisrightann.Itwasasteelhook.Wellifthemanhadonlyonearm!Likelighteningheturnedaroundbendingsidewaysandbringinghisleftfistroundinaflailingblowlowdown. Therewasasmackashisfistwascaughtintheotherman’slefthandandatthesametimeasthecontacttelegraphedtoBond’smindthattherecouldhavebeennoguntherecamethewell-rememberedlaughandthelazyvoicesaying:"NogoodJames.Theangleshavegotyou." Bondstraightenedhimselfslowlyandforamomenthecouldonlygazeintothegrinninghawk-lifefaceofFelixLeiterwithblankdisbeliefhisbuilt-uptensionslowlyrelaxing. "Soyouweredoingafronttailyoulousybastard"hefinallysaid. WhatisafronttailParA．7
ArecentdevelopmentisthelocalareanetworkLAN.21itsnameimpliesitservesalocalarea-possiblyassmallasasingleroomtypicallyanarealikeanuniversitycampusorthepremisesofaparticularbusiness.Localareanetworksweredevelopedto22aneedspecifictomicrocomputersthesharingofexpensiveresources.Microcomputersarecheapbuthighcapacitydiscstoresfastand/orgoodqualityprintersetc.areexpensive.TheobjectoftheLANistoallow23microcomputerssharedaccesstotheseexpensiveresourcessincethemicrocomputersarecheapitisanecessaryfeatureofaLANthatthemethodofconnectiontothenetworkandthenetworkhardware24mustalsobecheap. Alocalareanetworklinksanumberofcomputersandanumberofserverswhichprovidecommunalfacilitiese.g.filestorage.Aserverusuallyincludesasmallmicroprocessorforcontrolpurposes.Thecomputersandserversareknownasstations.Therearetwomethodsof25incommonuseringsandbroadcastnetworks. IntheringmethodoftencalledaCambridgeRingallthestationsarelinkedinaring26includesonespecialstationthemonitorstation. Inbroadcastnetworksallthestationsare27toasinglelinearcableusuallycoaxcableandanytransmissionwillbereceivedbyallstations. 28technologyisusedlocalareanetworksareadevelopmentofthegreatestimportance.29asprogrammingissimplifiedbyanapproachthatthinksintermsofsmallproceduresorprogramseachdoingawell-definedjobthecomputersystemoftomorrowislikelytobe30lotsofsmallsystemseachdoingaspecificjoblinkedbyalocalareanetwork. 28
PassageTwo HaveyoueverbeenstartledbyaloudnoiseorbysomeoneappearingsuddenlybehindyouondarknightorbyasnakeinthegrassDoyourememberthesuddentightfeelinginyourchestthewayyourheartstartedgopoundthewayyouseemedtobreathemorerapidlySuchreactionsoccurredbecauseyouwerefrightened.Yourbrainsentasignaltothespecialgland腺inyourbodycanedtheadrenal肾上的gland.Otherpartsofyourbodywereinvolvedtoobuttheadrenalglandhasaveryspecialfunction. Theadrenalglandislocatedontopofyourkidney.Sinceyouhavetwokidneys.Youalsohavetwoadrenalglands.Eachadrenalglandisdividedintotwoparts:acortex外皮andamedulla髓质.Thecortexformstheoutershell;themedullaformsthecentralcore.Boththecortexandthemedullasecrete分泌hormonesbuttheyhavedifferentfunctions. Thecortexproducesmorethanfortydifferentchemicalcompoundsandhormones.Allthesethingsareessentialtosustainlife.Themedullasecretesadrenalinalsocalledepinephrinethehormonethatprepares’thebodyforemergencies. Whenyouaresuddenlyfacedwithadangerousorstressfulsituationpartofyourbraininstantlysendsasignaltotheadrenalglandandallsortsofthingsbegintoyourbody.Themedullareleasesanextraamountofadrenalinintothebloodstream.Theadrenaliniscarriedrapidlythroughoutthebodystimulatingotherglandsandsystems. Inthispassagetheauthorismainlydiscussingthefunctionof
