Almosteverynewinnovationgoesthroughthreephases。 Wheninitiallyintroducingintothemarket,theprocess1。 ofadoptionisslow。Theearlymodelsareexpensiveand hardtouse,andperhapsevenunsafe。Theeconomic impactisrelativelygreat。2。 Thesecondphaseistheexplosiveone,wheretheinnovation wasrapidlyadoptedbyalargenumberofpeople。Itgets3。 cheaperandeasiertouseandbecomessomethingfamiliar。 Andtheninthethirdstage,diffusionoftheinnovation slowsdownagain,asifitpermeatesoutacrosstheeconomy。4。 Duringtheexplosivephase,wholenewindustriesspring uptoproducethenewproductorinnovation,andtoservice it。Forexample,duringthe1920s,therewasdramatic5。 accelerationinautoproduction,from1。9millionin1920 to4。5millionin1929。Thisboomwasaccompaniedwithall6。 sortsofotheressentialactivitiesnecessaryforan auto-basednation:Roadshadtobeenbuiltforthecarsto7。 runon;refineriesandoilwells,toprovidethegasoline; andgarages,torepairit。8。 Historically,thesamepatternisrepeatedagainandagain withinnovations。Theconstructionoftheelectricalsystem requestedanenormousearlyinvestmentingenerationand9。 distributioncapacity。Theintroductionoftheradiowas followedbyabuyingspree(无节制的狂热行为)byAmericans whatquicklybroughtradiosintoalmosthalfofallhouseholds10。 by1930,upfromnearlynonein1924。 答案: 1。introducing改为introduced; 2。great改为small; 3。was改为is; 4。as后面的if去掉; 5。was后面加a; 6。with改为by; 7。been改为be; 8。it改为them; 9。requested改为required; 10。what改为that。 |
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