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概念英语英语第四册课本教学材料整编

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新概念英语第四册课文smallnumberofindependentfoundationschools,becameavailabletothewholepopulation.Sincethenumberofgrammarschoolsinthecountrycouldaccommodateatmostapproximately25percentofthetotalchildpopulationofeleven-plus,somekindofselectionhadtobemade.Narrowlyacademicexaminationsandtestswerefelt,quiterightly,tobeheavilyweightedinfavourofchildrenwhohadhadtheadvantageofhighly-academicprimaryschoolsandacademicallybiasedhomes.Intelligencetestsweredevisedtocounteractthisnarrowspecialization,byintroducingproblemswhichwerenotbasedonspecificallyscholastically-acquiredknowledge.Theintelligencetestisanattempttoassessthegeneralabilityofanychildtothink,reason,judge,analyseandsynthesizebypresentinghimwithsituations,bothverbalandpractical,whicharewithinhisrangeofcompetenceandunderstanding.Lesson18Twofactorsweighheavilyagainsttheeffectivenessofscientificinindustry.Oneisthegeneralatmosphereofsecrecyinwhichitiscarriedout,theotherthelackoffreedomoftheindividualresearchworker.Insofarasanyinquiryisasecretone,itnaturallylimitsallthoseengagedincarryingitoutfromeffectivecontactwiththeirfellowscientistseitherinothercountriesorinuniversities,oreven,oftenenough,inotherdepartmentsofthesamefirm.Thedegreeofsecrecynaturallyvariesconsiderably.Someofthebiggerfirmsareengagedinresearcheswhichareofsuchgeneralandfundamentalnaturethatitisapositiveadvantagetothemnottokeepthemsecret.Yetagreatmanyprocessesdependingonsuchresearcharesoughtforwithcompletesecrecyuntilthestageat16新概念英语第四册课文whichpatentscanbetakenout.Evenmoreprocessesareneverpatentedatallbutkeptassecretprocesses.Thisappliesparticularlytochemicalindustries,wherechancediscoveriesplayamuchlargerpartthantheydoinphysicalandmechanicalindustries.Sometimesthesecrecygoestosuchanextentthatthewholenatureoftheresearchcannotbementioned.Manyfirms,forinstance,havegreatdifficultyinobtainingtechnicalorscientificbooksfromlibrariesbecausetheyareunwillingtohavetheirnamesenteredashavingtakenoutsuchandsuchabookforfeartheagentsofotherfirmsshouldbeabletotracethekindofresearchtheyarelikelytobeundertaking.Lesson19Agentlemanis,ratherthandoes.Heisinterestedinnothinginaprofessionalway.Heisallowedtocultivatehobbies,eveneccentricities,butmustnotpractiseavocation.Hemustknowhowtorideandshootandcastafly.Heshouldhaverelativesinthearmyandnavyandatleastoneconnectioninthediplomaticservice.ButthereareweaknessesintheEnglishgentleman'sabilitytoruleustoday.Heusuallyknowsnothingofpoliticaleconomyandlessabouthowforeigncountriesaregoverned.Hedoesnotrespectlearningandprefers'sport'.Theproblemsetforsocietyisnotthevirtuesofthetypesomuchasitsadequacyforitsfunction,andheregravedifficultiesarise.Herefusestoconsidersufficientlythewantsofthecustomer,whomustbuy,notthethinghedesiresbutthethingtheEnglishgentlemanwantstosell.Heattendsinadequatelytotechnologicaldevelopment.Disbelievinginthenecessityoflarge-scaleproductioninthemodernworld,heispassionatelydevotedtoexcessivesecrecy,bothinfinanceand17新概念英语第四册课文methodofproduction.Hehasanincurableandwidespreadnepotisminappointment,discountingabilityandrelyinguponamysticentitycalled'character,'whichmeans,inagentleman'smouth,thequalitieshetraditionallypossesseshimself.Hislackofimaginationandthenarrownessofhissocialloyaltieshaverangedagainsthimoneofthefundamentalestatesoftherealm.Heisincapableofthatimaginativerealismwhichadmitsthatthisisanewworldtowhichhemustadjusthimselfandhisinstitutions,thateveryprivilegeheformerlytookasofrighthecannowattainonlybyofferingproofthatitisdirectlyrelevanttosocialwelfare.Lesson20Intheorganizationofindustriallifetheinfluenceofthefactoryuponthephysiologicalandmentalstateoftheworkershasbeencompletelyneglected.Modernindustryisbasedontheconceptionofthemaximumproductionatlowestcost,inorderthatanindividualoragroupofindividualsmayearnasmuchmoneyaspossible.Ithasexpandedwithoutanyideaofthetruenatureofthehumanbeingswhorunthemachines,andwithoutgivinganyconsiderationtotheeffectsproducedontheindividualsandontheirdescendantsbytheartificialmodeofexistenceimposedbythefactory.Thegreatcitieshavebeenbuiltwithnoregardforus.Theshapeanddimensionsoftheskyscrapersdependentirelyonthenecessityofobtainingthemaximumincomepersquarefootofground,andofofferingtothetenantsofficesandapartmentsthatpleasethem.Thiscausedtheconstructionofgiganticbuildingswheretoolargemassesofhumanbeingsarecrowdedtogether.Civilizedmenlikesuchawayofliving.While18新概念英语第四册课文theyenjoythecomfortandbanalluxuryoftheirdwelling,theydonotrealizethattheyaredeprivedofthenecessitiesoflife.Themoderncityconsistsofmonstrousedificesandofdark,narrowstreetsfullofpetrolfumes,coaldust,andtoxicgases,tornbythenoiseofthetaxi-cabs,lorriesandbuses,andthrongedceaselesslybygreatcrowds.Obviously,ithasnobeenplannedforthegoodofitsinhabitants.Lesson21IntheearlydaysofthesettlementofAustralia,enterprisingsettlersunwiselyintroducedtheEuropeanrabbit.ThisrabbithadnonaturalenemiesintheAntipodes,sothatitmultipliedwiththatpromiscuousabandoncharacteristicofrabbits.Itoverranawholecontinent.Itcauseddevastationbyburrowingandbydevouringtheherbagewhichmighthavemaintainedmillionsofsheepandcattle.Scientistsdiscoveredthatthisparticularvarietyofrabbit(andapparentlynootheranimal)wassusceptibletoafatalvirusdisease,myxomatosis.Byinfectinganimalsandlettingthemlooseintheburrows,localepidemicsofthisdiseasecouldbecreated.Lateritwasfoundthattherewasatypeofmosquitowhichactedasthecarrierofthisdiseaseandpasseditontotherabbits.Sowhiletherestoftheworldwastryingtogetridofmosquitoes,Australiawasencouragingthisone.Iteffectivelyspreadthediseasealloverthecontinentanddrasticallyreducedtherabbitpopulation.Itlaterbecameapparentthatrabbitsweredevelopingadegreeofresistancetothisdisease,sothattherabbitpopulationwasunlikelytobecompletelyexterminated.Therewerehopes,however,thattheproblemoftherabbitwouldbecomemanageable.19新概念英语第四册课文Ironically,Europe,whichhadbequeathedtherabbitasapesttoAustraliaacquiredthisman-madediseaseasapestilence.AFrenchphysiciandecidedtogetridofthewildrabbitsonhisownestateandintroducedmyxomatosis.Itdidnot,however,remainwithintheconfinesofhisestate.ItspreadthroughFrancewherewildrabbitsarenotgenerallyregardedasapestbutasasportandausefulfoodsupply,anditspreadtoBritainwherewildrabbitsareregardedasapestbutwheredomesticatedrabbits,equallysusceptibletothedisease,arethebasisofaprofitablefurindustry.ThequestionbecameoneofwhetherMancouldcontrolthediseasehehadinvented.Lesson22Therehaslongbeenasuperstitionamongmarinersthatporpoiseswillsavedrowningmenbypushingthemtothesurface,orprotectthemfromsharksbysurroundingthemindefensiveformation.MarineStudiobiologistshavepointedoutthat,howeverintelligenttheymaybe,itisprobablyamistaketocreditdolphinswithanymotiveoflife-saving.Ontheoccasionswhentheyhavepushedtoshoreanunconscioushumanbeingtheyhavemuchmorelikelydoneitoutofcuriosityorforsport,asinridingthebowwavesofaship.In1928someporpoiseswerephotographedworkinglikebeaverstopushashoreawaterloggedmattress.If,ashasbeenreported,theyhaveprotectedhumansfromsharks,itmayhavebeenbecausecuriosityattractedthemandbecausethescentofapossiblemealattractedthesharks.Porpoisesandsharksarenaturalenemies.Itispossiblethatuponsuchanoccasionabattleensued,withthesharksbeingdrivenawayorkilled.20

概念英语英语第四册课本教学材料整编

新概念英语第四册课文smallnumberofindependentfoundationschools,becameavailabletothewholepopulation.Sincethenumberofgrammarschoolsinthecountrycouldaccommodateatmostapproximately25percentofthetotalchildpopulati
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