ArecentdevelopmentisthelocalareanetworkLAN.21itsnameimpliesitservesalocalarea-possiblyassmallasasingleroomtypicallyanarealikeanuniversitycampusorthepremisesofaparticularbusiness.Localareanetworksweredevelopedto22aneedspecifictomicrocomputersthesharingofexpensiveresources.Microcomputersarecheapbuthighcapacitydiscstoresfastand/orgoodqualityprintersetc.areexpensive.TheobjectoftheLANistoallow23microcomputerssharedaccesstotheseexpensiveresourcessincethemicrocomputersarecheapitisanecessaryfeatureofaLANthatthemethodofconnectiontothenetworkandthenetworkhardware24mustalsobecheap. Alocalareanetworklinksanumberofcomputersandanumberofserverswhichprovidecommunalfacilitiese.g.filestorage.Aserverusuallyincludesasmallmicroprocessorforcontrolpurposes.Thecomputersandserversareknownasstations.Therearetwomethodsof25incommonuseringsandbroadcastnetworks. IntheringmethodoftencalledaCambridgeRingallthestationsarelinkedinaring26includesonespecialstationthemonitorstation. Inbroadcastnetworksallthestationsare27toasinglelinearcableusuallycoaxcableandanytransmissionwillbereceivedbyallstations. 28technologyisusedlocalareanetworksareadevelopmentofthegreatestimportance.29asprogrammingissimplifiedbyanapproachthatthinksintermsofsmallproceduresorprogramseachdoingawell-definedjobthecomputersystemoftomorrowislikelytobe30lotsofsmallsystemseachdoingaspecificjoblinkedbyalocalareanetwork. 24
______hecomewhat______yousaytohim
A.I’llcallyouwhenit’sready. B.Niceandbrightnottoocold. C.Forgetit. D.Haveaseat. E.Whatareyougoingtodothisevening F.It’sempty. G.Canyoustayforsometea H.SeeyouonMonday. Tom:WhatwastheweatheryesterdayBill:____________
He______acoldlastweek.
A．cost B．hope C．lost D．mop
PassageTwo HaveyoueverbeenstartledbyaloudnoiseorbysomeoneappearingsuddenlybehindyouondarknightorbyasnakeinthegrassDoyourememberthesuddentightfeelinginyourchestthewayyourheartstartedgopoundthewayyouseemedtobreathemorerapidlySuchreactionsoccurredbecauseyouwerefrightened.Yourbrainsentasignaltothespecialgland腺inyourbodycanedtheadrenal肾上的gland.Otherpartsofyourbodywereinvolvedtoobuttheadrenalglandhasaveryspecialfunction. Theadrenalglandislocatedontopofyourkidney.Sinceyouhavetwokidneys.Youalsohavetwoadrenalglands.Eachadrenalglandisdividedintotwoparts:acortex外皮andamedulla髓质.Thecortexformstheoutershell;themedullaformsthecentralcore.Boththecortexandthemedullasecrete分泌hormonesbuttheyhavedifferentfunctions. Thecortexproducesmorethanfortydifferentchemicalcompoundsandhormones.Allthesethingsareessentialtosustainlife.Themedullasecretesadrenalinalsocalledepinephrinethehormonethatprepares’thebodyforemergencies. Whenyouaresuddenlyfacedwithadangerousorstressfulsituationpartofyourbraininstantlysendsasignaltotheadrenalglandandallsortsofthingsbegintoyourbody.Themedullareleasesanextraamountofadrenalinintothebloodstream.Theadrenaliniscarriedrapidlythroughoutthebodystimulatingotherglandsandsystems. Whatcouldbesaidabouttheadrenalin
ArecentdevelopmentisthelocalareanetworkLAN.21itsnameimpliesitservesalocalarea-possiblyassmallasasingleroomtypicallyanarealikeanuniversitycampusorthepremisesofaparticularbusiness.Localareanetworksweredevelopedto22aneedspecifictomicrocomputersthesharingofexpensiveresources.Microcomputersarecheapbuthighcapacitydiscstoresfastand/orgoodqualityprintersetc.areexpensive.TheobjectoftheLANistoallow23microcomputerssharedaccesstotheseexpensiveresourcessincethemicrocomputersarecheapitisanecessaryfeatureofaLANthatthemethodofconnectiontothenetworkandthenetworkhardware24mustalsobecheap. Alocalareanetworklinksanumberofcomputersandanumberofserverswhichprovidecommunalfacilitiese.g.filestorage.Aserverusuallyincludesasmallmicroprocessorforcontrolpurposes.Thecomputersandserversareknownasstations.Therearetwomethodsof25incommonuseringsandbroadcastnetworks. IntheringmethodoftencalledaCambridgeRingallthestationsarelinkedinaring26includesonespecialstationthemonitorstation. Inbroadcastnetworksallthestationsare27toasinglelinearcableusuallycoaxcableandanytransmissionwillbereceivedbyallstations. 28technologyisusedlocalareanetworksareadevelopmentofthegreatestimportance.29asprogrammingissimplifiedbyanapproachthatthinksintermsofsmallproceduresorprogramseachdoingawell-definedjobthecomputersystemoftomorrowislikelytobe30lotsofsmallsystemseachdoingaspecificjoblinkedbyalocalareanetwork. 26
I______myworkbythistimeyesterdayevening.
A.I’llcallyouwhenit’sready. B.Niceandbrightnottoocold. C.Forgetit. D.Haveaseat. E.Whatareyougoingtodothisevening F.It’sempty. G.Canyoustayforsometea H.SeeyouonMonday. Tom:HiKate.MindifIjoinyouKate:Notatall.____________
Somethingbadhashappened______thefamilylastnight.
A．drought B．thought C．ought D．fought
A.I’llcallyouwhenit’sready. B.Niceandbrightnottoocold. C.Forgetit. D.Haveaseat. E.Whatareyougoingtodothisevening F.It’sempty. G.Canyoustayforsometea H.SeeyouonMonday. Dave:HowlongwillittakeyoutofixmywatchMan:____________Butitshouldn’ttakelongerthanaweek.
ArecentdevelopmentisthelocalareanetworkLAN.21itsnameimpliesitservesalocalarea-possiblyassmallasasingleroomtypicallyanarealikeanuniversitycampusorthepremisesofaparticularbusiness.Localareanetworksweredevelopedto22aneedspecifictomicrocomputersthesharingofexpensiveresources.Microcomputersarecheapbuthighcapacitydiscstoresfastand/orgoodqualityprintersetc.areexpensive.TheobjectoftheLANistoallow23microcomputerssharedaccesstotheseexpensiveresourcessincethemicrocomputersarecheapitisanecessaryfeatureofaLANthatthemethodofconnectiontothenetworkandthenetworkhardware24mustalsobecheap. Alocalareanetworklinksanumberofcomputersandanumberofserverswhichprovidecommunalfacilitiese.g.filestorage.Aserverusuallyincludesasmallmicroprocessorforcontrolpurposes.Thecomputersandserversareknownasstations.Therearetwomethodsof25incommonuseringsandbroadcastnetworks. IntheringmethodoftencalledaCambridgeRingallthestationsarelinkedinaring26includesonespecialstationthemonitorstation. Inbroadcastnetworksallthestationsare27toasinglelinearcableusuallycoaxcableandanytransmissionwillbereceivedbyallstations. 28technologyisusedlocalareanetworksareadevelopmentofthegreatestimportance.29asprogrammingissimplifiedbyanapproachthatthinksintermsofsmallproceduresorprogramseachdoingawell-definedjobthecomputersystemoftomorrowislikelytobe30lotsofsmallsystemseachdoingaspecificjoblinkedbyalocalareanetwork. 22
PassageOne LookingbackonmychildhoodIamconvincedthatnaturalistsarehornandnotmade.Althoughwewerebroughtupinthesamewaymybrothersandsisterssoonabandonedtheirpressedflowersandinsects.UnlikethemIhadnoearformusicandlanguages.IwasnotanearlyreaderandIcouldnotdomentalarithmetic. BeforeWorldWarIwespentoursummerholidaysinHungary.Ihaveonlythedimmemoryofthehousewelivedinofmyroomandmytoys.NordoIrecallclearlythelargefamilyofgrandparentsauntsunclesandcousinswhogatherednextdoor.ButIdohaveacrystalclearmemoryofthedogsthefarmanimalsthelocalbirdsandabovealltheinsects. Iamanaturalistnotascientist.Ihaveastrongloveofthenaturalworldandmyenthusiasmhadledmeintovariedinvestigations.Ilovediscussingmyfavoritetopicsandenjoyburningthemidnightoilwhilereadingaboutotherpeople’sobservationsanddiscoveries.Thensomethinghappensthatbringstheseobservationstogetherinmyconsciousmind.Suddenlyyoufancyyouseetheanswertotheriddlebecauseitallseemstofittogether.Thishasresultedinmypublishing300papersandbookswhichsomemighthonourwiththetitleofscientificresearch. Butcuriosityakeeneyeagoodmemoryandenjoymentoftheanimalandplantworlddonotmakeascientist:onetheoutstandingandessentialqualitiesrequiredisse]f-disciplineaqualityIlack.Ascientistrequiresnotonlyself-disciplinebuthardtrainingdeterminationandagoal.Ascientistuptoapointcanbemade.Anaturalistisborn.Ifyoucancombinethetwoyougetthebestofbothworlds. Itcanheinferredfromthepassagethattheauthorwas
PassageFour Bondhadwalkedforonlyafewminuteswhenitsuddenlyoccurredtohimthathewasbeingfollowed.Therewasnoevidenceforitexceptaslighttingling隐隐作痛ofthescalp头皮andanextraawarenessofthepeoplenearhimbuthehadfaithinhissixthsenseandheatoncestoppedinfrontoftheshopwindowhewaspassingandlookedcasuallybackalong46thStreet.Nothingbutalotofmiscellaneouspeoplemovingslowlyonthesidewalksmostlyonthesamesideashimselfthesidethatwasshelteredfromthesun.Therewasnosuddenmovementintoadoorwaynobodycasuallywipinghisfacewithahandkerchieftoavoidrecognitionnobodybendingdowntotieashoelace. BondexaminedtheSwisswatchesinhisshopwindowandthenturnedandsaunteredon.Afterafewyardshestoppedagain.Stillnothing.HewentonandturnedfightintotheAvenueoftheAmericansstoppinginthefirstdoorwaytheentrancetoawomen’sunderwearstorewhereamaninatansuitwithhisbacktohimwasexaminingtheblacklacepantsonaparticularlyrealisticdummy模型.Bondturnedandleantagainstapillarandgazedlazilybutwatchfullyoutintothestreet. Andthensomethinggrippedhispistolarmandavoicesnarled:"AllrightLimey.Takeiteasyunlessyouwantleadforlunch"andhefeltsomethingpressintohisbackjustabovethekidney. WhatwastherefamiliaraboutthatvoiceThelawThegunBondglanceddowntoseewhatwasholdinghisrightann.Itwasasteelhook.Wellifthemanhadonlyonearm!Likelighteningheturnedaroundbendingsidewaysandbringinghisleftfistroundinaflailingblowlowdown. Therewasasmackashisfistwascaughtintheotherman’slefthandandatthesametimeasthecontacttelegraphedtoBond’smindthattherecouldhavebeennoguntherecamethewell-rememberedlaughandthelazyvoicesaying:"NogoodJames.Theangleshavegotyou." Bondstraightenedhimselfslowlyandforamomenthecouldonlygazeintothegrinninghawk-lifefaceofFelixLeiterwithblankdisbeliefhisbuilt-uptensionslowlyrelaxing. "Soyouweredoingafronttailyoulousybastard"hefinallysaid. WhydidBondstopinthedoorwaytotheunderwearshop
Somewarm-bloodedanimals______hibernate.
PassageFive Anewkindofradarhasbeendevelopedforspaceshiptravelers.Aworkinglaboratorymodelofanewsystemofradarthatmakesuseofabeamoflightissaidtobetenthousandtimesmoreaccuratethanthebestcomparablesystemofradarthatusedmicrowaves. Themodelhasshownthatthisradarsystemknownaslaser-dopplerradarcanmeasurewithabsoluteprecisionspeedsvaryingfromspaceshiporbitalinjection进入velocities速度offivemilesperseconddowntovirtualstops--speedsoflessthanonetenthousandthofaninchpersecond.Accordingtothescientistswhoaredevelopingthissystemsuchfinemeasuresofvelocityareofprimeimportanceinspacemissions.Inarendezvous对接betweentwospaceshipsorinalandingapproachbyavehicleontoanorbitingspacestationabumpcouldripopenaship’sskinoranudgecouldknockthestationoutofitsorbit. Thelight-beamradarwhichoperatesatafrequencyoftrillions百万兆ofcyclespersecondcouldeasilydetectandmeasurethemovementofavehicleedginguptoasatellitespacestation.Acontrolsystemusingsopreciseasignalasthiswouldallowahugevehicletodockataspacestationaslightlyasafeather. Laser-dopplerradar
A．meat B．leap C．ahead D．speak
PassageTwo HaveyoueverbeenstartledbyaloudnoiseorbysomeoneappearingsuddenlybehindyouondarknightorbyasnakeinthegrassDoyourememberthesuddentightfeelinginyourchestthewayyourheartstartedgopoundthewayyouseemedtobreathemorerapidlySuchreactionsoccurredbecauseyouwerefrightened.Yourbrainsentasignaltothespecialgland腺inyourbodycanedtheadrenal肾上的gland.Otherpartsofyourbodywereinvolvedtoobuttheadrenalglandhasaveryspecialfunction. Theadrenalglandislocatedontopofyourkidney.Sinceyouhavetwokidneys.Youalsohavetwoadrenalglands.Eachadrenalglandisdividedintotwoparts:acortex外皮andamedulla髓质.Thecortexformstheoutershell;themedullaformsthecentralcore.Boththecortexandthemedullasecrete分泌hormonesbuttheyhavedifferentfunctions. Thecortexproducesmorethanfortydifferentchemicalcompoundsandhormones.Allthesethingsareessentialtosustainlife.Themedullasecretesadrenalinalsocalledepinephrinethehormonethatprepares’thebodyforemergencies. Whenyouaresuddenlyfacedwithadangerousorstressfulsituationpartofyourbraininstantlysendsasignaltotheadrenalglandandallsortsofthingsbegintoyourbody.Themedullareleasesanextraamountofadrenalinintothebloodstream.Theadrenaliniscarriedrapidlythroughoutthebodystimulatingotherglandsandsystems. Whatdoyousupposetheauthorwillgoontodiscussinthefollowingparagraphs
He______anexpensivegiftonhisbirthdaybuthedidn't______it.
PassageOne LookingbackonmychildhoodIamconvincedthatnaturalistsarehornandnotmade.Althoughwewerebroughtupinthesamewaymybrothersandsisterssoonabandonedtheirpressedflowersandinsects.UnlikethemIhadnoearformusicandlanguages.IwasnotanearlyreaderandIcouldnotdomentalarithmetic. BeforeWorldWarIwespentoursummerholidaysinHungary.Ihaveonlythedimmemoryofthehousewelivedinofmyroomandmytoys.NordoIrecallclearlythelargefamilyofgrandparentsauntsunclesandcousinswhogatherednextdoor.ButIdohaveacrystalclearmemoryofthedogsthefarmanimalsthelocalbirdsandabovealltheinsects. Iamanaturalistnotascientist.Ihaveastrongloveofthenaturalworldandmyenthusiasmhadledmeintovariedinvestigations.Ilovediscussingmyfavoritetopicsandenjoyburningthemidnightoilwhilereadingaboutotherpeople’sobservationsanddiscoveries.Thensomethinghappensthatbringstheseobservationstogetherinmyconsciousmind.Suddenlyyoufancyyouseetheanswertotheriddlebecauseitallseemstofittogether.Thishasresultedinmypublishing300papersandbookswhichsomemighthonourwiththetitleofscientificresearch. Butcuriosityakeeneyeagoodmemoryandenjoymentoftheanimalandplantworlddonotmakeascientist:onetheoutstandingandessentialqualitiesrequiredisse]f-disciplineaqualityIlack.Ascientistrequiresnotonlyself-disciplinebuthardtrainingdeterminationandagoal.Ascientistuptoapointcanbemade.Anaturalistisborn.Ifyoucancombinethetwoyougetthebestofbothworlds. Theauthorsaysthatheisanaturalistratherthanascientistprobablybecausehethinkshe
PassageFour Bondhadwalkedforonlyafewminuteswhenitsuddenlyoccurredtohimthathewasbeingfollowed.Therewasnoevidenceforitexceptaslighttingling隐隐作痛ofthescalp头皮andanextraawarenessofthepeoplenearhimbuthehadfaithinhissixthsenseandheatoncestoppedinfrontoftheshopwindowhewaspassingandlookedcasuallybackalong46thStreet.Nothingbutalotofmiscellaneouspeoplemovingslowlyonthesidewalksmostlyonthesamesideashimselfthesidethatwasshelteredfromthesun.Therewasnosuddenmovementintoadoorwaynobodycasuallywipinghisfacewithahandkerchieftoavoidrecognitionnobodybendingdowntotieashoelace. BondexaminedtheSwisswatchesinhisshopwindowandthenturnedandsaunteredon.Afterafewyardshestoppedagain.Stillnothing.HewentonandturnedfightintotheAvenueoftheAmericansstoppinginthefirstdoorwaytheentrancetoawomen’sunderwearstorewhereamaninatansuitwithhisbacktohimwasexaminingtheblacklacepantsonaparticularlyrealisticdummy模型.Bondturnedandleantagainstapillarandgazedlazilybutwatchfullyoutintothestreet. Andthensomethinggrippedhispistolarmandavoicesnarled:"AllrightLimey.Takeiteasyunlessyouwantleadforlunch"andhefeltsomethingpressintohisbackjustabovethekidney. WhatwastherefamiliaraboutthatvoiceThelawThegunBondglanceddowntoseewhatwasholdinghisrightann.Itwasasteelhook.Wellifthemanhadonlyonearm!Likelighteningheturnedaroundbendingsidewaysandbringinghisleftfistroundinaflailingblowlowdown. Therewasasmackashisfistwascaughtintheotherman’slefthandandatthesametimeasthecontacttelegraphedtoBond’smindthattherecouldhavebeennoguntherecamethewell-rememberedlaughandthelazyvoicesaying:"NogoodJames.Theangleshavegotyou." Bondstraightenedhimselfslowlyandforamomenthecouldonlygazeintothegrinninghawk-lifefaceofFelixLeiterwithblankdisbeliefhisbuilt-uptensionslowlyrelaxing. "Soyouweredoingafronttailyoulousybastard"hefinallysaid. WhenBondstoppedandlookedbackalong46thstreetheobservedallthefollowingexcept
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